To balance the given equation, the balanced equation is 5[tex]N_2[/tex] + 3[tex]O_2[/tex] → 10[tex]NO_2[/tex]. If 5 moles of [tex]N_2[/tex] reacted, 10 moles of [tex]NO_2[/tex] will be produced. There will be 3 moles of [tex]O_2[/tex] left and 0 moles of [tex]N_2[/tex] left.
To balance the given equation, let's start with nitrogen (N) atoms. There are 2 N atoms on the left side and 2 N atoms on the right side, making it balanced.
Next, let's balance the oxygen (O) atoms. There are 4 O atoms on the left side and 6 O atoms on the right side. To balance it, we need to multiply the [tex]O_2[/tex] on the left side by 3. The balanced equation is:
5[tex]N_2[/tex] + 3[tex]O_2[/tex] → 10[tex]NO_2[/tex]
Now, let's calculate the mole ratio using the coefficients in the balanced equation:
For every 5 moles of [tex]N_2[/tex], we have 10 moles of [tex]NO_2[/tex] produced.
Therefore, if 5 moles of [tex]N_2[/tex] reacted, we will have 10 moles of [tex]NO_2[/tex] produced.
To determine the moles of [tex]O_2[/tex] left, we compare the coefficients of [tex]O_2[/tex] and [tex]NO_2[/tex]. For every 3 moles of [tex]O_2[/tex] consumed, we have 10 moles of [tex]NO_2[/tex] produced. Since only 12 moles of [tex]O_2[/tex] were initially available, 9 moles of [tex]O_2[/tex] will be consumed, leaving 3 moles of [tex]O_2[/tex].
Similarly, to determine the moles of [tex]N_2[/tex] left, we compare the coefficients of [tex]N_2[/tex] and [tex]NO_2[/tex]. For every 5 moles of [tex]N_2[/tex] consumed, we have 10 moles of [tex]NO_2[/tex] produced. Since only 5 moles of [tex]N_2[/tex] were initially available, all of it will be consumed, leaving 0 moles of [tex]N_2[/tex].
(3x^4)^4 I need the steps to
Answer:
81 x ^16
Explanation:
PEMDAS
You need to do parenthesis
What is the [H3O+] in a solution of pH 0.60?
Answer:
.25
Explanation:
H+=10^-pH
- Hope that helps! Please let me know if you need further explanation.
Answer:
What is the [H3O+] in a solution of pH 0.60?
Explanation:
No cap
Please show all your work! :)
Answer:
A
Explanation:
First, we're given that the atmospheric pressure is 744.8 mmHg. However, this includes the pressure of the Zinc and the pressure of the water; we only want the pressure of the water, so subtract its pressures (23.8 mmHg) from 744.8 mmHg: 744.8 - 23.8 = 721 mmHg.
Now, we can use the ideal gas law: PV = nRT.
- the pressure P is 721 mmHg
- the volume V is 7.80 L
- the moles n of Zinc is what we want to find in order to calculate the mass
- the gas constant R is 62.36 L mmHg / (mol K)
- the temperature T is 25.0°C, or 25.0 + 273 = 298 K
Plug all these in:
PV = nRT
(721 mmHg) * (7.80 L) = n * (62.36) * (298 K)
n ≈ 0.303 mol Zn
We need to convert this to grams, so use the molar mass of Zinc, which is 65.38 g/mol:
[tex]0.303molZn*\frac{65.38g}{1mol} =19.8gZn[/tex]
Thus, the answer is A.
The answer to this problem is A!
A diver has a lung capacity of 2.4 L when the pressure is 0.8 atm. What is the volume of the diver’s lungs when the pressure changes to 1.2 atm?
a) 1.60 L
b) 2.50 L
c) 3.60 L
d) 1.40 L
Answer:
The final volume is 1.6 L.
Explanation:
It is given that,
A diver has a lung capacity of 2.4 L when the pressure is 0.8 atm. We need to find the volume of the diver’s lungs when the pressure changes to 1.2 atm. Let V₂ is volume.
It is based on Boyle's law. According to this law,
[tex]PV=K[/tex]
K is constant
[tex]P_1V_1=P_2V_2[/tex]
[tex]V_2=\dfrac{P_1V_1}{P_2}\\\\V_2=\dfrac{0.8\times 2.4}{1.2}\\\\V_2=1.6\ L[/tex]
So, the final volume is 1.6 L.
He volume of N2 gas is 500 mL at the temperature of 10 ℃ at 108 kPa. What will be the new pressure if the volume increased to 750 mL and the temperature increased at 21 ℃? Please quickly help!!!!!
Answer:
The new pressure will be 74.8 kPa
Explanation:
Step 1: Data given
Volume of the N2 gas = 500 mL = 0.500 L
Temperature = 10.0 °C = 283 K
Pressure = 108 kPa
The volume is increased to 750 mL = 0.750 L
The temperature is increased to 21.0 °C = 294 K
Step 2: Calculate the new pressure
P1*V1 / T1 = P2*V2 / T2
⇒with P1 = the initial pressure = 108 kPa
⇒with V1 = the initial volume = 0.500 L
⇒with T1 = the initial temperature = 283 K
⇒with P2 = the new pressure = TO BE DETERMINED
⇒with V2 = the increased volume = 0.750 L
⇒ with T2 = the increased temperature = 294 K
108 * 0.500 / 283 = P2 * 0.750 / 294
P2 = (108*0.500 * 294) / (283*0.750)
P2 = 74.8 kPa
The new pressure will be 74.8 kPa
Which of the following statements is true?
Comet tails always point towards the sun.
Ateroids are made of frozen gas, ice, and water.
Most asteroids are found between Mars and Jupiter.
A light-year is equal to one million miles.
Answer:
your answer is A
Explanation:
8. Which is a nonrenewable resource?
7 points
coal
water
soil
wood
ANSWER PLEASE:)
Answer:
Coal
Explanation:
Once it's all been mined, there's no more. It's not like we grow it.
If distance increases does potential energy increase or decrease?
Answer:
Therefore having the bodies closer together increases the potential energy stored, and conversely increasing their distance reduces the potential energy. In this case the potential energy is always positive, again dropping to zero as the force decreases to zero with the bodies very far apart.
Explanation:
what is the organization that regulates the safety of Bluetooth and other wireless devices
Answer:
The U.S. Federal Communications Commission (FCC)
Explanation:
The FCC's Wireless Telecommunications Bureau regulates the safety and policies of Bluetooth and other wireless devices, while the FDA's Center for Devices and Radiological Health oversees the safety of radiation-emitting products, including Bluetooth-enabled devices.
The organization primarily responsible for the regulation of Bluetooth and other wireless devices in the United States is the Federal Communications Commission (FCC), specifically through its Wireless Telecommunications Bureau (WTB). The WTB handles all FCC wireless telecommunications programs and policies, which includes a variety of services such as amateur radio, cellular networks, pagers, Personal Communications Service (PCS), and more. They work to manage and license the radio frequencies and provide policies to ensure the safety and reliability of wireless communication services.
On the other hand, for devices that emit radiation, including Bluetooth-enabled devices, the Center for Devices and Radiological Health (CDRH), a division of the Food and Drug Administration (FDA), oversees the performance and safety of these products. This includes a broad range of items from medical devices to non-medical radiation-emitting products, ensuring that both medical and consumer devices adhere to safety standards.
In your body, carbon dioxide, CO2, dissolves in the blood to form carbonic acid, H2CO3 as follows:
CO2(g) + H2O(l) ⇆ H2CO3(aq)
After heavy exercise, your body builds up carbonic acid, which can become toxic in high enough concentrations. This can lead to panting like a runner after a race which helps you to more quickly breathe out carbon dioxide and reduce its concentration.
1) What is the effect on the reaction balance of panting?
2)What will be the effect on the concentration of carbonic acid – explain your reasoning
3)If you hike to the top, would the low pressure at high altitude help reduce or increase the carbonic acid concentration? – Explain your answer.
4)Some carbon dioxide dissolves in your blood directly as CO2(aq). What is the effect of the lower pressure at a mountain top on the ability to directly dissolve CO2(g)?
Panting after exercise reduces carbon dioxide levels in the blood, decreasing carbonic acid and helping restore pH balance. At higher altitudes, lower pressure reduces blood's capacity to hold CO₂, potentially leading to decreased carbonic acid concentration but also complicating the body's regulatory mechanisms. Direct dissolution of CO₂ in the blood is also affected by lower pressure.
Effects of Panting and Altitude on Carbonic Acid Concentration:
Panting after heavy exercise increases the expulsion of carbon dioxide, which in turn decreases the concentration of carbonic acid in the blood. This process reestablishes the pH balance, reducing the risk of acidosis caused by the buildup of lactic acid and carbonic acid during strenuous activity. Furthermore, hiking to a higher altitude, where the pressure is lower, would reduce the ability of blood to hold carbon dioxide. This reduction leads to faster removal of carbon dioxide from the blood, which would tend to decrease carbonic acid concentration. However, due to reduced oxygen availability and potential respiratory adjustments such as hyperventilation, the effect on blood pH can be complex at high altitudes.
Lower pressure at high altitudes also affects the direct dissolution of carbon dioxide (CO₂) in blood. At lower pressures, less CO₂ can be dissolved directly, which might necessitate increased respiratory rates to compensate for the reduced ability to carry carbon dioxide away from tissues. Overall, both mechanisms work to ensure the body can maintain a stable internal environment, particularly during varying physical demands and environmental conditions.
What is a way that we can slow down climate change?
A. Use alternative energy sources such as coal, which produce less carbon dioxide than fossil fuels.
B. Fly less often as planes make as much greenhouse gas as 3 months of driving would.
C. Cut down trees on our property which produce carbon dioxide.
D. Reduce visiting the beach, the heavy foot traffic releases carbon dioxide stored in the sand.
Answer:
I would guess B, because trees make oxygen, not carbon dioxcide, and coal is actually a very harmful source of energy.
hope this helps
Explanation:
Final answer:
To slow climate change, it is crucial to reduce energy use, switch to alternative energy sources like solar and wind, and enhance carbon sinks by planting forests.
Explanation:
To slow down climate change, we should focus on several key actions. First, we need to reduce energy use, which could include measures like turning off lights when not in use and driving more fuel-efficient cars. These steps help because much of the electricity and transportation relies on burning fossil fuels, which releases large amounts of carbon dioxide.
Another important action is to switch to cleaner alternative energy sources, such as solar, wind, and geothermal energy. These sources produce little to no carbon emissions compared to fossil fuels like coal, oil, and natural gas. Additionally, increasing the use of technologies like hybrid cars can drastically reduce air pollution and fossil fuel consumption. Moreover, we can combat climate change by enhancing carbon sinks, such as planting more forests which absorb carbon dioxide from the atmosphere.
PLEASE HELP
The chemical formula for a compound tells what?
A. How electrons are arranged
B. how stable the compound is
C. what elements it contains
D. what type of chemical bond it forms
Answer:
All objectives are correct but C is most suitable
Explanation:
All objectives A, B, and D can be shown in bonding arrangement which is not the case for C.
For example, complex compounds like
Sodium aluminate NaAl(OH)
A student prepares 150.0 mL of 1.40 M HCl using 35.0 mL of a stock solution. What is the concentration of the stock solution? Use M subscript i V subscript i equals M subscript f V subscript f..
Answer:6.0M
Explanation:see attached photo
The concentration of the stock HCl solution used to prepare 150.0 mL of 1.40 M HCl from 35.0 mL of the stock solution is 6.00 M.
To find the concentration of the stock solution of HCl used to prepare a diluted solution, we can use the dilution equation MiVi = MfVf, where Mi and Vi are the concentration and volume of the initial stock solution, and Mf and Vf are the concentration and volume of the final diluted solution.
In this case, the student has prepared 150.0 mL of 1.40 M HCl by diluting 35.0 mL of a stock solution. To find the concentration of the stock solution (Mi), we rearrange the equation to solve for Mi:
Mi = (MfVf) / Vi
Substituting the given values:
Mi = (1.40 M × 150.0 mL) / 35.0 mL
Mi = (210.0 × mL) / 35.0 mL
Mi = 6.00 M
Therefore, the concentration of the stock HCl solution is 6.00 M.
Choose the phrases that you think of when you hear the word Sun. Check all that apply.
center of the solar system
hot
sunburn
solar energy
star
source of energy for life
solar radiation
Answer:
The answer is all of the above
A) Center of the solar system
B) hot
C) sunburn
D) solar energy
E) star
F) source of energy for life
G) solar radiation
The study of stars and planets is called cosmology.
The correct answer is all of them.
Sun is the celestial body that gives us the energy to make all the things on the earth.
All the option is justified as follows:-
Sun is the center of the solar system and all planets revolve around it.Sun is very hot its surface temperature is 15000CSun can cause sunburnThe energy which is produced by the sun is called solar energy.Sun itself a starThe source of energy on earth is the sun because it is used by plants.Sun emits solar radiation.Hence, the correct option is all of them.
For more information, refer to the link:-
https://brainly.com/question/19200238
what is the chemical equation in words for 2 C2H2 (g) + 5 O2 (g) ---------> 4 CO2 (g) + 2 H2O (l )
Answer:
Ethyn(g) + 5oxygen(g) ------------> 4carbondioxide(g) + 2water(l)
What is a disadvantage of using solar energy to produce electricity
Answer:
Sun
Explanation:
It Might be raining meaning that the sun isn't shining very brightly.
Answer:
The solar energy might cost a lot in order to install it. As well, there is no solar power at night so you won't have the electricity you need. So like in winter in some place there is no Sun, more specifically the light from the Sun, it is sometimes cloudy all day and there is no light coming from the Sun, so like I said you won't have electricity.
Explanation:
I hope my explanation was understandable :/
(PLS HELP I HAVE 5 MINS TO TURN IN)
The parts that are either directly or indirectly related to each other in a system are known as what?
A)the input
B)the components
C)the boundary
D)the flow
Answer:
im guessing D
Explanation:
hope it helps
somebody who know this science humor pleaseeee
If you only have 50% of something, which element
must you have? (Remember, this is science
HUMOR!!! Yesterday's answer was Argon - because
if there are no bananas left it means they "are
gone"- get it?!)
Answer:
Hafnium
Explanation:
I'm guessing based on the sound of the name, because hafnium kind of sounds like the word half, or 50%. Hope this helps!
Answer:
Hafnium
Explanation:
7. What type of water pollution is produced from chemicals used to kill bugs and
weeds?
Answer:
Groundwater pollution
Explanation:
Pesticides, when sprayed on crop plants, are able to flow below the surface of the ground, reaching water-bearing aquifers, thereby contaminating groundwater, making it unsuitable for both human and agricultural uses.
Final answer:
The type of water pollution produced from chemicals used to kill bugs and weeds is due to pesticides, including insecticides and herbicides, which contaminate water bodies through runoff and leaching into groundwater.
Explanation:
The type of water pollution produced from chemicals used to kill bugs and weeds is primarily due to pesticides, which include insecticides, herbicides, and fungicides. These chemicals often run off during rainfall into nearby rivers, lakes, and infiltrate into groundwater, creating a significant environmental concern. Contaminated water can cause an overgrowth of water plants and algae, which in turn, results in dead zones. Moreover, if humans consume water contaminated with these substances, they can fall ill from a variety of health issues, including cancer, damage to the central nervous system, and developmental defects. Therefore, the chemicals from pesticides and herbicides used in agricultural and garden applications significantly contribute to water pollution.
The Great Pacific Garbage Patch is best described as _______. a. a floating island of garbage in the Pacific ocean the size of Texas b. a garbage patch formed of clusters of plastic debris c. a patch of densely polluted water the size of Texas in the Pacific ocean d. the result of oceangoing ship pollution Please select the best answer from the choices provided
Answer:
C. a patch of Densely polluted water the size of Texas in the Pacific ocean
Explanation:
All of the Answers are Correct but this describes the Size, location, and the harshness of it.
Answer:
c
Explanation:
Stronger acids are those that —
F. hold on to their protons more strongly
G. lose their protons more easily
H. more completely inhibit polarity in water
J. exhibit hydrogen bonding
why do you say that is the right answer
Answer:
because it is
Explanation:
Answer:
it is
Explanation:
it just is wym
If there was a high pressure system in your area and a bunch of clouds were blown in from a different direction, how would the pressure system in your area change? Would it change or stay the same
The pressure system in the area would likely change due to the introduction of clouds from a different direction.
Clear skies in a high-pressure system occur because descending air inhibits cloud formation; cloud movement suggests a different air mass.
Arrival of a cloudy air mass can disrupt the existing high-pressure system by weakening it.
The high-pressure system might shift position, moving away or being displaced by the incoming low-pressure system.
Persistence of the high-pressure system depends on its strength and reinforcement by other atmospheric conditions; clouds may be temporary.
Interaction between high and low pressure can form a frontal boundary, triggering weather changes like precipitation.
Cloud introduction from another direction indicates a weather pattern change, affecting the area's pressure system.
Outcome varies based on the strengths and characteristics of both pressure systems and the associated air masses.
Which of the following is NOT involved in recording climate data?
A. Investigating air bubbles trapped in ice cores.
B. Analyzing species of pollen.
C. Identifying phosphorus levels in fossils.
D. Studying tree rings.
The method not involved in recording climate data is identifying phosphorus levels in fossils. Climate scientists commonly use ice cores, pollen analysis, and dendrochronology to understand past climate conditions.
So, the correct answer is C. Identifying phosphorus levels in fossils.
Explanation:The option that is NOT involved in recording climate data is indentifying phosphorus levels in fossils. Phosphorus levels in fossils are typically not used to record historical climate data. Instead, they may be more relevant in studies of biogeochemical cycles or ancient ecosystems.
Climate scientists use various methods to reconstruct past climates, known as proxy data. Some of the common proxies include:
Investigating air bubbles trapped in ice cores to analyze atmospheric composition and temperature from the past.Analyzing species of pollen to infer the types of vegetation and therefore the climate of the time.Studying tree rings, also known as dendrochronology, which can indicate the age of a tree and provide information about historical weather patterns and climate conditions.Each of these methods contributes to the understanding of Earth's climate history and changes over time.
So, the correct answer is C. Identifying phosphorus levels in fossils.
Final answer:
Identifying phosphorus levels in fossils is NOT involved in recording climate data. Tree rings, ice cores, and pollen analysis are used to study past climates. Phosphorus levels give geochemical information not directly related to climate.
Explanation:
Of the options provided, the one that is NOT involved in recording climate data is C. Identifying phosphorus levels in fossils. The other options, like investigating air bubbles trapped in ice cores, analyzing species of pollen, and studying tree rings, are all common proxy methods used by scientists to reconstruct past climates. Phosphorus levels in fossils generally provide information related to the geochemistry of the environments where the organisms lived, rather than direct climate data.
Both tree rings and ice cores are essential proxies in paleoclimatology. Tree rings provide annual records that can be used to infer temperature and precipitation patterns, while ice cores can reveal atmospheric composition and temperature data over longer time periods. Pollen analysis helps in reconstructing past vegetation and therefore, the climate that supported such vegetation.
How many grams of HF are needed to react with 3.0 moles of Sn? *
How many moles of SnF₂ will be produced along with 48 grams of H₂? *
Sn + 2HF (arrow) SnF2 + H2
30g
60g
120g
240g
Answer:
60 g
Explanation:
Describe and explain the stages of making copper chloride crystals and acid.
Answer:
Add excess copper carbonate to hydrochloric acid in a beaker, stirring until there is no further reaction. Filter the mixture to remove the remaining copper carbonate, then heat the remaining solution to the point of crystallisation. Leave the solution to cool and collect the crystals formed by filtration.
Explanation:
Answer:
CHICKEN
Explanation:
EGG
LEG
PIC
In Hawaii, the mongoose was brought to the islands to control the snake population. It thrived, and now the mongoose population is rampant. Which threat to biodiversity describes this situation?
Answer:
Introduced species (invasive species)
how many grams of acetylene are produced by adding 3 moles of cac2
Answer:
78.12g of acetylene
Explanation:
Acetylene and calcium hydroxide are produced when H₂O reacts with CaC₂. The reaction is:
2 H₂O + CaC₂ → C₂H₂ + Ca(OH)₂
Where 1 mole of C₂H₂ (acetylene) is produced per mole of CaC₂
Thus, the addition of 3 moles of CaC₂ produces 3 moles of acetylene.
As molecular mass of acetylene is 26.04g/mol, grams of acetylene produced are:
3mol C₂H₂ × (26.04g / mol) = 78.12g of acetylene
Final answer:
By adding 3 moles of calcium carbide, you will produce 78.12 grams of acetylene, as the reaction yields a 1:1 mole ratio and acetylene has a molar mass of 26.04 g/mol.
Explanation:
To answer the question of how many grams of acetylene are produced by adding 3 moles of calcium carbide (CaC₂), we will refer to the chemical reaction:
CaC₂ (s) + 2 H₂O(l) → C₂H₂(g) + Ca(OH)₂ (s).
According to the balanced chemical equation, 1 mole of calcium carbide reacts with water to produce 1 mole of acetylene. Therefore, if you start with 3 moles of calcium carbide, you will produce 3 moles of acetylene. The molar mass of acetylene (C₂H₂) is approximately 26.04 g/mol. Consequently, to find the mass of 3 moles of acetylene we calculate:
3 moles C₂H₂ × 26.04 g/mol = 78.12 grams of acetylene.
So, by adding 3 moles of calcium carbide, you will produce 78.12 grams of acetylene.
How many grams are 1.20x10^24 atoms of potassium.
Answer:
77.9
Explanation:
1) What does a steep gradient and a shallow gradient mean on a graph of time (x-axis) and volume of gas produced mean?
Answer:
precise meaning in mathematics than the way it is often used in science. ... gradient at any point along the line is the same. For a curve ... Many graphs have 'time' as the variable on the horizontal axis, and indeed the language that ... represents the relationship between the volume of a fixed mass of gas and its temperature.
Explanation: