The most unusual characteristic of Uranus is _____.

its green color
the icy cold temperature
the axis tilted at 98°
the methane atmosphere

Answers

Answer 1

Answer:

the axis is tilted at 98 degrees

Explanation:

Uranus is blue, not green; it has an atmosphere of hydrogen and helium, not methane.  While it does have an icy cold temperature, that's not a very unusual characteristic for an outer planet.  However, the tilt of the axis is unusual; no other planet is tilted almost completely on its side!


Related Questions

what is matter and energy​

Answers

Answer:

Matter is something that is made of atoms like a liquid, solid, or gas and energy is when water becomes a gas and the energy starts to get faster to where there is steam because the gas is being trapped inside the pot or any other object.

Explanation:


The inert gas which is substituted for nitrogen in the air used by deep sea divers for breathing, is

A. Argon
B. Xenon
C. Helium
D. Krypton

The gases used in different types of welding would include

A. oxygen and hydrogen
B. oxygen, hydrogen, acetylene and nitrogen
C. oxygen, acetylene and argon
D. oxygen and acetylene

The property of a substance to absorb moisture from the air on exposure is called

A. osmosis
B. deliquescence
C. efflorescence
D. desiccation

In which of the following activities silicon carbide is used?

A. Making cement and glass
B. Disinfecting water of ponds
C. cutting very hard substances
D. Making casts for statues

The average salinity of sea water is

A. 3%
B. 3.5%
C. 2.5%
D. 2%

Answers

Answer:

1.  C. helium

2.  D. oxygen and acetylene

3.  B.  deliquescence

4.  C.  cutting very hard surfaces

5.  B.  3.5%

Explanation:

if you supply 3600 kJ of heat, how many grams of ice at 0°C can be melted, heated to its boiling point? (Make M your X in equations) (figure out which q you need)

Answers

Answer:

=1.36kg

Explanation:

First heat is absorbed to melt the ice- latent heat of fusion of ice then heat is absorbed to raise the temperature to 373K

The specific heat capacity of water is 4.187kJ/kg/K while  the latent heat of fusion of ice is 2230kJ/kg/K.

Letting the mass of the ice to be =x

x×2230kJ/kg/K + x×4.187kJ/kg/K×100K= 3600kJ

2230x+418.7x=3600

2647.8x=3600

x=1.36 kg

Which is not a strong electrolyte?

Some bases

Water

Some acids

Salts

Answers

Answer:

Water

Explanation:

Strong electrolytes will completely ionize in water, and water cannot do that to itself.

which is not a strong electrolyte?

water

_______________ reactions transfer energy to the surroundings, usually as heat. A) Decomposition B) Endothermic C) Exothermic D) Synthesis

Answers

Answer: C EXOTHERMIC

Explanation:

Answer: C

Explanation:

Can someone plz explain ionic and covalent bonding plzzzz!!!

Answers

Answer:

Ionic Bonding: The formation of an Ionic bond is the result of the transfer of one or more electrons from a metal onto a non-metal.

Covalent Bonding: Bonding between non-metals consists of two electrons shared between two atoms.

Explanation:

PLEASE ITS URGENT! If some electrons are transferred from object A to object B,
A. Object A will have a positive charge
B. Object A will have a negative charge
C. Object B will have a positive charge
D. B and C

Answers

Object A will have a positive charge since it is losing electrons. And object B would have a negative charge since its gaining electrons. For example, magnesium atom is object A and chloride atom is object B. Magnesium atom gives an electron away to the chloride atom. Therefore the chloride atom will have a negative charge of one and magnesium has a positive charge of 1.

The answer is A. Object A will have a positive charge.

At 40.0°C, the pressure inside a nitrogen-filled tennis ball with a volume of 148
cm is 235 kPa. How many moles of nitrogen (N2) are in the tennis ball?
A 13.4 mol
B 4.22 * 102 mol
C 1.34 x 10-2 mol
OD 0.105 mol

Answers

Answer:

the answer is

n = 0.01336 mol

Explanation:

To determine the number of moles of a gas, we need to have an expression that relates the pressure, temperature and volume of the system. For simplification, we assume that this gas is ideal so we use the equation PV=nRT. We calculate as follows:

PV=nRT

n = PV / RT

n = 235000(1.48x10^-4) / (8.314)(40+273.15)

n = 0.01336 mol

Answer : The correct option is, (B) [tex]1.34\times 10^2mol[/tex]

Explanation :

To calculate the moles of nitrogen gas we are using ideal gas equation:

[tex]PV=nRT[/tex]

where,

P = pressure of nitrogen gas = 235 kPa = 2.319 atm

Conversion used : (1 atm = 101.325 kPa)

V = volume of nitrogen gas = [tex]148cm^3=148mL=0.148L[/tex]

Conversion used : (1 L= 1000 mL)

T = temperature of nitrogen gas = [tex]40.0^oC=273+40.0=313K[/tex]

R = gas constant = 0.0821 L.atm/mole.K

n = moles of nitrogen gas = ?

Now put all the given values in the ideal gas equation, we get:

[tex](2.319atm)\times (0.148L)=n\times (0.0821L.atm/mole.K)\times (313K)[/tex]

[tex]n=0.0134mol=1.34\times 10^2mol[/tex]

Therefore, the number of moles of nitrogen gas are, [tex]1.34\times 10^2mol[/tex]

Which statement about concentration cells is correct?

A.
The concentrations are the same and the reactions are the same, so the cell potential is 0.00 volts.
B.
The concentrations are the same and the reactions are different, so the cell potential is greater than 0.00 volts.
C.
The concentrations are the same and the reactions are different, so the cell potential is less than 0.00 volts.
D.
The concentrations are different and the reactions are different, so the cell potential is 0.00 volts.

Answers

Final answer:

The correct statement is that in a concentration cell, the reactions are the same but the concentrations are different, which results in a cell potential greater than 0.00 volts until equilibration.

Explanation:

The correct statement about concentration cells is: The concentrations are different and the reactions are the same, so the cell potential is not 0.00 volts. Essentially, concentration cells consist of two half-cells with identical electrodes and the same redox active species at different concentrations. The standard electrode potential (E°) in a concentration cell is zero because the electrodes are identical; however, there is a potential difference, calculated with the Nernst Equation, due to varying concentrations. As the reaction in a concentration cell proceeds, the concentrations equilibrate and the cell potential (ΔEcell) decreases until the concentrations become equal and ΔEcell reaches zero.


Which statement about concentration cells is correct?

A.
Concentration cells have different electrodes.
B.
Concentration cells have different solutions but with the same concentration level.
C.
Concentration cells have high voltages when the concentration levels are the same.
D.
Concentration cells have the same substance for both anode and cathode.

Answers

Answer:

Concentration cells have the same substance for both anode and cathode.

Explanation:

Plato

The correct statement about concentration cell is concentration cells have the same substance for both anode and cathode. The correct option is D.

What is anode and cathode in a cell?

Anode is the negative terminal of the cell in which the electrons are released or reduced.

The cathode is the positive terminal where the electrons are accepted, here oxidation occurs.

Thus, the correct option is D. Concentration cells have the same substance for both anode and cathode.

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Engineers increase output in crop production by combining the strengths of
two plants. This can be done by using one plant to pollinate a different plant
so that their strengths are combined into a new plant. What is this technique
called?

Answers

Answer:

Cross-pollination

Explanation:

This technique is used to create new varieties, usually with stronger characteristics than the two original varieties. When the pollen of one variety is placed to a different plant's stigma, the resulting seeds create a new variety. This cross-pollination is used in plants of the same species.  

Answer:

Crossbreeding

Explanation:

apex

which of these energy
resource is non rewnable?

Answers

Nonrenewable resources are those found inside the earth, and they took millions of years to form. These include the fossil fuels, oil, natural gas, and coal and nuclear energy

Chlorine gas react with potassium bromide. Predict the products of this reaction and their states.
Give an explanation for you answer.​
can someone please explain how I get to an answer please

Answers

Answer:

See below.

Explanation:

Chlorine gas replaces the bromine in  potassium bromide to form potassium chloride and bromine liquid is released.

The equation for the reaction is:

Cl2 (g) + 2KBr (s) = KCl  (s) + Br2 (l).

This reaction occurs because chlorine is more reactive then bromine.

After a party, a room is known to have high entropy and thus is a good example of which law?

the zeroth law of thermodynamics
the first law of thermodynamics
the law of conservation of energy
the second law of thermodynamics

Answers

the second law of thermodynamics

What’s the charge of cu3PO4

Answers

Answer:No charge

Explanation:

Cu3PO4 is an ionic compound which my definition has no charge (or a charge of 0). But if you are referring to the ions themselves that make up the compound, PO4 is a polyatomic ion so you can look up its charge in a polyatomic ion chart (it is 3-). Thus since there are 3 Cu's per PO4^3-, each Cu must have a charge of 1+.

Final answer:

The charge of Cu3PO4 is neutral, and each Cu ion in the molecule carries a +1 charge to balance the -3 charge from the phosphate ion.

Explanation:

The compound Cu3PO4 is made up of Cu (Copper) and PO4 (Phosphate) ions. When these ions bind to form an ionic compound such as Cu3PO4, the total charge of the compound should be neutral.

The charge of Cu3(PO4)2 is +2.

In this case, phosphate has a charge of -3, and for the molecule to be neutral, the total charge from the 3 Copper ions must be +3, making the charge of each Cu (Copper) ion as +1.

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What volume in mt, of 0.5a M1HCI solution is needed to neutralize 77 ml of 1.54 M NaOH solution?

Answers

Answer:

237.2 mL.

Explanation:

We have the rule: at neutralization, the no. of millimoles of acid is equal to the no. of millimoles of the base.

(XMV) acid = (XMV) base.

where, X is the no. of (H) or (OH) reproducible in acid or base, respectively.

M is the molarity of the acid or base.

V is the volume of the acid or base.

(XMV) HCl = (XMV) NaOH.

For HCl; X = 1, M = 0.5 M, V = ??? mL.

For NaOH, X = 1, M = 1.54 M, V = 77.0 mL.

∴ V of HCl = (XMV) NaOH / (XV) HCl = (1)(1.54 M)(77.0 mL) / (1)(0.5 M) = 237.2 mL.

Neutralization of HCl and NaOH

Answers

Answer:

the reaction with the hydrochloric acid and the sodium hydroxide gives you HCl + NaOH which gives you H2O + NaCl.

Explanation:

Balance the chemical equation. Balancing the neutralization reaction involves the process of making sure that there is an equal number of moles of each of the elements on both sides of the equation.

Under what conditions will a gas be least likely to exhibit the ideal gas properties predicted by the ideal gas law?

Answers

Final answer:

A gas deviates most from the ideal gas law at low temperatures and high pressures due to the increased significance of molecule volume and intermolecular attractions.

Explanation:

A gas will be least likely to exhibit the ideal gas properties predicted by the ideal gas law under conditions of low temperatures and very high pressures. At high pressures, gas molecules are forced closer together, which means they occupy a more significant volume relative to the space they are in, challenging the assumption that their volume is negligible. At low temperatures, the decreased kinetic energy of the gas particles means that intermolecular attractions become more significant, further deviating from ideal behavior.

A gas in a rigid container at 25C has a pressure of .96atm. A change in temperature causes the pressure to increase to 1.25 atm. What is the new temperature of the gas

Answers

Hello!

The answer is:

The new temperature of the gas is equal to 388.22 K

Why?

Since we have a rigid container, we can safely assume that the volume is kept constant.

To solve the problem, we need to use the Gay Lussac's Law, which states that the pressure and the volume of an ideal gas are proportional  when the volume is kept constant.

Also, we need to remember that Gay Lussac's Law works with absolute temperature, so, we need to convert the given temperature (in celsius degrees) to Kelvin.

[tex]T(K)=273.15 + T(\°C)\\\\T(K)=273.15 +25=298.15K[/tex]

So, using the Gay Lussac's equation, we have:

[tex]\frac{P_1}{T_1}=\frac{P_2}{T_2}[/tex]

Where,

[tex]P_1[/tex] is equal to the first pressure.

[tex]T_1[/tex] is equal to the first temperature.

[tex]P_2[/tex] is equal to the new pressure.

[tex]T_2[/tex] is equal to the new temperature.

We are given the following information:

[tex]P_1=0.96atm[/tex]

[tex]T_1=298.15K[/tex]

[tex]P_2=1.25atm[/tex]

Then, substituting and calculating, we have:

[tex]T_2=P_2*\frac{T_1}{P_1}\\\\T_2=1.25atm*\frac{298.15K}{0.96atm}=388.22K[/tex]

Hence, the new temperature of the gas is equal to 388.22 K.

Have a nice day!

Answer: the person up there had the correct answers so far, but didn’t complete it, but after converting it , finish it .

temperature in celcius - 388 K - 273 = 115 °C

answer is C. 115 °C

Explain how to convert a mass of compound A to a mass of compound D in words with no equations using the following reaction 2A + 4B -> C + 3D​

Answers

Answer:

Explanation:

The given reaction equation is:

                2A + 4B → C + 3D

We know the mass of compound A in the reaction above. We are to find the mass of compound D.

We simply work from the known mass to calculate the mass of the unkown compound D

Using the mole concept, we can find the unknown mass.

Procedures

We first find the molar mass of the compound A from the atomic units of the constituent elements. We then use the molar mass of A to calculate its number of moles using the expression below:  

            Number of moles of A = [tex]\frac{mass of A}{molar mass of A}[/tex]

Using the known number of moles of A, we can work out the number of moles of D.

           From the balanced equation of the reaction, it is shown that:

         2 moles of compound A was used up to produced 3 moles of D

  Then [tex]\frac{3}{2}[/tex] x number of moles of A would give the number of moles of D

Now that we know the number of moles of D, we can find its mass using the expression below:

             Mass of D = number of moles of D x molar mass of D

In what zone of the ocean are thermal vents found? How are they related to organisms in this zone?

Answers

the very bottom of the ocean and they are relevant by most of the animals feed off of the animals that come out of he vents

A scientist wants to use a model to help present the results of his detailed scientific investigation.

Why would a model be useful?

because the model makes the concepts easier to understand
because the model is easy to put together and to use
because the model prevents other scientists from asking questions
because the model requires the audience to pay full attention to it

Answers

Because the model makes the concepts easier to understand.

Answer:

A. because the model makes the concepts easier to understand

Edge.2023

Explanation:

<3

Which chemical equation is balanced? This is timed, please help!

Answers

Answer: It's the first one,

which of the following natural resources does not contribute to global warming

coal

natural gas

nuclear power

oil​

Answers

Answer:

The right choice is "nuclear power "

Explanation:

Human activities like burning coal for warming or for using in industries, heat our homes with oil, or switching on our natural gas stoves for cooking produce carbon dioxide gas and other gases (i.e. greenhouse gas) responsible for global warming .

while, nuclear power doesn't contribute to the universe with any of this greenhouse gas

So, the right choice is "nuclear power "

Need help on this ASAP !!!!

Answers

Answer:

2.5 moles of O₂

Explanation:

2RbNO₃⇒2RbNO₂+O₂-------------The equation is balanced

Mole ratio for the equation

2RbNO₃⇒2RbNO₂+O₂

2                2              1

RbNO₃:O

2:1---------------------------------------For every mole of oxygen produced ,two moles of RbNO₃ are required

Given

5 moles of RbNO₃  will produce ? moles of oxygen

2 moles of RbNO₃=1 mole of oxygen

5 moles of RbNO₃=?

=(5×1)/2 = 2.5 moles

Which type of fire should never be put out with water?
paper fire
clothing fire
wood fire
grease fire

Answers

Answer:

grease fire. The others are solids that will easily be put out with water.

Answer:

grease fire

Explanation:

DOING THAT WILL JUST MAKE IT WORSE

hope it helps

Determine the volume in liters of a 1.00 ounce bottle. (1.06 qt. = 1 L; 32 ounces= 1 qt)

Answers

Final answer:

A 1.00-ounce bottle holds approximately 0.0295 liters of liquid, by converting ounces to quarts (1.00 ounce / 32 ounces), and then quarts to liters (the resulting number of quarts / 1.06).

Explanation:

Given that there are 32 ounces in 1 quart and 1.06 quarts in 1 liter, we can first convert ounces to quarts, and then quarts to liters. So, if we have 1.00 ounce, we simply divide this number by 32 to get the equivalent in quarts. The answer is about 0.03125 quarts. Then, we convert quarts to liters by dividing the number of quarts obtained by 1.06, yielding approximately 0.0295 liters.

Thus, a 1.00-ounce bottle would hold about 0.0295 liters of liquid.

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(Multiple choice) Which actions are part of the dissolution process of an ionic solute in water?

The ions are pushed together to form molecules.

Each ion is surrounded by water molecules.

The water molecules attract some ions and repel others.

The ions in the solute separate from each other.

The water molecules break apart into ions.

Answers

Answer: Each ion is surrounded by water molecules

Explanation: The ions are surround by the water molecules which act as a barrier around the ions and prevent the recombination of ions. The ions are said to be hydrated.

Answer:

Each ion is surrounded by water molecules.

Explanation:

During dissolution of ionic solute in water the following process occur

a) Breaking of molecule into separate ions (need lattice energy)

b) hydration of each ion by water molecules (hydration energy is released)

c) due to hydration the ions of solutes further become far from each other.

There is no breaking of water molecule or the ions do not combine to form molecule.

A temperature change in a reaction indicates_____.

Answers

A temperature change in a reaction indicates a chemical change

Answer:

A temperature change in a reaction indicates occurrence of chemical change.

Explanation:

In chemistry, two types of reaction are always witnessed. One is physical reaction whereas the other is chemical reaction. In a chemical reaction, there is an adjustment in the organization of the substances whereas in a physical change there is a distinction in the appearance, smell, or straightforward showcase of an example of issue without an adjustment in structure.

At the point when bonds are broken and new ones are shaped, a compound change happens. The following happenings indicate the chemical change:

Change in Temperature  Change in Color  Recognizable Odor  Development of a Precipitate or bubbles

Calculate the hydrogen ion concentration for an aqueous solution that has a pH of 3.45.

Answers

Answer:

[H⁺] = 3.548 x 10⁻⁴ M.

Explanation:

∵ pH = -log[H⁺]

∴ 3.45 = -log[H⁺]

log[H⁺] = -3.45

∴ [H⁺] = 3.548 x 10⁻⁴ M.

Final answer:

To find the hydrogen ion concentration from a pH of 3.45, calculate 10 to the power of negative pH, resulting in a hydronium ion concentration of approximately 3.55 × 10-4 M.

Explanation:

To calculate the hydrogen ion concentration for an aqueous solution with a pH of 3.45, we can use the definition of pH which is pH = -log[H3O+]. We need to reverse the process to find the concentration of hydronium ions (H3O+). This is done by taking the antilog (inverse log) of the negative pH value.

First, we reverse the sign of the pH to get -3.45. Using a calculator, we enter -3.45 and then press the 10x or exp button to find the concentration of H3O+. The result is that [H3O+] = 10-3.45 M, which calculates to approximately 3.55 × 10-4 M.

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