When cellular respiration occurs, food energy is converted into chemical energy in the way of ATP, ______ and _____ are the products of this process. Spell check

The correct combination is State A: Cannot be compressed and retains its shape, which describes the state of matter known as a solid.

The combination of the state and a substance that is correctly described is State A: Cannot be compressed and retains its shape. This describes the state of matter known as a solid. Solids have a fixed shape and volume, and the particles are tightly packed together, which makes them unable to be compressed. Examples of solids include rocks, metals, and wood.

Answer: The author indicates that the creation of e-skin needs both computer scientists and life scientists to work together. Therefore, e-skin acts as a bridge between these two different disciplines of science.

Explanation:  From Edmentum

Answer:

We expect 3 chlorine atoms per molecule of product produced.

Explanation:

Given the reactants 2 Sb + 3 Cl2. As you can see in periodic table, Cl always acts with an oxidation state of -1, while Sb can act with +3 or +5.  If reactants are balanced in the given part of the reaction, it means that the product must be 2SbCl3. In this reaction Sb has an oxidation state of +3.

Then 2 Sb + 3Cl2 ⇒ 2 SbCl3, so there are 3 atoms of chlorine per molecule of product produced.

If Sb was acting with +5, you need 5 atoms of chlorine per product and then

2Sb + 5Cl2 ⇒ 2SbCl5, this way you need more atoms than you have.

The inverted molar mass of aluminum oxide ([tex]\rm Al_2O_3[/tex]) is 0.00980 mole/gram.

Molar mass is the mass of one mole of a substance. It is expressed in units of grams per mole (g/mol).

To calculate the inverted molar mass of aluminum oxide as a conversion factor, you take the reciprocal of the molar mass.

= [tex]\rm \dfrac{1 \ mole\ \rm Al_2O_3}{102.\ g \rm \ Al_2O_3}[/tex]

= 0.00980 moles/g

Therefore, take the reciprocal of the molar mass to compute the inverted molar mass of aluminum oxide as a conversion factor. And 0.00980 mole/gram is the inverted molar mass of aluminum oxide.

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Increasing the temperature of the materials involved in a chemical reaction is the factor that speeds up the reaction rate.

The correct option that increases the rate of a chemical reaction is B. Increasing the temperature of the materials reacting. When the temperature of a chemical reaction is raised, the particles move faster, which leads to a higher frequency of collisions, and more importantly, these collisions are more likely to overcome the activation energy barrier, forming products at a faster rate. This results in an increased rate of the chemical reaction.

In contrast, increasing the number of different elements (option A), decreasing the concentration (option C), or decreasing the temperature (option D) would not necessarily increase the rate of a reaction and can even slow it down.

Answer:

crystallize

Explanation:

Magma is a mixture of liquid rock particles, dissolved gases and crystals of different metals. They are rich in calcium, iron, magnesium, potassium and sodium. Molten magma causes volcanic eruption and as a result all these elements are expelled out of the earth's inner core. Temperature of the magmas are very high ranging from 650 degree to 1250 degree celcius. They come out in molten form and slowly crystallizes and solidifies as rocks which is very rich in minerals like iron, calcium, magnesium, sodium etc.

Thus, as magma cools, the first minerals to crystallize are rich in iron, calcium, and magnesium.

Answer:

New volume of the balloon = 0.47 L

Explanation:

Given:

Initial Temperature T1 = 22 C

Initial volume of the balloon, V1 = 0.50 L

Final temperature T2 = 4.0 C

To determine:

Final volume of the balloon, V2

Calculation:

Based on the ideal gas equation, pressure (P), volume (V) and temperature (T) are related as:

[tex]PV = nRT[/tex]

where n = number of moles of the gas

R = gas constant

Under conditions of constant P and n, the ideal gas equation becomes:

[tex]V/T = constant [/tex]

This is Charles Law which can also be expressed under a given set of initial and final conditions as:

[tex]\frac{V1}{T1} =\frac{V2}{T2}[/tex]

[tex]V2 = \frac{V1}{T1} * T2 =\frac{0.50 L*(4.0+273)K}{(22+273)K} =0.47\ L[/tex]

The substance you're solving for in a chemical reaction equation, such as C + H2O → CO + H2, is the appropriate coefficients that ensure the equation is balanced, accounting for preserving same amount of each type of atom on both reactant and product sides.

The chemical reaction in question is an example of a reaction requiring balancing. In the reaction C + H2O → CO + H2, the substance to solve for would be the coefficients that balance the chemical equation, ensuring that the number of each type of atom on the reactant side is equal to the number on the product side.

For example, if you start with balancing carbon (C) and hydrogen(H), you could get to the point where you have an odd number of oxygen atoms (O) on the product side. To correct this, a conventional balanced equation with integer-only coefficients can be derived by multiplying each coefficient by 2.

Similarly the ratio of the volumes of involved substances will be equal to the ratio of their coefficients in the balanced equation for the reaction

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Answer:

1. When 50 g of sugar undergoes a physical change, say for example dissolving or melting, the amount of sugar in the solution or melted form will also be 50 grams. This shows that the mass before and after the change was the same, in accordance to the law of conservation of mass.

One may approach the Indian Ocean if you dug straight through any of the states.

Although it's a common practice among American parents to tell their children they'll end up in China, that couldn't be further from the reality.

Since the Earth is a spherical, any digging that begins in one hemisphere must eventually finish in another. China is in the Northern Hemisphere and far distant.

Observe a globe more closely, China and the United States are not genuinely on opposite poles. Since they are both in the Northern Hemisphere, that is not conceivable.

You would actually emerge from the heart of the Earth if a hole were to be bored there from anyplace in the lower 48 states. midway through the Indian Ocean.

Thus, If you went straight through any of the states, you may go close to the Indian Ocean.

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The answer would be B. Less than 68 seconds as rate of reaction is higher for tap water because when you add a solute to cold water, it does not dissolve in the solvent as to putting the solute in room temperature or warm water.

Less than 68 seconds as rate of reaction is higher for tap water because a solute does not dissolve in cold water as it would in warm or room temperature water.

Rate of reaction is defined as how quickly reactants transform into products.

It can also be defined as the rate of a chemical reaction, calculated as being proportional to the rise in product concentration per unit time and the fall in reactant concentration per unit time.

The rate of reaction is essentially how quickly the product is created and how quickly the reactant is depleted.

The rate law and collision theory both state that reaction rate increases with concentration. Collisions happen more frequently as reactant concentration rises.

Thus, less than 68 seconds as rate of reaction is higher for tap water because a solute does not dissolve in cold water as it would in warm or room temperature water.

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Your question is incomplete, but probably your complete question was

During an investigation, similar effervescent tablets were dropped into a beaker containing cold water and a beaker containing tap water. The table below shows an incomplete record of the investigation.

(INVESTIGATION CHART ON PINNED SCREENSHOT)

Which statement best explains the time taken for the tablet to dissolve in tap water? (5 points)

a

Less than 68 seconds as the rate of reaction is higher for cold water

b

Less than 68 seconds as the rate of reaction is higher for tap water

c

More than 68 seconds as the rate of reaction is lower for cold water

d

More than 68 seconds as the rate of reaction is lower for tap water

Final answer:

The reaction between nitrogen gas and hydrogen gas to form ammonia is represented by the chemical equation N₂(g) + 3 H₂(g) → 2 NH₃(g). The equilibrium constant varies with temperature, with higher constants indicating a greater tendency to produce ammonia at that temperature.

Explanation:

In chemistry, the reaction between nitrogen gas (N₂) and hydrogen gas (H₂) to form ammonia (NH₃) is a fundamental reaction studied in high school chemistry classes. This reaction can be represented by the balanced chemical equation:

N₂(g) + 3 H₂(g) → 2 NH₃(g)

The reaction is exothermic and can proceed under various conditions, commonly known as the Haber process. The equilibrium constant (K) for this reaction varies with temperature, indicating how the reaction favours the products or reactants at different temperatures. The values given, like K at 25°C being 3.3 × 108, suggest that at room temperature, the reaction highly favours the formation of ammonia.

Explanation:

Isotopes are types of atoms of same element with same number of protons and electrons but differ in number of neutrons in their nucleus.

Hyphen notation is written as: Elemental Symbol - (Mass number)

Nuclear Symbol : [tex]^{A}_{Z} \text{Elemental symbol}[/tex]

a. Mass number of 28 and atomic number of 14.

The element with atomic number 14 is Silicon.

The hyphen notation for this given isotope of a silicon  : Si-28.

Nuclear Symbol  : [tex]^{28}_{14}Si[/tex]

b. 26 protons and 30 neutrons.

Mass number of element = 26 + 30 = 56

Atomic number of element = number of proton = 26

The element with 26 atomic number is iron.

The hyphen notation for this given isotope of a iron : Fe-56.

Nuclear Symbol  : [tex]^{56}_{26}Fe[/tex]

The nuclear symbol for the isotope with a mass number of 28 and atomic number 14 is 28Si, and for the isotope with 26 protons and 30 neutrons, it is 56Fe. The corresponding hyphen notations are Si-28 and Fe-56 respectively.

To identify and write the nuclear symbols and hyphen notations for isotopes, we look at their atomic number (number of protons), mass number (protons plus neutrons), and the element's symbol. Let's apply this method to the isotopes mentioned:

For the isotope with a mass number of 28 and an atomic number of 14, the element is silicon (Si), because the atomic number 14 corresponds to silicon in the periodic table. The nuclear symbol would be 28Si and the hyphen notation would be Si-28.

For the isotope with 26 protons and 30 neutrons, the element with 26 protons is iron (Fe), thus having a mass number of 56 (26 protons + 30 neutrons). The nuclear symbol is 56Fe and the hyphen notation would be Fe-56.

The mass number is written as a superscript to the left of the element symbol, and the atomic number is written as a subscript, though it is often omitted because the element symbol implies the atomic number.

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