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Leya [2.2K]
3 years ago
9

When the temperature of a substance _____, the motion of the atoms that make up that substance _____.

Chemistry
1 answer:
Mkey [24]3 years ago
7 0
Increase in temperature makes the atoms speed up, and decrease in temperature makes the atoms move slower.
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What is hydrogen peroxide ?​
Sati [7]

chemical that appears as a colorless liquid, is used in a wide range of cleaning and personal care products, including hair dyes and bleaches, toothpaste and mouthwashes, bathroom cleaners and laundry stain removers. Hydrogen peroxide can also be found in over-the-counter first aid antiseptics, and it is used as a bleaching agent in some food products. It has other consumer and industrial uses as well, including water treatment.

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6 0
2 years ago
What would be the volume in liters of an ideal gas, if a 0.425 mole sample of the gas had a temperature of 900 degrees celsius a
Karo-lina-s [1.5K]
The ideal gas law relates the pressure (P), volume (V), number of moles (n), and temperature (T) of a given ideal gas through the equation,

                                 PV = nRT 

If we are to determine the volume of the gas, we derive the equation such that it takes the form of,
                                 V = nRT/P

Substituting,
             V = (0.425 mol)(0.0821 L.atm/mol.K)(900 + 273 K) / 3 atm

                            V = 13.64 L

Thus, the volume of the ideal gas is approximately 13.64 L. 
5 0
3 years ago
How many atoms are in 18.016g of Sulfur?
Stella [2.4K]
That means that one mole of sulfur has a mass of 32.065 grams. b) This compound contains two hydrogen atoms and one oxygen atom. To find the molar mass of H2O, we need to add the mass of two hydrogen atoms plus the mass of one oxygen atom. We get: 2(1.008)+16.00=18.016g/mol.
3 0
3 years ago
The comet cools down and begins to glow brightly as a result of this decreased temperature.
Alexus [3.1K]
True, in space the tail of a comet will be cold since it a. doesnt have a hot core and b. are typically not found near the sun
4 0
3 years ago
What is the scientific definition of heat​
Usimov [2.4K]

Answer:

Most of us use the word 'heat' to mean something that feels warm, but science defines heat as the flow of energy from a warm object to a cooler object.

Explanation:

Heat energy is the result of the movement of tiny particles called atoms, molecules or ions in solids, liquids and gases.

At a molecular level, heat is the transfer of energy that makes use of or stimulates disorderly molecular motion in the surroundings.

4 0
2 years ago
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