Science 7 grade 7. can anyone me answer these science questions?
i need the answers soon as...
Chemistry, 23.01.2020 02:31 bryanmcmillianjr
Science 7 grade 7. can anyone me answer these science questions?
i need the answers soon as possible.
thermal expansion in a balloon occurs because
the gas cools off and causes the size of the balloon to change
when the gas heats up, the particles move closer together
when a gas is heated, the particles hit the walls of the container with greater force
when the gas cools, the particles move closer together
is a way thermal energy is transferred.
fill in the blank ?
a cellphone battery is what type of energy form?
a piston in an engine is what type of energy form?
the choices are :
nuclear, radiant ,sound, thermal, electric, mechnical
Answers: 1
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Nitric acid can be formed in two steps from the atmospheric gases nitrogen and oxygen, plus hydrogen prepared by reforming natural gas. in the first step, nitrogen and hydrogen react to form ammonia: (g) (g) (g) in the second step, ammonia and oxygen react to form nitric acid and water: (g) (g) (g) (g) calculate the net change in enthalpy for the formation of one mole of nitric acid from nitrogen, hydrogen and oxygen from these reactions. round your answer to the nearest .
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How is the solubility of a carbon dioxide gas in water increase?
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