Chemistry, 08.03.2021 09:30, lucas2020197
PLEASE HELP
Assuming that all the energy given off in the reaction goes to heating up only the air in the house, determine the mass of
methane required to heat the air in a house by 15.0°C. Assume each of the following: house dimensions are 30.0 mx
25.0 m x 3.2 m; specific heat capacity of air is 30 J/K mol; 1.00 mol of air occupies 22.4L for all temperatures
concerned.
Express your answer using two significant figures.
Answers: 1
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Which of the following statements is true? a. elements in the last period are radioactive. b. atomic weight is the same as atomic mass. c. elements in the same group have the same number of electron shells. d. atomic number equals the number of neutrons in the nucleus of an atom.
Answers: 1
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Achemist 16 drop copper metal from copper chloride solution. the chemist place is 0.50 g of aluminum foil in a solution containing 0.75 g of copper (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction?
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There is one girl i like and i don't know how to tell her that, i have a feeling she knows but if she doesn't i don't want to make a fool out of myself how is one way to boost my confidence on asking her out
Answers: 1
PLEASE HELP
Assuming that all the energy given off in the reaction goes to heating up only the air...
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