Chemistry, 11.11.2019 18:31 perezsamantha3oqr0za
Suppose you are performing a gas-producing reaction with an unknown metal, x . x ( s ) + 2 h c l ( a q ) ⟶ x c l 2 ( a q ) + h 2 ( g ) a sample of 0.243 g of the unknown metal produces 76.9 ml of h 2 gas. the gas is collected over water at an atmospheric pressure of 768.3 mm hg at 23 oc, at which the vapor pressure of water is 21.1 mm hg. assume that the hydrogen gas behaves ideally. what is the experimental value for the molar mass of the metal in g/mol?
Answers: 3
Chemistry, 21.06.2019 15:50
In a popular classroom demonstration, solid sodium is added to liquid water and reacts to produce hydrogen gas and aqueous sodium hydroxide. part a write a balanced chemical equation for this reaction. express your answer as a chemical equation. identify all of the phases in your answer.
Answers: 3
Chemistry, 22.06.2019 08:30
Which of the following would have less momentum than a 52 kg cheetah running at 10 m/s?
Answers: 2
Chemistry, 23.06.2019 08:30
Kelly has come up with an explanation for why her sister is sometimes in a good mood and other times in a bad mood. she speculates that it is based on the hours of sleep her sister got the previous night. this explanation for her sister's behaviors is an example of a(n)
Answers: 3
Suppose you are performing a gas-producing reaction with an unknown metal, x . x ( s ) + 2 h c l ( a...
Computers and Technology, 18.02.2021 14:00
Chemistry, 18.02.2021 14:00
Mathematics, 18.02.2021 14:00
Mathematics, 18.02.2021 14:00
Mathematics, 18.02.2021 14:00
English, 18.02.2021 14:00
English, 18.02.2021 14:00
English, 18.02.2021 14:00
Mathematics, 18.02.2021 14:00
World Languages, 18.02.2021 14:00
Chemistry, 18.02.2021 14:00
Biology, 18.02.2021 14:00