Which of the following are evidence that a chemical reaction has occurred?
A. Two liquids are combined and a gas is released
B. A substance is added to water and dissolves
C. Two liquids are combined and a solid precipitate forms
D. A new substance is formed
E. A single reactant changes from a liquid to a solid
Answers: 2
Another question on Chemistry
Chemistry, 22.06.2019 03:00
Which best describes how johannes kepler developed his laws of planetary motion
Answers: 3
Chemistry, 22.06.2019 13:00
Asubstance is a good conductor of electricity which of the following best explains a probable position of the substance in a periodic table
Answers: 3
Chemistry, 22.06.2019 21:30
If you burn 46.6 g of hydrogen and produce 416 g of water, how much oxygen reacted
Answers: 3
Chemistry, 23.06.2019 02:00
Butane gas reacts with oxygen gas to give carbon dioxide gas and water vapor (gas). if you mix butane and oxygen in the correct stoichiometric ratio, and if the total pressure of the mixture is 390 mmhg, what is the pressure (in mmhg) of water vapor after the reaction is completed (temperature and volume do not change).
Answers: 2
You know the right answer?
Which of the following are evidence that a chemical reaction has occurred?
A. Two liquids are combi...
Questions
Mathematics, 16.09.2021 06:30
Biology, 16.09.2021 06:30
Physics, 16.09.2021 06:30
Biology, 16.09.2021 06:30
Biology, 16.09.2021 06:30
English, 16.09.2021 06:30
Mathematics, 16.09.2021 06:30
Mathematics, 16.09.2021 06:30
