Which of the following changes are chemical changes?
a. water is frozen.
b. water is...
Chemistry, 09.09.2019 17:10 kingjustin0825
Which of the following changes are chemical changes?
a. water is frozen.
b. water is heated up.
c. gasoline is burned.
d. gasoline is evaporated.
e. water is boiled.
Answers: 1
Chemistry, 21.06.2019 15:30
Zinc + lead(ii) nitrate yield zinc nitrate + leadwhat's the chemical equation for this?
Answers: 1
Chemistry, 22.06.2019 04:00
You encounter a solution that is acidic and you decide to test it by adding a small amount of a strong acid. the ph lowers slightly but is approximately unchanged, and still remains acidic. what can you say about the solution? a. it is a buffer solution. b. it is not a buffer solution it is a strong acid solution. d. the solution has been neutralized. e. the solution has excess acid present
Answers: 1
Chemistry, 22.06.2019 10:00
Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.
Answers: 1
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