Which of the following are chemical changes?
select all that apply:
a) gasoline is e...
Chemistry, 12.11.2019 04:31, becksss2714
Which of the following are chemical changes?
select all that apply:
a) gasoline is evaporated,
b) water is frozen,
c) water is boiled,
d) water is heated up,
e) gasoline is burned
Answers: 2
Chemistry, 21.06.2019 18:00, FloweyFlower
Aballoon inflated with three breaths of air has a volume of 1.7 l. at the same temperature and pressure, what is the volume of the balloon if five more same-sized breaths are added to the balloon? a balloon inflated with three breaths of air has a volume of 1.7 l. at the same temperature and pressure, what is the volume of the balloon if five more same-sized breaths are added to the balloon?
Answers: 3
Chemistry, 22.06.2019 05:30, nuclearfire278
Why is soap used to remove grease? a. its nonpolar end dissolves the grease. b. it makes the water bond with the grease. c. it chemically bonds with the grease. d. its polar end dissolves the grease. correct answer for apex - a, its nonpolar end dissolves the grease.
Answers: 1
Chemistry, 22.06.2019 17:00, destinyycooper
What is the approximate vapor pressure when the gas condenses at 70 degrees celsius
Answers: 2
Chemistry, 23.06.2019 04:20, milkshakegrande101
The equation below shows the reaction of zinc with hydrochloric acid (hcl). zn (s) + 2 hcl (aq) —> zncl2 (aq) + h2 (g) what will happen if the concentration of hcl is decreased? a. more zncl2 will be produced. b. the reaction rate will slow down. c. the hydrochloric acid will become more acidic. d. the reaction will produce water instead of hydrogen gas.
Answers: 1
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