Chemistry, 09.11.2020 20:30 paytonxxburns05

Which is evidence that a chemical reaction has occurred? es
A)
a phase change occurs
B)
a new gas is observed in the form of bubbles
red and yellow paint mixing to make orange paint
D)
the temperature of the substance remains constant

The correct answer is B) a new gas is observed in the form of bubbles .

Answers: 3

Show answers

Other questions on the subject: Chemistry

Chemistry, 20.06.2019 18:04, ashleylit8

4moles of nitrogen gas are confined to a 6.0 l vessel at 177 °c and 12.0 atm. if the vessel is allowed to expand isothermally to 36.0 l, what would be the final pressure?

Answers: 3

continue

Chemistry, 22.06.2019 23:00, maddyleighanne

Arectangle has a diagonal 20 inches long that forms angles of 60 and 30 with the sides. find the perimeter of the rectangle. for geometry

Answers: 3

continue

Chemistry, 23.06.2019 03:00, KindaSmartPersonn

In which of the following phases of matter do molecules have the highest amount of energy? a. liquid b. gel c. solid d. gas

Answers: 2

continue

Chemistry, 23.06.2019 05:10, lyndah15

Will mark as brainliest ! how many grams of iron metal do you expect to be produced when 245 grams of an 80.5 percent by mass iron (ii) nitrate solution react with excess aluminum metal? show all work needed to solve this problem!

Answers: 1

continue

You know the right answer?

Which is evidence that a chemical reaction has occurred? es
A)
a phase change occurs