subject
Chemistry, 22.10.2020 18:01 carog24

A student has a Petri dish and several marbles. Which of the following activities should the student perform to demonstrate phase transition from a liquid to a solid? A. Placing a few marbles in the Petri dish and shaking them vigorously to represent removal of energy
B. Packing the Petri dish with two layers of marbles and slowly jiggling them to represent removal of energy
C. Packing the Petri dish with two layers of marbles and slowly jiggling them to represent addition of energy
D. Placing a few marbles in the Petri dish and shaking them vigorously to represent addition of energy

ansver
Answers: 2

Another question on Chemistry

question
Chemistry, 22.06.2019 07:30
11. phosphorus-32 is radioactive and has a half life of 14 days. how much of a 124 mg sample of phosphorus-32 is present after 56 days? a) 7.75 mg b) 15.5 mg c) 31.0 mg d) 62.0 mg
Answers: 3
question
Chemistry, 22.06.2019 14:00
8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.
Answers: 3
question
Chemistry, 22.06.2019 14:30
Which of the following units is not an official si unit
Answers: 1
question
Chemistry, 22.06.2019 22:30
What is a number added in front of a formula in order to balance the equation
Answers: 1
You know the right answer?
A student has a Petri dish and several marbles. Which of the following activities should the student...
Questions
question
Mathematics, 13.04.2020 22:23
question
Social Studies, 13.04.2020 22:23
Questions on the website: 13722360