Chemistry, 06.02.2021 01:00 alonnachambon
A student mixed two chemicals to allow them to react. The temperature
before the reaction was 25°C. The temperature after the reaction was 18"
C. Which of the following is true?
A: An exothermic reaction occured
B: An endothermic reaction occured
C: The substances exploded
D: The substances did not change
Answers: 1
Chemistry, 22.06.2019 19:30
Helium decays to form lithium. which equation correctly describes this decay?
Answers: 2
Chemistry, 22.06.2019 23:00
What is the formula of the ionic compound composed of calcium cations and chloride anions
Answers: 1
A student mixed two chemicals to allow them to react. The temperature
before the reaction was 25°C....
Mathematics, 18.03.2021 03:10
Mathematics, 18.03.2021 03:10
Health, 18.03.2021 03:10
Biology, 18.03.2021 03:10
Mathematics, 18.03.2021 03:10
History, 18.03.2021 03:10
History, 18.03.2021 03:10