subject
Chemistry, 03.12.2019 01:30 jonnydean0817

During an exothermic chemical reaction,
a. a system becomes warmer, and the chemical substances undergo a decrease in potential energy.
b. a system becomes warmer, and the chemical substances undergo an increase in potential energy.
c. a system becomes cooler, and the chemical substances undergo a decrease in potential energy.
d. a system becomes cooler, and the chemical substances undergo an increase in potential energy.
e. a system becomes warmer, and additional heat is gained from the surroundings.

ansver
Answers: 1

Another question on Chemistry

question
Chemistry, 05.02.2019 03:06
A75.4 gram sample of nitrogen gas was collected at stp. what volume will it occupy?
Answers: 3
question
Chemistry, 04.02.2019 21:42
What is the molar mass of babr2? a. 217.2 g/mol b. 297.1 g/mol c. 354.5 g/mol d. 434.4 g/mol
Answers: 1
question
Chemistry, 01.02.2019 23:25
Used the balanced equation n2 + 3h2 - -> 2nh3 . if you have 0.3 moles of nh3 , how many grams of n2 do you need
Answers: 1
question
Chemistry, 01.02.2019 19:37
The alkali metals (group 1) consist of lithium (3), sodium (11), potassium (19), rubidium (37), cesium (55), and francium (87). they are soft, metallic solids with low densities and low melting points. based on the data shown in figure 1, how many valence electrons do alkali metals share?
Answers: 3
You know the right answer?
During an exothermic chemical reaction,
a. a system becomes warmer, and the chemical substanc...
Questions
question
Biology, 25.04.2020 03:17
question
Mathematics, 25.04.2020 03:17
Questions on the website: 6596944