1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
const2013 [10]
3 years ago
5

Describes changes in energy during a chemical reaction?

Chemistry
1 answer:
zysi [14]3 years ago
3 0

Answer:

Yes

Explanation:

Chemical reactions often involve changes in energy due to the breaking and formation of bonds. Reactions in which energy is released are exothermic reactions, while those that take in heat energy are endothermic.

You might be interested in
What is the missing number in the sequence 3,5,9,_,15,23,33
balu736 [363]

Answer:

In every sequence even numbers are added in order.

3, 5, 9, 15, 23, 33

6 0
3 years ago
Read 2 more answers
According to the law of conservation of mass, how does the mass of the products in a chemical reaction compare to the mass of th
grandymaker [24]
The masses are always equal. Since matter can not be created nor destroyed, you will have the same amount of mass as you did before the reaction as you do after. 
6 0
3 years ago
How many grams of copper (II) oxide will react with 10 liters of hydrogen gas?​
Svetradugi [14.3K]

Answer:

maybe 200g

I don't know thats just a guess

HOPE ITS TURE

8 0
3 years ago
A radioactive isotope of potassium (K) has a half-life of 20 minutes. If a 40.0 gram sample of this isotope is allowed to decay
Ivahew [28]

Answer: 2.5 grams

Explanation:

5 0
3 years ago
Read 2 more answers
Why do you think dark surfaces absorb radiation better than light surfaces?
laiz [17]

Your answer→ <em>The lighter side absorbs less of the incident light, reflecting some of the energy. Darker materials also emit radiation more readily than light-colored materials, so they cool faster.</em>

7 0
3 years ago
Other questions:
  • What does the Law of Conservation of Energy say?
    8·1 answer
  • What was the half-life of a new isotope?
    14·1 answer
  • What are the three states in which most matter occurs
    13·2 answers
  • Which of the following statements is true?
    6·1 answer
  • Which of the following molecules is nonpolar?
    11·1 answer
  • Mass is an intensive physical property because it is dependent on the size of the sample.
    5·2 answers
  • A chemist has 2.0 mol of methanol (CH3OH). The molar mass of methanol is 32.0 g/mol. What is the mass, in grams, of the sample?
    7·2 answers
  • Jose’s lab instructor gives him a solution of sodium phosphate that is buffered to a pH of 4. Because of an error that he made w
    11·1 answer
  • Inquiry Extension Consider a reaction that occurs between solid potassium and chlorine gas. If you start with an initial mass of
    11·1 answer
  • Which element has a larger atomic radius than sulfur?
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!