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
UNO [17]
3 years ago
11

2. How do chemical reactions involve energy?

Chemistry
1 answer:
Vesnalui [34]3 years ago
6 0

Answer: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. exothermicA description of a chemical reaction that releases heat energy to its surroundings.

You might be interested in
How many milliliters are in 458 liters?
Lemur [1.5K]

Answer:

458000

Explanation:

4 0
3 years ago
Read 2 more answers
If only 65.2 g of zinc (II) chloride is obtained, what is the percent yield from the reaction?
CaHeK987 [17]

Answer:

can I become your friend

6 0
3 years ago
A solution is made by adding 200 g table salt to 1
pochemuha

We say that the solution is unsaturated.

Explanation:

If the salt solubility is 36 g in 0.1 L of water then we can dissolve 360 g of salt in 1 L of water.

Because the solution contains 200 g of salt in 1 L of water, the solution is unsaturated because more salt can be added until we reach the saturation point.

We call the solution dilute when we compare the concentration of a solution with the concentration of another solution, but here we do not compare different solutions.

Learn more about:

solubility

brainly.com/question/9126711

#learnwithBrainly

7 0
4 years ago
Read 2 more answers
What is the earth’s convention currents responsible for?
netineya [11]
Convection currents in the magma drive plate tectonics. Heat generated from the radioactive decay of elements deep in the interior of the Earth creates magma (molten rock) in the aesthenosphere. Theaesthenosphere (70 ~ 250 km) is part of the mantle, the middle sphere of the Earth that extends to 2900 km.
4 0
4 years ago
Which property or properties can change when the pressure of a gas changes?
inn [45]

Answer: This law states that the volume and temperature of a gas have a direct relationship: As temperature increases, volume increases, when pressure is held constant. Heating a gas increases the kinetic energy of the particles, causing the gas to expand

Explanation:

3 0
3 years ago
Other questions:
  • Nitrogen dioxide, NO2(g) (Delta.Hf = 33.84 kJ/mol), is decomposed according to the following reaction:
    14·2 answers
  • The element chlorine (Cl) has 17 protons and 17 electrons. What happens to an atom of chlorine (Cl) if it gains an electron?
    10·2 answers
  • Members of which group easily lose an electron to form a +1 cation?
    14·2 answers
  • What 3 things must occur for a reaction to successfully take place
    15·1 answer
  • Scott and James work at a grocery store. After the grocery
    11·1 answer
  • Looking at a potential energy diagram what is the name given to represent the amount of energy given off during an exothermal re
    10·1 answer
  • Why shouldn't you look at burning magnesium ribbon?
    10·1 answer
  • 3NO2 + H2O = 2 HNO3 + NO
    14·1 answer
  • A common asteroid is in the first photograph. Haley's Comet is in the second photograph. What can be inferred about comets and a
    10·1 answer
  • You decide to clean the bathroom. You notice that the shower is covered in a strange green slime. You decide to try to get rid o
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!