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
Lubov Fominskaja [6]
3 years ago
6

How is heat produced in a chemical change​

Chemistry
1 answer:
Snezhnost [94]3 years ago
7 0

Answer:Hola UwU

Most chemical reactions involve the breaking and formation of chemical bonds. It takes energy to break a chemical bond but energy is released when chemical bonds are formed. If more energy is released than consumed, then the chemical reaction evolves heat and is said to be exothermic.

Explanation:Adios~ UnU haha

You might be interested in
In a solution of salt and water blank is the solvent
Greeley [361]

Water is the solvent

6 0
3 years ago
Why do we perform an experiment?
7nadin3 [17]

Answer:

Experiment plays many roles in science. One of its important roles is to test theories and to provide the basis for scientific knowledge. It can also call for a new theory, either by showing that an accepted theory is incorrect, or by exhibiting a new phenomenon that is in need of explanation.

Explanation:

6 0
3 years ago
Read 2 more answers
How many molecules are in 3 moles of NaCl?
PtichkaEL [24]

Answer:

Given : No. Of moles = 1.5

To calculate : no. Of molecules =N

We know that moles = N / 6.022 x 10²³

Therefore, 1.5 x 6.022 x 10²³ = N

Hence N = 9.0330x 10²³ molecules

3 0
3 years ago
Which elements consists of a metal a matalloid and a noble gas
maw [93]
The answer is sodium silicon and argon
4 0
3 years ago
100 Points Will Make Brainliest. Help Me Please.
Oksana_A [137]

If the glasses and glove were wrong then I would chose the fire extinguisher and the power source should be the correct answer.

That's just what I would do though.

3 0
3 years ago
Read 2 more answers
Other questions:
  • Can someone help me solve all of these problems? (Will give brainliest and a heart)
    5·1 answer
  • When the pressure that a gas exerts on a sealed container changes from 22.5 psi to psi the temperature changes from 110 c to 65.
    14·1 answer
  • An empty 3.00 l bottle weighs 1.70 kg. filled with a certain wine, it weighs 4.72 kg. the wine contains 11.5% ethyl alcohol, c2h
    12·1 answer
  • 12. Contrast the movement of charges in a
    9·1 answer
  • What is caused by the heating and coolingof the earth
    7·1 answer
  • 2. Al reaccionar el sodio con el cloro para formar cloruro de sodio lo hacen siempre
    15·1 answer
  • Solution A has a pH of 3, and solution B has a pH of 5. Which statement best
    9·1 answer
  • Please do for 30 points its due today. <br><br> ( if you waste my points i will report.)
    11·1 answer
  • What is extensibility?​
    15·1 answer
  • How should the ph of a 0.1 m solution of nac2h3o2 compare with that of a 0.1 m solution of kc2h3o2?
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!