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
zvonat [6]
3 years ago
7

Which of the following describes an exothermic reaction?

Chemistry
1 answer:
Semmy [17]3 years ago
7 0

Answer:

the answer is option D

Explanation:

exothermic reaction takes place when the energy required to break the bonds in the reactants is less than the energy released when new bonds are formed in the products.

You might be interested in
In the laboratory you dissolve 15.9 g of barium chloride in a volumetric flask and add water to a total volume of 375 ml. what i
ASHA 777 [7]
<span>There are a number of ways to express concentration of a solution. This includes molarity. Molarity is expressed as the number of moles of solute per volume of the solution. So, we calculate as follows:

Molarity =  15.9 g BaCl2 ( 1 mol / 208.23 g ) / .375 L = 0.204 mol / L</span>
5 0
3 years ago
What is the answer ??z???????​
mihalych1998 [28]

Answer:

Females

Explanation:

Hope that helps

4 0
3 years ago
Read 2 more answers
Uranium and ________ are needed to run a nuclear reactor.
Ede4ka [16]
Water.  The energy from the fission reaction is used to heat water.  The water vaporizes which causes pressure rise.  The pressure is used to drive a turbine which runs a generator.
I hope this helps.
7 0
3 years ago
Type the correct answer in each box.
BARSIC [14]

Answer:

mg3n2 and cacl3 hope it helps

4 0
3 years ago
Plz helpppp for 23 points !!
IRINA_888 [86]

Answer:

I think E and H

Explanation:

8 0
3 years ago
Other questions:
  • The element phosporus is located to the right of the element magnesium along the same period in the periodic table. Which best d
    8·2 answers
  • How do you perform calculations relating to isotopes. describe please
    7·1 answer
  • The potential energy diagram shows the gain and loss of potential energy as water molecules decompose into hydrogen and oxygen.
    12·1 answer
  • Please help, due tomorrow! ツ
    8·1 answer
  • What is the symbol for the ion that contains 12 protons, 10 electrons, and 12 neutrons?
    6·1 answer
  • What is relative point​
    11·2 answers
  • Which element is least metallic?<br><br> zinc<br> iron<br> cadmium<br> silver
    11·2 answers
  • No links.
    12·1 answer
  • A ball was kicked by a player, the ball was stationary, then it gains a velocity of 5 m/s North. Did the ball accelerate or no?
    13·1 answer
  • How many neurons does atom in the model shown below have<br> a.2<br> b.9<br> c.10 <br> d.16
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!