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
bogdanovich [222]
3 years ago
8

Which statement describes the energy changes that occur as bonds are broken and formed during a chemical reaction? 1.Energy is a

bsorbed when bonds are both broken and formed. 2.Energy is released when bonds are both broken and formed. 3.Energy is absorbed when bonds are broken, and energy is released when bonds are formed. 4.Energy is released when bonds are broken, and energy is absorbed when bonds are formed.
Chemistry
1 answer:
Snowcat [4.5K]3 years ago
6 0

Answer:

C

Explanation:

Br + Br-> Br2 (covalent bond)

bond formation releases energy, as the Br's are in a lower energy state like Br2

You might be interested in
Energy can be .................. From one form to another................. Can be burned to make heat or electricity.
nataly862011 [7]

Answer:

transferred

Energy

Explanation:

Energy is the ability to change the state of bringing about a work leading to movement or generating electromagnetic radiation. There are actually many forms of energy. So, kinetic energy is a form of energy related to the movement of a body. The combustion, in turn, retrieves the potential energy chemical contained in fuels. Solar panels capture light energy to transform it into electrical energy.

3 0
3 years ago
You have 35 ml of water and u drop a rock in so now it is 40ml of water what is the volume of the rock
Soloha48 [4]
Okay
40ml-35ml=5ml
5ml is the volume of the rock
1ml=1cm3
hence the volume of the rock is 5cm3
3 0
3 years ago
How many atoms are in 165 g of calcium?
Whitepunk [10]
Atomic mass Calcium = 40.078 a.m.u

40.078 g ---------------- 6.02x10²³ atoms
165 g -------------------- ??

165 x ( 6.02x10²³) / 40.078 => 2.47x10²⁴ atoms

hope this helps!
4 0
2 years ago
Which is not a compound?Electrons spin in shells around the nucleus. The closest shell (n = 1) can contain a maximum of _____ el
melisa1 [442]

The closest shell (n = 1) can contain a maximum of 2 electrons.

6 0
3 years ago
A(n) _______ is an organic compound in which a carbonyl group is bonded to a nitrogen atom. (2 points)
sineoko [7]
A(n )amide is an organic compound in which a carbonyl group is bonded to a nitrogen atom. This is <span>usually regarded as derivatives of carboxylic acids in which the hydroxyl group has been replaced by an amine or ammonia.</span>
3 0
3 years ago
Read 2 more answers
Other questions:
  • The pH scale for acidity is defined by pH=−log10[H⁺] where [H⁺]is the concentration of hydrogen ions measured in moles per liter
    5·1 answer
  • What products would you expect from the reaction of ammonia and sulfuric acid in aqueous solution? 2nh3(aq)+h2so4(aq)→ ?
    11·1 answer
  • How many grams contained on 78.4 moles of neon
    13·2 answers
  • Calculate the mass of 1.25 moles of Al2(SO4)3
    11·2 answers
  • Plssss help asapp<br> will give brainliest!!!
    5·1 answer
  • How many number of orbitals are in Potassium (K)?<br><br> 1s^2 2s^2 2p^6 3s^2 3p^6 4s^1
    13·1 answer
  • Need help please I need to select one element for each following families on the periodic table
    14·1 answer
  • Compound C with molar mass 205gmol-1 , contains 3.758g of carbon , 0.316g of hydrogen and 1.251g of oxygen. Determine the molecu
    5·1 answer
  • Label the parts of the wave
    14·1 answer
  • How did old yellow die
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!