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
bazaltina [42]
3 years ago
5

Explain how energy can be absorbed in a chemical reaction

Chemistry
1 answer:
bonufazy [111]3 years ago
5 0

Answer:

Energy is used to break bonds in reactants, and energy is released when new bonds form in products. ... In other chemical reactions, it takes more energy to break bonds in reactants than is released when bonds form in products. These reactions, called endothermic reactions, absorb energy.

Explanation:

You might be interested in
7. Assume that you have collected 867 L of nitrogen gas at STP. What is the mass of the nitrogen gas?
jekas [21]

Answer:

1083.6 g

Explanation:

At STP, 1 mol of any given mass will occupy 22.4 L.

With the information above in mind we can<u> calculate how many moles of nitrogen gas (N₂) are there in 867 L</u>:

  • 867 L ÷ 22.4 L/mol = 38.7 mol

Finally we convert 38.7 moles of N₂ into grams, using its molar mass:

  • 38.7 mol * 28 g/mol = 1083.6 g
6 0
3 years ago
Which subatomic particle is electrically neutral and found in the nucleus of an atom?
tangare [24]
The neutron is electrically neutral.
5 0
3 years ago
Which describes any substance that shatters or breaks easily? malleable brittle volatile ductile
swat32

Answer:

b

Explanation:

ididthetest

5 0
3 years ago
Read 2 more answers
What is ppm?
elena-s [515]

Answer:

What does ppm mean? This is an abbreviation for "parts per million" and it also can be expressed as milligrams per liter (mg/L). This measurement is the mass of a chemical or contaminate per unit volume of water. Seeing ppm or mg/L on a lab report means the same thing.

that is all i have to say.

4 0
3 years ago
Which of the following is not a base?
amid [387]
Ethanol is not a base
3 0
4 years ago
Read 2 more answers
Other questions:
  • How does heart failure affect the body?
    10·2 answers
  • 20. How are photosynthesis and cellular respiration related? How are they different?
    11·1 answer
  • HOW DO YOU GET ANY THING YOU WANT PLS
    9·2 answers
  • When hydrogen is burned in oxygen to form water, the composition of water formed does not depend on the amount of oxygen reacted
    13·2 answers
  • The first step in the process used to recover zinc metal from zinc sulfide ore is the reaction of zinc sulfide with oxygen gas t
    11·1 answer
  • Three bulbs are connected by tubing, and the tubing is evacuated. The volume of the tubing is 37.0 mL. The first bulb has a volu
    12·1 answer
  • Group I (the alkali metals) includes lithium (Li), sodium (Na), and potassium (K). These elements have similar chemical properti
    7·1 answer
  • How would a mutation affect how DNA is eventually read when it forms a protein
    14·2 answers
  • What is the [H] in a solution with a pH of 9.92
    15·1 answer
  • 9. Which practice has been able to save some organisms from extinction?
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!