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
MrMuchimi
3 years ago
5

Think of the different types of reactions you have learned about. How can you tell if they absorb energy or release energy, and

at the molecular level, how are they different?​
Chemistry
1 answer:
Leokris [45]3 years ago
6 0

Answer:

well the reactions are probably wow and amazed

You might be interested in
(NEED HELP ASAP) Which statement best describes a key difference between a solar and lunar eclipse?
Ira Lisetskai [31]

Answer:

a

Explanation:

3 0
3 years ago
Consider the following system at equilibrium where H° = 111 kJ/mol, and Kc = 6.30, at 723 K.
Rashid [163]

Answer:

1) The value of Kc:

C. remains the same.

2) The value of Qc:

A. is greater than Kc.

3) The reaction must:

B. run in the reverse direction to restablish equilibrium.

4) The concentration of N2 will:

B. decrease.

Explanation:

Hello,

In this case, by means of the Le Chatelier's principle which is based on the shift a chemical reaction could have under some modifications, we have:

1) The value of Kc:

C. remains the same, since it just depend the reaction's thermodynamics as it is computed via:

ln(K)=\frac{\Delta _RG}{RT}

2) The value of Qc:

A. is greater than Kc, since the reaction quotient is:

Qc=\frac{[N_2][H_2]^3}{[NH_3]^2}

Thus, the lower the concentration of ammonia, the higher Qc, making Qc>Kc.

3) The reaction must:

B. run in the reverse direction to restablish equilibrium, since ammonia was withdrawn and should be regenerated to reach the equilibrium.

4) The concentration of N2 will:

B. decrease, since less reactant is forming the products.

Best regards.

8 0
4 years ago
Read 2 more answers
Which of the Atoms shown has an atomic number four
dimulka [17.4K]

Answer:

B

Explanation:

Atomic # = Protons

it says 4 p in the inside of the orbital

4 0
3 years ago
6.0 g of copper was heated from 20 degree c to 90 degree c . How much energy was used to heat cu?
Darina [25.2K]
Copper heat capacity would be <span>0.385J/C*gram which means it needs 0.385 Joule of energy to increase 1 gram of copper temperature by 1 Celcius. The calculation would be:
energy= heat capacity *mass * temperature difference
energy= </span>0.385J/C*gram * 6g * (90-20)
<span>energy= 161.7J
 </span>
4 0
3 years ago
Photosynthesis in a plant is an example of which characteristic of living things?
lutik1710 [3]

Answer:

<h2><em><u>4. Ability to obtain and use energy</u></em></h2>
4 0
3 years ago
Other questions:
  • The Lewis structures of four compounds are given. In the first molecule sufur is the central atom. There are two oxygen atoms bo
    11·1 answer
  • The vapor pressure of water at 25 degrees Celsius is 23.8 torr, and the heat of vaporization of water at 25 degrees Celsius is 4
    7·1 answer
  • What is the resulting formula unit when magnesium and nitrogen bond
    7·2 answers
  • Which subatomic particle has negligible mass and travels around outside the nucleus?
    6·1 answer
  • The reaction system
    5·1 answer
  • Which of the following is an example of an epeirogenic process?
    10·1 answer
  • Is this statement true or false?<br><br> Gymnosperms reproduce using seeds, but angiosperms do not.
    13·1 answer
  • Consider the combustion of methane, CH4 :
    5·1 answer
  • Describe three properties of a frozen<br> fruit bar
    15·1 answer
  • Why it is important for humans to conserve freshwater?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!