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
Aleks [24]
3 years ago
12

MARKING BRAINLEIST + 20 POINTS Explain why energy must be added to a solid to cause it to melt?

Chemistry
1 answer:
GREYUIT [131]3 years ago
4 0

Energy is required to melt a solid because the cohesive bonds between the molecules in the solid must be broken apart so that the molecules can move around at comparable kinetic energies

You might be interested in
During a reaction, the enthalpy of formation of an intermediate is 34 kJ/mol.
galina1969 [7]

Since the enthalpy can be calculated from the heat of formation, the enthalpy is 136 kJ/mol.

<h3>What is enthalpy?</h3>

The enthalpy of a reaction is the heat that is lost or gained in that reaction. We know that the enthalpy can be calculated from the heat of  formation.

Thus, we can obtain the enthalpy of the reaction as 4 * 34 kJ/mol = 136 kJ/mol.

Learn more about enthalpy:brainly.com/question/13996238

#SPJ1

5 0
2 years ago
Please help me which one
mel-nik [20]
Non of the above because protons and neutrons don’t mix with each one there
3 0
2 years ago
A gamma ray primarily consists of pure energy and no mass. TRUE or FALSE
myrzilka [38]
This statement is true. 
6 0
3 years ago
Read 2 more answers
What is a pollinator?
AlexFokin [52]

It's A: an animal that transfers pollen from flower to flower.

Good Luck!

8 0
3 years ago
Read 2 more answers
How many electrons in an atom with the atomic number of 45
Sergio039 [100]

Answer:

Number of Protons: 45

Number of Neutrons: 58

Number of Electrons: 45

Explanation:

Have a nice day

4 0
3 years ago
Other questions:
  • What kind of bond is created by a weak electrical attraction between polar molecules
    6·2 answers
  • Tetraphosphorous decoxice (P4O10) reacts with water to produce phosphoric acid.
    15·1 answer
  • I need help so please help me
    12·1 answer
  • How many grams of Fe2O3 will be produced from 10.0 g of Fe and 7.00 g of O2?
    12·2 answers
  • What is the correct name for CaS04? (a) calcium sulfoxide (b) calcium sulfite (c) calcium sulfur oxide (d) calcium sulfate (e) c
    9·2 answers
  • The rate of a certain chemical reaction is directly proportional to the square of the concentration of chemical A present and in
    14·1 answer
  • Which of the following transfers carbon from the nonliving environment to the living environment?
    11·2 answers
  • How can you help your muscles stay healthy?<br> No links, If right I will mark Brainliest.
    6·2 answers
  • Solution: Will give brainliest
    8·1 answer
  • How to write 0.99966788 in scientific notation?
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!