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Strike441 [17]
4 years ago
4

Why does a solid change to liquid when heat is added?

Chemistry
2 answers:
horrorfan [7]4 years ago
5 0
<span>When heat is added to a substance, the molecules and atoms vibrate faster. As atoms vibrate faster, the space between atoms increases. The motion and spacing of the particles determines the state of matter of the substance. The end result of increased molecular motion is that the object expands and takes up more space</span>
musickatia [10]4 years ago
5 0
The answer is C the space between particles increases hope it helps
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tigry1 [53]

Answer:

Cloudy nights can be warmer than clear nights because clouds trap heat absorbed by Earth during daylight hours.

4 0
4 years ago
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How many liters of 2.5-M KOH solution can be prepared from 112g of KOH?
erica [24]

Answer:

Volume in litter = 0.8 L

Explanation:

Given data:

Mass of KOH = 112 g

Molarity of KOH = 2.5 M

Volume = ?

Solution:

Number of moles of KOH:

Number of moles = mass/ molar mass

Number of moles = 112 g/ 56 g/mol

Number of moles = 2 mol

Volume of KOH:

Molarity = number of moles / volume in litter

Volume in litter = number of moles  / Molarity

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6 0
4 years ago
If the rock is tossed in the ocean, will it’s mass change?
Y_Kistochka [10]

Answer:

no

Explanation:

if it hits the ocean it either floats or sinks depends what type of rock your tossing is it flat or is it not???

8 0
3 years ago
What is the mass of NaCl required to make 140 grams of a 12% solution of NaCl in water?
Makovka662 [10]

Answer:

C. 17 grams.

Explanation:

∵ mass % = [mass of solute/mass of solution] x 100.

mass of solute (NaCl) = ??? g & mass of solution = 140.0 g.

<em>∴ mass of NaCl = (mass %)(mass of solution)/100 </em>= (12.0)(140.0)/100 = <em>16.80 g ≅ 17.0 g.</em>

3 0
3 years ago
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What is an electrolytic cell?
Verizon [17]

Answer:

Hey mate here is your answer in short

Explanation:

An electrolytic cell uses electrical energy to drive a non-spontaneous redox reaction. An electrolytic cell is a kind of electrochemical cell. It is often used to decompose chemical compounds, in a process called electrolysis—the Greek word lysis means to break up.

hope it helps you ❣️

4 0
3 years ago
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