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Arte-miy333 [17]
3 years ago
15

As a phase change occurs when energy is removed or added to a system, the temperature of the substance stays constant because

Chemistry
1 answer:
Rashid [163]3 years ago
5 0

Answer:

energy is being used to make or break bonds between molecules

Explanation:

if correct please consider brainliest

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During oxidation what happen
Agata [3.3K]
Oxidation is when a substance gains oxygen molecules. For example when hydrogen reacts with oxygen it forms H₂O. The H₂ has been oxidised.
4 0
3 years ago
Determine the number of hydrogen atoms in the following compound 3Cu(C2H3O2)2
Charra [1.4K]

Answer:5

Explanation:(H3) is 3 (H3)2 is 5

6 0
3 years ago
1. How much 6.0 M HNO3 is needed to neutralize 39 mL of 2.0 M KOH?
quester [9]

Answer:

For 2. the answer is 15.0 mL

For other examples, you can solve by exact way as I have solved the 2nd example.

I have writen down all the balanced chemical reaction equation for examples 1, 3, 4, 5 for you. ( picture 2 )

Explanation:

Please see the step-by-step solution in the picture attached below.(picture 1)

Hope this answer can help you. Have a nice day!

6 0
3 years ago
A gas has a volume of 240 mL and a pressure of 0.99 atm. If the pressure is decreased to 0.951 atm, what is the new volume of th
irakobra [83]

V2 = 250 ml

Explanation:

Given:

P1 = 0.99 atm. V1 = 240 ml

P2 = 0.951 atm. V2 = ?

We can use Boyle's law to solve for V2

P1V1 = P2V2

V2 = (P1/P2)V1

= (0.99 atm/0.951 atm)(240 ml)

= 250. ml

6 0
3 years ago
What are the values of the missing forces?
bija089 [108]
A: 12 N
B: 150 N
C: 100 N
D: 150 N
E: 220 N
5 0
3 years ago
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