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diamong [38]
3 years ago
5

Melted wax has a temperature of 54 deg. Celsius. Physical or chemical property?

Chemistry
1 answer:
zalisa [80]3 years ago
7 0

The melting of solid wax to form liquid wax and the evaporation of liquid wax to form wax vapor are physical changes. The burning of the wax vapor is a chemical change.

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Which product forms from the synthesis reaction between lithium (Li) and oxygen (O)?
Advocard [28]

Answer:

A Li2O

Explanation:

Li has a 1+ charge and O has a 2- charge so to balance the charges there needs to be 2 Li for every 1 O

5 0
3 years ago
A student asked to convert measurements from liters to mililiters and from mililiters to liters. His answers are shown in bold i
LenaWriter [7]

Answer:   3.6 L = 3600

Explanation: 3.6 L = 360 mL has a mistake. He multiplied by 100 instead of 1000.

5 0
4 years ago
Which statement is true about molecules and compounds?
OleMash [197]
I believe B is your answer.

Hope this helps! 
5 0
3 years ago
Read 2 more answers
Explain how you can use boyle's law to determine the new volume of gas when its pressure is increased from 270 kPa to 540 kPa? T
LUCKY_DIMON [66]
There are several information's already given in the question. Based on the information's the answer can be easily deduced. 

We know the formula

<span>P1*V1/T1 = P2*V2/T2
</span>
As the temperature is constant, so T1 and T2 can be negated. The formula changes to 
<span>P1*V1 = P2*V2
</span>70 * 1 = 540 * V2
270/540 = V2
<span>V2 = 0.5
</span>
From the above deduction, we can conclude that the new volume is 0.5 liters. I hope that the procedure is clear enough for you to understand.
7 0
4 years ago
The invisible spectrum contains all the colors of the rainbow.<br> A.)True<br> B.)False
frosja888 [35]

Answer:

False

Explanation:

We can see the colors of the rainbow, therefore they are visible.

3 0
3 years ago
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