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Crank
3 years ago
11

Explain how burning a candle is an example of both physical and chemical changes.

Chemistry
1 answer:
shepuryov [24]3 years ago
6 0
If you burn a candle, it's mass will decrease. If that's the case you have changed a physical property of the candle.

Burning anything is always a chemical change Gasoline ( a hydrocarbon) burns in oxygen to produce water and carbon dioxide.
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Use the big bang theory to explain why scientists do not expect to find galaxies that have large blue shifts.
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The most common cooling mechanism for cloud formation is ________.
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8 0
3 years ago
What substance is added during hydrolysis in order to break down food macromolecules?
TEA [102]
Hey there! :D

Look at the word hydrolysis. Hydro= water Lysis = split. (Root words) 

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~kaikers
3 0
3 years ago
Read 2 more answers
I NEED HELP ASAP !
Lana71 [14]

Answer:

1.

643.21g  1 mol  6.022^23

262.87 g   1 mol

= 1.4735E24     [Mg3(PO4)2]

2.

4.061x10^24          1mol                22.4 (L)  

6.022^23       1mol

= 151 liters H2O2

3.

479.3g   1 mol   6.022^23

18.02g    1mol

= 1.60E25 H20 atoms

4.

80.34L   1mol       164.1

22.4L       1mol

588.6g   Ca(NO3)2

5.

893.7g   1mol       22.4

44.01g   1mol

= 427 L CO2 or 427.4

6.

5.39 x 10^25     1mol     78.01

6.022^23    1mol

= 6980g Al(OH)3

hope this helps!! :)

8 0
2 years ago
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