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VladimirAG [237]
3 years ago
9

Which of the following are chemicals? clothing food fuels all of the above

Chemistry
2 answers:
ipn [44]3 years ago
6 0

the answer is all of the above.

wariber [46]3 years ago
4 0
All of the above i think
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Is mixing butter, granulated sugar, and brown sugar until it's creamy a physical or chemical change and why
Nadusha1986 [10]

Answer:

Physical

Explanation: Because it says "Until creamy" meaning you're changing the look, not the way it reacts with each other.

8 0
3 years ago
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What type of reaction is BaI^2+H^2SO^4 2H+BaSO^4
anyanavicka [17]

Answer:  It is a Double Displacement(Replacement) Reaction.

Explanation:

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The conversion of co2 and h2o into organic compounds using energy from light is called
Fed [463]
The answer you're looking for is photosynthesis
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A sample of methane (CH4) has a volume of 25 mL at a pressure of 0.80 atm. What is the volume of the gas at each of the followin
Xelga [282]

Answer:

a. 50ml b.10ml c. 6.097ml d. 190.1 ml

Explanation:

According to Boyle's law

Volume is inversely proportional to pressure at constant temerature

Mathematically

P1V1=P2V2

P1=Initial pressure=0.8atm

V1=Initial volume=25ml

making V2 the subject

at 0.4atm P2=0.4 atm,

V2=25×0.8/0.4

=50ml

at 2 atm V2=25×0.8/2

=10 ml

1mmHg=0.00131579

2500mmHg=3.28 atm

At 3.28 atm,V2=25×0.8/3.28

=6.097 ml

at 80.0 torr

1 torr=0.00131579

80 torr=0.1052 atm

at 0.1048 atm V2=25×0.8/0.1048

=190.1 ml

4 0
3 years ago
Calculate the molarity (M) of a 600 ml solution of 0.54 moles of H2SO4.
icang [17]
Molarity (concentration) can be calculated by the equation:
Concentration = moles / volume in L = 0.54 mol / 0.6 L = 0.9 M
Hope this helps!
8 0
4 years ago
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