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vodomira [7]
3 years ago
7

BRAINIEST!!!

Chemistry
2 answers:
Dominik [7]3 years ago
8 0

The answer is Biosphere

Montano1993 [528]3 years ago
8 0

Answer:

Cryoshpere

Explanation:

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Fe^2 O^3 + 6HCl --> 2FeCl^3 + 3H^2 O
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3 years ago
Which of the following causes a physical change in the shape of an object?
babunello [35]

Answer:

B

Explanation:

Heating a piece of iron until it glows.

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2 years ago
How is gas different from a liquid
satela [25.4K]
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3 years ago
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A 7.12 L cylinder contains 1.21 mol of gas A and 4.94 mol of gas B, at a temperature of 28.1 °C. Calculate the partial pressure
GenaCL600 [577]

Answer:

P_A=4.20atm\\\\P_B=17.1atm

Explanation:

Hello!

In this case, since the equation for the ideal gas is:

PV=nRT

For each gas, given the total volume, temperature (28.1+273.15=301.25K) and moles, we can easily compute the partial pressure as shown below:

P_A=\frac{n_ART}{V} =\frac{1.21mol*0.082\frac{atm*L}{mol*K}*301.25K}{7.12L} \\\\P_A=4.20atm\\\\P_B=\frac{n_BRT}{V} =\frac{4.94mol*0.082\frac{atm*L}{mol*K}*301.25K}{7.12L} \\\\P_B=17.1atm

Best regards!

8 0
3 years ago
Which of the following represents a 1.00 M (M = mol/dm3) aqueous solution of glucose (C6H12O6)?
irga5000 [103]
The answer would be c
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3 years ago
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