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guapka [62]
3 years ago
11

Suppose you were standing on scale in an elevator in free fall. What would the scale read?

Chemistry
1 answer:
Anestetic [448]3 years ago
6 0
0 because you would be floating at the top within seconds and also have fun with the sudden stop
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How many moles are in 234.4 grams of oxygen
uysha [10]

Answer:

7.325 mol.

Explanation:

use the formula n=m/mr

so that makes:

234.4/16*2

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An aqueous HCL solution has a proton concentration equal to 6.00 mol/L. The HCL concentration in this solution is ————M.
Harman [31]

Answer:

HCl conc.= 6.0mol/L

Explanation:

From the dissociation of HCl= 1 mole H+ and 1mol Cl-, which is equivalent stoichiometrically in concentration to that of 1 mol HCl,

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3.75 g of an unknown gas at 59 °C and 1.00 atm is stored in a 1.35-L flask. What is the molar mass of the gas?
MAXImum [283]
You need to find moles of the gas, so you would use the ideal gas law:
PV=nRT
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R= gas constant
Tenperature in Kelvin
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(3.75g/.050mol) = 75g/mol
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