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BlackZzzverrR [31]
2 years ago
7

HELP ASAP How many millimeters of mercury pressure does a gas exert at 3.16 atm?

Chemistry
2 answers:
Georgia [21]2 years ago
0 0

The conversion factor is 760 mmHg/atm.

3.1 atm * 760 mmHg/atm = 2356 m

azamat2 years ago
0 0
3.1=2356 is the millimeters amount
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Suppose a layer of oil is on the top of a beaker of water. Water in many oils is slightly soluble, so its concentration is so lo
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Explanation:

It is given that energy to transfer one water molecule is 2.208 \times 10^{-20} J/molecule

As it is known that in 1 mole there are 6.022 \times 10^{23} atoms.

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As,    log \frac{k_{2}}{k_{1}} = \frac{E_{a}}{2.303 \times 8.314 atm L/mol K} \times \frac{T_{2} - T_{1}}{T_{1}T_{2}}

Putting the given values in the above formula as follows.

                log \frac{k_{2}}{k_{1}} = \frac{E_{a}}{2.303 \times 8.314 atm L/mol K} \times \frac{T_{2} - T_{1}}{T_{1}T_{2}}

               log \frac{k_{2}}{k_{1}} = \frac{13.3 kJ/mol}{2.303 \times 8.314 atm L/mol K} \times \frac{293 K - 283 K}{283K \times 293 K}

                  log \frac{k_{2}}{k_{1}} = 0.08377

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How many molecules of water are needed to completely hydrolyze a polymer that is 11 monomers long?
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Salt in crude oil must be removed before the oil undergoes processing in a refinery. The
irina1246 [14]

Answer:

\large \boxed{0.64 \, \%}

Explanation:

Assume you are using 1 L of water.

Then you are washing 4 L of salty oil.

1. Calculate the mass of the salty oil

Assume the oil has a density of 0.86 g/mL.

\text{Mass of oil} = \text{4000 mL} \times \dfrac{\text{0.86 g}}{\text{1 mL}} = \text{3440 g}

2. Calculate the mass of salt in the salty oil

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3. Calculate the mass of salt in the spent water

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4. Mass of salt remaining in washed oil

Mass = 172 g - 150 g = 22 g  

5. Concentration of salt in washed oil

\text{Concentration} = \dfrac{\text{22 g}}{\text{3440 g}} \times 100 \, \% = \mathbf{0.64 \, \%}\\\\\text{The concentration of salt in the washed oil is $\large \boxed{\mathbf{0.64 \, \%}}$}

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2 years ago
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