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Anarel [89]
2 years ago
5

If you dissolve 20 mL of flavor crystals into 250 mL of water to make lemonade, what volume of lemonade do you expect to have? W

hy?
Chemistry
1 answer:
Sidana [21]2 years ago
3 0
250ML.


as the crystals de solved they will not changed the volume of the water as now they are the water
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For example, while the flow of fluid through a tube or electricity through a network could be in a steady state because there is a constant flow of fluid or electricity, a tank or capacitor being drained or filled with fluid is a system in transient state, because it’s volume of fluid changes with time
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What's the difference between series and parallel circuit in table form?​
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Hey :)

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How is the mass of a compound related to its chemical formula
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2 years ago
A sample of dry gas weighing 2.1025 g is found to occupy 2.850 L at 22.0oC and 740.0 mm Hg. How many moles of gas are present?
soldi70 [24.7K]

0.11 moles of the gas are present in the sample of dry gas.

Explanation:

Data given:

mass of the gas  = 2.1025 grams

volume of the gas = 2.850 litres

temperature =  22 degrees (273.15+22) = 295.15 K

Pressure = 740 mm Hg or 0.973 atm

moles of the gas =?

R = 0.08206 atmL/Mole K

From the ideal gas law the number of moles can be calculated in the sample of dry gas. Number of moles will be determined by the pressure exerted, volume and temperature of the gas.

The formula:

PV = nRT

n = \frac{PV}{RT}

putting the values in the above equation:

n = \frac{2.850 x 0.973}{0.08206 X 295.15}

  = 0.11 moles

0.11 moles of the dry gas is present in the sample given.

4 0
3 years ago
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Answer:

A

Explanation:

We are usually asked to close the valve of the gas cylinder in our various kitchens at home <u>due to the inflammable property of the Liquified Petroleum Gas.</u>

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The correct option is A.

4 0
2 years ago
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