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Stels [109]
3 years ago
5

Name two drying agents that can be use to dry hydrogen gas​

Chemistry
1 answer:
natulia [17]3 years ago
4 0
CaCl2, Na2SO4, MgSO4 are three drying agents that can be used to dry hydrogen gas
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How many moles of water can be formed from 0.57 moles of hydrogen gas?
BartSMP [9]

Answer:

0.57 water

Explanation:

To solve this problem, we need to write the reaction expression first.

The reactants are oxygen gas and hydrogen gas.

They react to give a product of water

       2H₂    +    O₂   →   2 H₂O  

Given that;

Number of moles of hydrogen gas = 0.57moles

From the balanced reaction expression;

       2 moles of hydrogen gas produces 2 moles of water

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3 years ago
A mixture of He and Ne at a total pressure of 0.95 atm is found to contain 0.32 mol of He and 0.56 mol of Ne. The partial pressu
dangina [55]

Answer:

Partial pressure of Ne is 0.61 atm.

Explanation:

Mole fraction of a gas (x) in mixture = (no. of moles of the gas in mixture)/(total no. of moles of gases in mixture)

Here, total no. of moles of gases = (0.32 + 0.56) moles = 0.88 moles

So, mole fraction of Ne in mixture, x_{Ne}=\frac{0.56}{0.88}=0.64

Let's assume both He and Ne along with their mixture behaves ideally,

Hence, in accordance with Dalton's law of partial pressure-

                     P_{Ne}=x_{Ne}\times P_{total}

Where, P_{Ne} and P_{total} are partial pressure of Ne and total pressure respectively.

So,  P_{Ne}=(0.64)\times (0.95atm)=0.61atm

So, partial pressure of Ne is 0.61 atm.

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What is the scientist's next step, if the experiment shows that the scientist's hypothesis is false? (4 points)
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Metallic or nonmetallic elements or compounds of elements that occur naturally in earth's crust are
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