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Anna11 [10]
3 years ago
14

Suppose you are given samples of pentane, 2,2-dimethylpropane, 2-methylbutane and hexane. how you would go about determining whi

ch substance had the highest boiling point.​
Chemistry
1 answer:
Annette [7]3 years ago
7 0

Answer:

Addiction

Explanation:

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You perform an experiment using two bean seeds planted in identical soil. one seed is kept in a window, where it receives a lot
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How many moles of water are made from complete reaction of 2.2 moles of oxygen gas with hydrogen gas? Given the reaction: 2H2 +
nadezda [96]

Answer : The number of moles of water produced are, 4.4 moles.

Explanation : Given,

Moles of oxygen gas = 2.2 moles

The given chemical reaction is:

2H_2+O_2\rightarrow 2H_2O

By the stoichiometry we can say that, 2 moles of hydrogen gas react with 1 mole of oxygen gas to give 2 moles of water as a product.

From the balanced chemical reaction we conclude that,

As, 1 mole of oxygen gas react to give 2 moles of water.

So, 2.2 mole of oxygen gas react to give 2.2\times 2=4.4 moles of water.

Thus, the number of moles of water produced are, 4.4 moles.

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3 years ago
Which part of a circuit changes electrical energy into another form of energy
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How many grams of O2 are required for the complete reaction of 45.0g of CH4 to form CO2 and H2O?
Wewaii [24]

Answer: 90 g O2

Explanation: soution attached:

Balance first the chemical equation

CH4 + O2 => CO2 +2H2O

Convert mass of CH4 to moles

Use the mole ratio of CH4 and O2 from the balanced equation.

Convert moles of O2 to mass using the molar mass of O2.

6 0
3 years ago
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