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3 years ago

PLEASE HELPP!!

Chemistry

1 answer:

Ivanshal [37]3 years ago

5 0

Answer:

Answer: The correct answer is Option B.

Explanation:

To calculate the number of moles, we use the equation:

\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}Number of moles=Molar massGiven mass ....(1)

For N_2N2 :

Given mass of nitrogen gas = 10 g

Molar mass of nitrogen gas = 28 g/mol

Putting values in above equation, we get:

\text{Moles of iron oxide}=\frac{10g}{28g/mol}=0.357molMoles of iron oxide=28g/mol10g=0.357mol

The given chemical reaction follows:

N_2+O_2\rightarrow 2NON2+O2→2NO

As, oxygen gas is present in excess. Thus, it is considered as an excess reagent and nitrogen is considered as a limiting reagent because it limits the formation of products.

By Stoichiometry of the reaction:

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What happens when The vapour obtained by dropping conc. H2SO4 in a mixture of KI and MnO2 is treated with hypo solution

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Hot water enters a double-pipe counter-flow water-to-oil heat exchanger at 220°7 and leaves a 100°F. Oil enters at 70°F and leav

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Answer:

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Explanation:

Part 1:

In order to know which fluid has the smaller heat capacity we need to consider the heat equation below:

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Part 2:

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Th2: final temperature of the hot

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