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SSSSS [86.1K]
3 years ago
5

The thermodynamic law that explains the movement of heat energy during the refrigeration cycle is the first/zeroth/second.

Chemistry
2 answers:
katrin [286]3 years ago
8 0
Second (there ya go, bud)
bonufazy [111]3 years ago
4 0
Second
is the answer to this queston
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What is the theoretical yield of vanadium, in moles, that can be produced by the reaction of 1.0 mole of V2O5 with 4.0 moles of
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Answer:

Theoretical yield of vanadium = 1.6 moles

Explanation:

Moles of V_2O_5 = 1.0 moles

Moles of Ca = 4.0 moles

According to the given reaction:-

V_2O_5_{(s)} + 5Ca_{(l)}\rightarrow 2V_{(l)} + 5CaO_{(s)}

1 mole of V_2O_5 react with 5 moles of Ca

Moles of Ca available = 4.0 moles

Limiting reagent is the one which is present in small amount. Thus, Ca is limiting reagent. (4.0 < 5)

The formation of the product is governed by the limiting reagent. So,

5 moles of Ca on reaction forms 2 moles of V

1 mole of Ca on reaction for 2/5 mole of V

4.0 mole of Ca on reaction for \frac{2}{5}\times 4 mole of V

Moles of V = 1.6 moles

<u>Theoretical yield of vanadium = 1.6 moles</u>

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4662 in grams

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How many 250 mg tablets of metronidazole are needed to make 150 ml of suspension containing 100 mg/ml?
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