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const2013 [10]
3 years ago
15

In a chemical reaction, one of the chemical reactants is present in______ to make sure that the limiting reagent is completely c

onsumed.​
Chemistry
1 answer:
Nata [24]3 years ago
8 0

Answer: excess

Explanation: i guesses and got the answer right

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Answer:

a)  After the balloon inflated after 440 uL of dropwise due to the reaction of 1-Decene and the solution in the conical vial. b) 4NaBH_{4} + 2HCl + 7H_{2}O ⇒ 16H_{2(g)}+ 2NaCl + Na_{2}B_{4}O_{7} c) No H_{2} was not the limiting reactant.

Explanation:

Generally, hydrogenation is the chemical reaction between a compound or element and molecular hydrogen in the presence of catalysts such as platinum.

a) After the balloon inflated after 440 uL of dropwise 1-Decene solution was added due to the reaction between 1-Decene and the solution in the conical vial.

b)  4NaBH_{4} + 2HCl + 7H_{2}O ⇒ 16H_{2(g)}+ 2NaCl + Na_{2}B_{4}O_{7}

c) H_{2} was not the limiting reactant based on the mol to mol ratio of H_{2} and decane which is 1:1. Therefore, if 0.8 mol of decane was produced then 0.8 mol of H_{2} would also be produced.

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3 years ago
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Helga [31]

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the anwser would be B obtain energy

Explanation:

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Why does common table salt (NaCl) have a high melting point?
schepotkina [342]
The correct answer is c
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I took the test

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