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myrzilka [38]
2 years ago
10

Please help and thank you

Chemistry
2 answers:
Natasha2012 [34]2 years ago
8 0

Answer: Its c

Explanation: i did it

mestny [16]2 years ago
6 0

Answer:

c but not sure

Explanation:

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which person possessed the expeirence and to be commander in chief and continental army, in John Adams opinion?
sasho [114]
George Washington is your answer


Hope this helps!
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2 years ago
4 NH3(g) + 5O2(g) → 4NO(g) + 6H2O(g)
Mariulka [41]

Answer:

0.9 moles of water

Explanation:

Use mole ratios:

5 : 6

divide by 5 on both sides

1 : 1.2

multiply by 0.75 on both sides

0.75 : 0.9

So the result is 0.9 moles of water

(Please correct me if I'm wrong)

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2 years ago
Which element when combined with fluorine would form a ionic compound
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8 0
3 years ago
How many grams of water can be produced when 11.7 moles of ethane (C2H6) react with excess oxygen gas?
Elina [12.6K]

Answer: 631.8 g

Explanation:

2C_2H_6+7O_2\rightarrow 4CO_2+6H_2O

It can be seen from the balanced chemical equation, 2 moles of ethane reacts with 7 moles of Oxygen gas to produce 4 moles of carbon dioxide and 6 moles of water.

Ethane is the limiting reagent as it limits the formation of product.

Thus, if  2 moles of ethane produce 6 moles of water.

11.7 moles moles of ethane produce=\frac{6}{2}\times 11.7=35.1 molesof water.

Mass of water= no of moles\times Molar mass

Mass of water= 35.1\times 18g/mol= 631.8 g

4 0
3 years ago
Read 2 more answers
2. Which is NOT true? Higher temperatures are indications of higher average kinetic energy. Temperature is a measure of the aver
kirza4 [7]

"As the molecules in a sample move faster the temperature reading will be lower" is not true.

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3 years ago
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