2 years ago

What is the element Ar as in the periodic table

Chemistry

2 answers:

Gemiola [76]2 years ago

4 0

Ar stands for the element argon

kumpel [21]2 years ago

3 0

element argon is ar hope that simple answer helped sorry for no backround feed if its possible can you mark me as brainliest so i can rank up ty:)

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If an electron fell to a lower orbit or energy level, energy would be

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It would emit energy in most of the cases in form of light

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3 years ago

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Silicon carbide (SiC) is an important ceramic material made by reacting sand (silicon dioxide, SiO2) with powdered carbon at a h

makkiz [27]

Answer:

Percent yield of SiC is 77.0%.

Explanation:

Balanced reaction: $SiO_{2}+3C\rightarrow SiC+2CO$

Molar mass of SiC = 40.11 g/mol

Molar mass of $SiO_{2}$ = 60.08 g/mol

So, 100.0 kg of $SiO_{2}$ = $\frac{100.0\times 10^{3}}{60.08}$ moles of $SiO_{2}$ = 1664 moles of $SiO_{2}$

According to balanced equation, 1 mol of $SiO_{2}$ produces 1 mol of SiC

Therefore, 1664 moles of $SiO_{2}$ produce 1664 moles of SiC

Mass of 1664 moles of SiC = $(1664\times 40.11)g$ = 66743g = 66.74 kg (4 sig. fig.)

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3 years ago

Write a balanced chemical equation for the standard formation reaction of liquid chloroform (CHCI).

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 C^1H^1C^1I^1

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this seems already balanced

C = 1

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C = 1

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2 years ago

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Answer:

Explanation:

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LHS RHS

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