2 years ago

When 18.0 g H20 is mixed with 33.5 g Fe, which is the limiting reactant?

Chemistry

1 answer:

solmaris [256]2 years ago

7 0

Answer:

si.mple fe

Explanation:

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Balance the following chemical

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Answer:

2FeBr3 + 3Na2S ➡️ Fe2S3 + 6NaBr

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3 years ago

Which of the first 20 elements in a Periodic table has atoms with the greatest mass?

Rainbow [258]

Calcium has the greatest mass of the first twenty elements with a mass of approximately 40.08

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1 year ago

calculate the mass of 120cc nitrogen present at STP. how many number of molecules are present in it?

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Answer:

$0.15008\ \text{g}$

$3.23\times 10^{21}$

Explanation:

1 mol of nitrogen at STP = 22.4 L = 22400 cc

n = Mol of $N_2$ = $\dfrac{120}{22400}=0.00536\ \text{mol}$

M = Molar mass of $N_2$ = $28\ \text{g/mol}$

$N_A$ = Avogadro's number = $6.022\times 10^{23}\ \text{mol}^{-1}$

Mass of $N_2$ is

$m=nM\\\Rightarrow m=0.00536\times 28\\\Rightarrow m=0.15008\ \text{g}$

Mass of the nitrogen is $0.15008\ \text{g}$

Number of molecules is given by

$nN_A=0.00536\times 6.022\times 10^{23}=3.23\times 10^{21}\ \text{molecules}$

The number of molecules present in it are $3.23\times 10^{21}$

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2 years ago

A mineral is made from what in the ground

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<span>Minerals are solid substances that occur naturally. They can be made from a single element (like gold or copper) or from a combination of elements.</span>

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2 years ago

Given the reaction: 3() + () → 3() + 2()

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Answer:

i think d is the answer for this

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