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3 years ago

What is the location on the surface direction above the earthquake focus called

1 answer:

6 0

An earthquake's focus is located along a fault beneath Earth's surface. The focus is the point within Earth where an earthquake starts. The epicenter is the location on the surface directly above the focus.

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If 3.0 g of NH3 reacts with 5.0 g of HCl, what is the limiting reactant?

ELEN [110]

<h2>Answer:HCl</h2>

Explanation:

$\text{number of moles}=\frac{\text{given mass}}{\text{molar mass}}$

For $NH_{3},$

$\text{given mass}=3g$

$\text{molar mass}=14+3=17g$

$n_{NH_{3}}=\frac{3}{17}=0.176$

For $HCl,$

$\text{given mass}=5g$

$\text{molar mass}=1+35.5=36.5g$

$n_{HCl}=\frac{5}{36.5}=0.136$

The reaction between $NH_{3}$ and $HCl$ is

$NH_{3}+HCl$ → $NH_{4}Cl$

So,one mole of $NH_{3}$ requires one mole of $HCl$

$0.176$ moles of $NH_{3}$ requires $0.176$ moles of $HCl$

But there are only $0.136$ moles of $HCl$ available.

$HCl$ will be consumed first.

So, $HCl$ is the limiting reagent.

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3 years ago

Which of the following solutions will behave closest to an ideal solution?

puteri [66]

The science part because the science is particularly of science

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3 years ago

Two parts that make up a solution are... what

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Answer: All solutions have two parts: the solute and the solvent. The solute is the substance that dissolves, and the solvent is the substance that dissolves the solute.
Hope that helps (:

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3 years ago

Pls help !! it’s a timed quiz answer

inysia [295]

There are 6 Nitrogen atoms

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3 years ago

What is the charge on an electron? -1 0 +1 -2

Mama L [17]

An electron has a negative charge of one

An neutron has no charge (hence, neutral)

An proton has a positive charge of one