Water is known as the 'universal solvent' because:

1 answer:

7 0

The best answer is the second statement. It is considered as a universal solvent since most substances dissolve in water. And comparing it to other liquids, it is the one who dissolves a wide range of substances. Also, it is an important substance for every living thing.

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How many moles are in 3.46 g of chromium?

Bezzdna [24]

Answer:

0.06654345229738384 moles of chromium.

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3 years ago

If gas is initially at 350L and 500k then changes to 295K what is the new volume

Dimas [21]

<h2>Hello!</h2>

The answer is:

The new volume is equal to 206.5 L.

To solve this problem, we need to assume that the pressure is constant, and use the Charle's Law equation, so, solving we have:

$\frac{V_1}{T_1}=\frac{V_2}{T_2}$

We are given:

$V_1=350L\\T_1=500K\\T_2=295K$

Then, using the Charle's Law equation, we have:

$\frac{350L}{500K}=\frac{V_2}{295K}$

$\frac{350L}{500K}=\frac{V_2}{295K}\\\\V_2=\frac{350L}{500K}*295K=206.5L$

Hence, we have that the new volume is equal to 206.5 L.

Have a nice day!

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2 years ago

What elements make up most of the mantle?

amid [387]

44.8% oxygen, 21.5% silicon, and 22.8% magnesium. There's also iron, aluminum, calcium, sodium, and potassium. These elements are all bound together in the form of silicate rocks, all of which take the form of oxides.

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2 years ago

How much heat energy must be absorbed to completely melt 35.0 grams of H2O(s) at 0°C?

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Nylon was first synthesised in

galben [10]

Answer:

In 1935

First synthetic fiber produced by man

Got it's name from Cities of New York And London

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