2 years ago

What would most likely happen when a metal is heated?

Chemistry

1 answer:

DENIUS [597]2 years ago

3 0

It will melt

This is because the molecules in the metal begin to move faster and faster turning from solid to liquid

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How many grams of Al(no2)3 should be added to 1.3L of water to prepare a 2.0M solution

Virty [35]

Answer: 429 grams of $Al(NO_2)_3$ should be added to 1.3 L of water to prepare 2.0 M solution

Explanation:

Molarity of a solution is defined as the number of moles of solute dissolved per Liter of the solution.

$Molarity=\frac{n}{V_s}$

where,

n = moles of solute $Al(NO_2)_3$ = $\frac{\text {given mass}}{\text {Molar mass}}=\frac{xg}{165g/mol}$

$V_s$ = volume of solution in Liters

Now put all the given values in the formula of molarity, we get

$2.0M=\frac{xg}{165g/mol\times 1.3L}$

$x=429g$

Therefore, 429 grams of $Al(NO_2)_3$ should be added to 1.3 L of water to prepare 2.0 M solution

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What is true of enzymes? They only speed up reactions. They speed up or slow down any reaction in a living thing. They act as ca

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They act as catalysts

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The Lithium atom has only two energy levels. The third is empty. Therefore, we can refer to the second energy level of the lithi

Minchanka [31]

Answer:

H=1

Li=1

Na=1

Be=2

Mg=2

B=3

Al=3

C=4

Si=4

N=5

P=5

O=6

S=6

F=7

Cl=7

Ne=8

Ar=8

He=8

Explanation:

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3 years ago

Whats The amount of space an object takes up is known as the objects?

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The amount of space would be consider matter

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HELP ASAP!

Ilia_Sergeevich [38]

Answer:

All decrease

Explanation:

Trust, and I just got this question and got it right

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