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3 years ago

Ice will ________ in water. A. float B. sink C. stay the same

Chemistry

2 answers:

mixas84 [53]3 years ago

4 0

Answer:

A. float.

Explanation:

Ice has a lower density than water so it will float.

It is a good job it does, otherwise some oceans would be frozen solid!!

Marizza181 [45]3 years ago

3 0

Answer:

It floats.

Explanation:

Ice would float because it is about 9% less dense than water

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What is the mass of silver chlorate (191.32 g/mol) that decomposes to release 0.466L of oxygen gas at STP? AgC1036) _AgCl). _026

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Answer : The mass of silver chlorate will be 2.654 grams.

Explanation :

The balanced chemical reaction is,

$2AgClO_3\rightarrow 2AgCl+3O_2$

First we have to calculate the moles of oxygen gas at STP.

As, 22.4 L volume of oxygen gas present in 1 mole of oxygen gas

So, 0.466 L volume of oxygen gas present in $\frac{0.466}{22.4}=0.0208$ mole of oxygen gas

Now we have to calculate the moles of silver chlorate.

From the balanced chemical reaction, we conclude that

As, 3 moles of oxygen produced from 2 moles of silver chlorate

So, 0.0208 moles of oxygen produced from $\frac{2}{3}\times 0.0208=0.01387$ moles of silver chlorate

Now we have to calculate the mass of silver chlorate.

$\text{Mass of }AgClO_3=\text{Moles of }AgClO_3\times \text{Molar mass of }AgClO_3$

Molar mass of silver chlorate = 191.32 g/mole

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Therefore, the mass of silver chlorate will be 2.654 grams.

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