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4 years ago

place 12g of rain, 12g of snow, and 12g of ice in order of increasing volume. use density to explain the order

Chemistry

2 answers:

levacccp [35]4 years ago

7 0

Answer:

12g of ice has the highest density, then comes 12g of snow and then 12g of rain

Explanation:

because density increases and as temperature decreases

solids have the highest density
liquids have a moderate density
gases have the least density

Anna007 [38]4 years ago

3 0

Answer:

12g of rain 12g of snow 12g of ice

Explanation:

yes this was answered by a 6th grader no joke so what happens is rain would basically classified as water so that would sink all the way to the bottom. Then snow cause that is somewhat like a solid mixed up with water so that would be second and then ice is just a plain old solid i hope i answered your question

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How many formula units make up 36.0 g of magnesium chloride (MgCl2)?

zalisa [80]

Answer: There are $2.29\times 10^{23}$ formula units

Explanation:

According to avogadro's law, 1 mole of every substance occupies 22.4 L at STP and contains avogadro's number $6.023\times 10^{23}$ of particles.

To calculate the moles, we use the equation:

$\text{Number of moles}=\frac{\text{Given mass}}{\text {Molar mass}}=\frac{36.0g}{95g/mol}=0.38moles$

1 mole of $MgCl_2$ contains = $6.023\times 10^{23}$ formula units

Thus 0.38 moles of $MgCl_2$ contains = $\frac{6.023\times 10^{23}}{1}\times 0.38=2.29\times 10^{23}$ formula units

Thus there are $2.29\times 10^{23}$ formula units

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3 years ago

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Setler [38]

Answer:

See below

Explanation:

You missed the following elements, but any element with 7 valence electrons could behave like that: Cl, Br, I, F, etc

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3 years ago

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