2 years ago

I need the answer step by step please

Chemistry

1 answer:

svetlana [45]2 years ago

7 0

It’s tooo barely I cannot see it

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Ice floats on the surface of water because ice is less dense than liquid water true or false?

allsm [11]

Answer:

yes it is true.

Ice floats on the surface of water because ice is less dense than liquid water

Explanation:

4 0

2 years ago

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1826.5g of methanol (CH3OH), molar mass = 32.0 g/mol is added to 735 g of water, what is the molality of the methane 0.0348 m 1.

Snowcat [4.5K]

Answer:

Molality = 1.13 m

Explanation:

Molality is defined as the moles of the solute present in 1 kilogram of the solvent.

Given that:

Mass of $CH_3OH$ = 26.5 g

Molar mass of $CH_3OH$ = 32.04 g/mol

The formula for the calculation of moles is shown below:

$moles = \frac{Mass\ taken}{Molar\ mass}$

Thus,

$Moles= \frac{26.5\ g}{32.04\ g/mol}$

$Moles\ of\ CH_3OH= 0.8271\ moles$

Mass of water = 735 g = 0.735 kg ( 1 g = 0.001 kg )

So, molality is:

$m=\frac {0.8271\ moles}{0.735\ kg}$

Molality = 1.13 m

4 0

2 years ago

Imagine that you combine lemon juice with baking soda in a glass. You see gas bubbles forming along the sides of the glass. How

olasank [31]

The gas that is formed is a different state of matter from the baking soda and lemon juice. The lemon juice has a different odor or smell than the gas. There is no color in the gas, while the lemon juice is yellow, and the baking soda is white.
^^^^^ hope this helps you! :)

6 0

3 years ago

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How many nitrogen atoms are there in one formula unit of nh4no3?

telo118 [61]

Answer:

2Atoms

Explanation:

in $NH_{4}NO_{3}$