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polet [3.4K]
2 years ago
13

Why does water evaperate

Chemistry
2 answers:
ryzh [129]2 years ago
8 0

Answer:

the sunlight heats the water up and makes the molecules move faster and faster until it becomes gas.

Juli2301 [7.4K]2 years ago
5 0

Explanation:

water evaporates because when h2o (water) particles heat up, they gain energy causing them to start to vibrate. this moves the oarticles further and further away from eachother and making the substance less dense, and turning it into a gas. meaning it has evaporated

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The picture below shows one cell dividing into two cells.
vitfil [10]

all cells come from pre existing cells


4 0
3 years ago
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One mole of nitrous acid (HNO2) contains 1.00 gram of hydrogen (H), 14.0 grams of nitrogen (N), and 32.0 grams of oxygen (O). Wh
Zigmanuir [339]
Mass % of nitrogen = mass of nitrogen*100  / total mass 

= 14*100 / (1+ 14 + 32)

= 14*100 / 47
= 29.7 % 



8 0
3 years ago
The number of electrons in n=1 and n=2 shells of aluminum are
harina [27]

Answer:

n=1 holds two electrons and n=2 holds eight electrons.

Explanation:

Hello

In this case, since the atomic number of aluminum is 13, its electron configuration is:

Al^{13}: 1s^2,2s^2,2p^6,3s^2,3p^1

In such a way, we can see that the level n=1 is filled with two electrons since the subshell s is able to hold two electrons and the level n=2 is also filled but with eight electrons as s holds two whereas p holds 6. Moreover, n=3 is holding three electrons.

Best regards.

5 0
3 years ago
Sodium carbonate (NaCO3) is sometimes used as a water-softening agent. Suppose that a worker prepares a 0.730 M solution of NaCO
elena55 [62]

Answer : The mass of solute in solution is 1.09\times 10^2g.

Solution : Given,

Molarity = 0.730 M

Volume of solution = 1.421 L

Molar mass of sodium carbonate = 105.98 g/mole

Formula used for Molarity :

Molarity=\frac{w}{M\times V}

where,

w = mass of solute

M = Molar mass of solute

V = volume of solution in liter

Sodium carbonate is solute and water is solvent.

Now put the given values in above formula, we get the mass of solute in solution.

0.730mole/L=\frac{w}{(105.98g/mole)\times (1.412L)}

By rearranging the terms, we get

m=109.247g=1.09\times 10^2g

Therefore, the mass of solute in solution is 1.09\times 10^2g.

4 0
3 years ago
When baking soda and vinegar react, the product includes bubbles. what is most likely occurred
Varvara68 [4.7K]
The gases that get released form bubbles in the solution
4 0
2 years ago
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