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Klio2033 [76]
2 years ago
7

1. A dry, empty bottle is placed in an ice bath. After the air inside the bottle is cooled off, a balloon is placed

Chemistry
2 answers:
Alex777 [14]2 years ago
8 0

Answer:

hot air rises and expanded the balloon

Explanation:

thats it.

ser-zykov [4K]2 years ago
6 0
The hot air rises and expanded the ballon. This is as the air in the bottle cools down, the molecules of the air slow down and take up less space because they move closer together. The air then moves out of the balloon and back into the bottle, causing the balloon to deflate.

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What are the correct steps for evolution by natural selection?​
katrin [286]

(っ^-^ )っHey There!

Answer → The five steps of the process of natural selection are variation, inheritance, selection, time and adaptation

✨Hope this Helps✨

8 0
2 years ago
Adding hydrogen atoms to an unsaturated fatty acid will make it __________.
xxMikexx [17]

The answer is (a.) more solid

 

Adding hydrogen atoms to an unsaturated fatty acid will make it more solid. This process is called hydrogenation. In this process, hydrogen is added to an unsaturated fatty acid to make it more saturated and thereby more solid at a room temperature.

3 0
3 years ago
Read 2 more answers
AL(OH)3+ HCI—> ALCL3 +H2O
UkoKoshka [18]

Answer:

i dont know what you're asking here. But if you're asking what it is then:

Explanation:

Aluminum Hydroxide + Hydrogen Chloride = Aluminum Chloride + Water

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btw the first letter of every element should be capitalized. While the second and theird are lowercased.

4 0
3 years ago
A solar panel combines multiple photovoltaic cells. Which type of energy is used to power a solar panel?
Softa [21]

Explanation:

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3 0
3 years ago
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Show the equation how many grams of Mg(OH)2 would be produced from 4 mol KOH?
Sindrei [870]
Mole ratio:

MgCl₂ + 2 KOH = Mg(OH)₂ + 2 KCl

2 moles KOH ---------------- 1 mole Mg(OH)₂
4 moles KOH ------------------- moles Mg(OH)₂

moles Mg(OH)₂   = 4 x 1 / 2

= 2  moles of   Mg(OH)₂

molar mass Mg(OH)₂ = 58g/mol

mass of   Mg(OH)₂ = n x mm

mass of  Mg(OH)₂ = 58 x  2

= 116 g of <span> Mg(OH)₂</span>

hope this helps!
8 0
3 years ago
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