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Afina-wow [57]
3 years ago
11

Your friend looks at a piece of ice and says “Solids, like ice, have a fixed shape because the particles are not moving.” Is you

r friend correct? Why or why not?
Chemistry
2 answers:
Alex_Xolod [135]3 years ago
6 0

Answer:

yes

Explanation:

Zanzabum3 years ago
6 0

Answer:

yes he is correct

Explanation:

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What is the name of this alkane?
Otrada [13]
It's a cyclohexane ring with an ethyl group at 1 and a methyl group at 3. The Ethyl group is bigger and more important group get's the first position.

1-ethyl-3-methylcyclohexane
3 0
3 years ago
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What is the mass of 19.5 moles of carbon dioxide?
Olenka [21]

Explanation:

mass = moles * molar mass

molar mass of carbon dioxide (CO2) = 12+32 = 44

= 19.5* 44 = 858

proof

moles = mass /molar mass

= 858/44 = 19.5 moles

6 0
3 years ago
When you need to produce a variety of diluted solutions of a solute, you can dilute a series of stock solutions. A stock solutio
8090 [49]

Answer:

Volume of stock solution needed = 6.0299 mL

Explanation:

<u> </u>Dilution consists of lowering the amount of solute per unit volume of solution. It is achieved by adding more diluent to the same amount of solute.

This is deduced when thinking that both the dissolution at the beginning and at the end will have the same amount of moles.

<u>Data:</u>

M1 = 6.01 M stock solution concentration

M2 = 0.3624 M diluted solution concentration

V2 =100 mL diluted solution volume

V1 = ? stock solution volume

M1 * V1 = M2 * V2

V1=\frac{M2*V2}{M1} =\frac{0.3624M*100mL}{6.01M} =6.0299 mL

4 0
3 years ago
A piston in a heat engine does 500 joules of work, and 1,400 joules of heat are added to the system. Determine the change in int
Ira Lisetskai [31]
The change is that the piston gets hotter? (Theres more heat in it)
8 0
3 years ago
On average, how many hours of sleep do teenagers need each night? 7 hours 7.5 hours 8 hours 8.5 hours
Marrrta [24]

Answer:

8 to 8.5 since that is the recommended and people usualy sleep more than that

5 0
3 years ago
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