4 years ago

HELP POINTS!!!!!!

1 answer:

5 0

The correct answer you are looking for is B) 6.02x10²³ molecules CO₂.
molecules / mole times 4 moles

Good luck with your studies, I hope this helps~!

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If an object has a density of 0.55 g/mL, what is its density in cg/L?

expeople1 [14]

"cg" is centigram, which is one-hundredth of a gram.

I will first convert from g to cg (multiply by 100), then from mL to L (multiply by 1000).

$\frac{0.55g}{mL}*\frac{100cg}{1g}*\frac{1000mL}{1L}=55,000\frac{cg}{L} \ or \ 5.5e4\frac{cg}{L}$

3 0

4 years ago

Which functional group is found in methanol?

denis23 [38]

Yes , CH3OH - this is methanol

8 0

3 years ago

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Explain why the two argon atoms are attracted to each other.

Inessa05 [86]

Each are non-metals, which form a covalent bond. They also have high electron rapport.
- nonmetal and nonmetal equals covalent bond.

5 0

3 years ago

The minimum amount of energy that has to be added to start a reaction is the

Svetllana [295]

The minimum amount of energy that has to be added to start a reaction is the activation energy, which starts the reaction. It activates it.

7 0

3 years ago

I hope someone can help me here please don't answer nonsense

ExtremeBDS [4]

Answer:

4560 Torr

Explanation:

Boyle's Law

$\sf P_1 \cdot V_1=P_2 \cdot V_2$

where:

$\sf V_1$ = initial volume
$\sf V_2$ = final volume
$\sf P_1$ = initial pressure
$\sf P_2$ = final pressure

Given:

$\sf V_1$ = 4 L
$\sf V_2$ = 1 L
$\sf P_1$ = 1.5 atm

Substituting the given values into the formula:

$\implies \sf 1.5 \cdot 4=P_2 \cdot 1$

$\implies \sf P_2=6\:atm$

To convert atm to Torr, multiply atm by 760:

$\implies \sf P_2=6\cdot 760=4560\:Torr$

8 0

2 years ago

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