2 years ago

Which statements best describe fossils? Check all that apply.

Chemistry

2 answers:

nikdorinn [45]2 years ago

3 0

Answer:

2&3&5

Explanation:

fossils are and can be all of the above

ololo11 [35]2 years ago

3 0

Answer:

2,3,5

Explanation:

i got it right

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Im hvaing a hard time getting the right answer

Tanya [424]

Answer:

$V=23.9mL$

Explanation:

Hello!

In this case for the solution you are given, we first use the mass to compute the moles of CuNO3:

$n=2.49g*\frac{1mol}{125.55 g}=0.0198mol$

Next, knowing that the molarity has units of moles over liters, we can solve for volume as follows:

$M=\frac{n}{V}\\\\V=\frac{n}{M}$

By plugging in the moles and molarity, we obtain:

$V=\frac{0.0198mol}{0.830mol/L}=0.0239L$

Which in mL is:

$V=0.0239L*\frac{1000mL}{1L}\\\\V=23.9mL$

Best regards!

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2 years ago

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3 years ago

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Zarrin [17]

Answer:

a women standing in high heels

Explanation:

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At sea level, a kilogram welghs approximately<br> 2 pounds<br> 10 pounds<br> 5 pounds<br> 1 pound

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2 years ago

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Answer:

Peatification and coalification

Explanation:

https://energyeducation.ca/encyclopedia/Coal_formation

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