3 years ago

10) What does mRNA copy and carry the code to produce? (1pt) a) DNA b) Proteins

Chemistry

2 answers:

erma4kov [3.2K]3 years ago

8 0

I think the answer is B

Brut [27]3 years ago

3 0

Answer:

Explanation:

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5. A hollow glass sphere has a volume of 350 mL and

Rina8888 [55]

Explanation:

Given that,

Volume of a hallow glass sphere is 350 mL

Specific gravity is 1.252

We need to find the weight of the sphere. The ratio of density of substance to the density of water is called specific gravity.

The density of water is 1 g/mL

$\text{specific gravity}=\dfrac{\text{density of substance}}{\text{density of water}}\\\\SG=\dfrac{m}{V\times \rho_w}\\\\m=SG\times V\times \rho_w\\\\m=1.252\times 350\ mL\times 1\ g/mL\\\\m=438.2\ \text{grams}$

We know that,

1 pound = 453.592 grams

So,

m = 0.97 lbs

So, the weight of the sphere is 0.97 lbs or 0.97 pounds.

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4 years ago

A student melts 50.0 grams of ice using 16650 J of energy. What is the heat of fusion of ice?

Shkiper50 [21]

Heat fusion is the amount of energy required to convert one mole of ice into water, 16650J is per 50g so if we divide 16650 by 50 we find it per gram: 16650/50 = 333J/g or 0.33KJ/g

hope that helps :)

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3 years ago

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What is the proper compound formula for Hydrogen Cyanide?

olganol [36]

Answer:

Hydrogen H

Cyanide CN

Answer is HCN

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3 years ago

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