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AnnyKZ [126]
3 years ago
8

A large majority of proteins contain ________.

Chemistry
1 answer:
STALIN [3.7K]3 years ago
4 0

Answer: option C. Sulphur

Explanation:

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1. 2KCIO3, -- 2KCI + 302<br> How many moles of O2 will be produced from 2.25 moles of KCIO3?
Scilla [17]

Answer:

3.375moles of O₂

Explanation:

The reaction expression is given as;

                   2KClO₃ → 2KCl + 3O₂

Number of moles of KClO₃  = 2.25moles

Now;

To find the number of moles of O₂ produced we use known number of moles.

So;

                  2 mole of KClO₃ will produce 3 moles of O₂

                 2.25moles of KClO₃ will produce \frac{2.25 x 3}{2}   = 3.375moles of O₂

8 0
3 years ago
The density of benzene at 15 ∘C∘C is 0.8787 g/mL. Calculate the mass of 0.1700 LL of benzene at this temperature. Express your a
SVETLANKA909090 [29]

Answer:

Mass of benzene is: 149.3 g

Explanation:

Let's use density to calculate mass.

Density = Mass / Volume

Mass = Density . volume

Be careful, because density is in g/mL and the volume is in L. So let's convert the L to mL: 0.170 L . 1000 mL / 1L = 170 mL

0.8787 g/mL . 170 mL = Mass of benzene

Mass of benzene is: 149.3 g

5 0
3 years ago
Are sperm and egg cells exact copies of the plant cell
vfiekz [6]

Answer:

No

Explanation:

thats scientifically impossible

5 0
3 years ago
Extra points &amp; brainlest to anyone that can help me with both answers
ki77a [65]

Answer:

1st blank: Organelles

2nd blank: Plant

3rd blank: chloroplasts

3 0
3 years ago
Is this answer right ?
kumpel [21]

Answer:

<h2>YES</h2>

Explanation:

Explanation

<h2>#KEEPSTUDYING</h2><h2 />
5 0
2 years ago
Read 2 more answers
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