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4 years ago

What if cell differentiation did not occur?

Chemistry

1 answer:

Galina-37 [17]4 years ago

4 0

Answer:

when cells begin dividing it goes through mitosis then nucleus divides following to cytoplasm if cell isn't controlled it may cuase disease or cancer

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A 2. 00 g sample of cocl2. x h2o is dried in an oven. when the anhydrous salt is removed from the oven, its mass is 1. 565 g. wh

timofeeve [1]

It is Cobalt(II)chloride dihydrate. The value of x is 2.

First, we have to determine the mass of H₂O that was evaporated upon heating which will be = 2.00g - 1.56 g

= 0.435 g

So,

CoCl₂ + x.H₂O → CoCl₂.xH₂O

Molecular mass of CoCl₂ = 129.839 g/mol

Molecular mass of H₂O = 18 g/mol

Weight of sample after heating = 1.565 g

Weight of H₂O evaporated = 0.435 g

Hence,

$18x = \frac{129.839X0.435}{1.565} \\x = \frac{55.48}{28.17} \\x = 1.9$

x ≈ 2

So, it is Cobalt(II)chloride dihydrate.

Learn more about molecular mass here:

brainly.com/question/13147431

#SPJ4

3 0

2 years ago

The reaction: 2 SO2(g) + O2(g) --> 2 SO3(g) has an equilibrium constant of K1. What is the K value for the reaction: SO3(g) -

Murljashka [212]

<u>Answer:</u> The value of equilibrium constant for reverse reaction is $(\frac{1}{K_1})^{1/2}$

<u>Explanation:</u>

The given chemical equation follows:

$2SO_2(g)+O_2(g)\rightarrow 2SO_3(g)$

The equilibrium constant for the above equation is $K_1$

We need to calculate the equilibrium constant for the reverse equation of above chemical equation, which is:

$SO_3(g)\rightarrow SO_2(g)+\frac{1}{2}O_2(g)$

The equilibrium constant for the reverse reaction will be the reciprocal of the initial reaction.

If the equation is multiplied by a factor of ' $\frac{1}{2}$ ', the equilibrium constant of the reverse reaction will be the 1/2 power of the equilibrium constant of initial reaction.

The value of equilibrium constant for reverse reaction is:

$K_{eq}'=(\frac{1}{K_1})^{1/2}$

Hence, the value of equilibrium constant for reverse reaction is $(\frac{1}{K_1})^{1/2}$

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4 years ago

Please help me 14 point's

weeeeeb [17]

C but I’m not sure sry if I’m wrong

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3 years ago

What is the meaning of chemistry

oksano4ka [1.4K]

Chemistry is a subject of love❤❤❤❤❤

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3 years ago

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