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3 years ago

Between which two stages does cell division (cells divide or multiple) first occur?

Chemistry

1 answer:

anygoal [31]3 years ago

8 0

I think the answer is C. C and D

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What does solubility mean

stiv31 [10]

Answer: The ability to be dissolved

Explanation:

4 0

3 years ago

How are atoms an example of diversity?

Ivan

D. Atoms form millions of molecules. :)

8 0

3 years ago

Read 2 more answers

I need help...

Aneli [31]

Answer:

1. Density of the rectangular prism is 20 g/cm3

2. A material's ability to dissolve : Soubility

3. Intensive property : A physical property that is independent of sample size.

Explanation:

Volume of Prism is calculated by :

$volume = L\times W\times H$

Length = 3 cm

Width = 2 cm

Height = 1 cm

$volume = 3\times 2\times 1$

V = 6 cm3

mass = 120 g

$Density = \frac{mass}{Volume}$

$Density = \frac{120}{6}$

Density = 20 g/cm3

Solubility :

It is the chemical property of the substance.

It shows the ability of the solute to dissolve in the solvent at a given temperature.

Intensive Properties:

These are bulk properties(Do not depend upon the amount of matter present)
They are independent of sample size.
Example : boiling point,melting point,temperature,refractive index

7 0

3 years ago

When would a cell use Active Transport? Mark all that apply.

Westkost [7]

Answer:

a c e

Explanation:

4 0

3 years ago

If 35.50 cm3 of a NaOH solution are required for the complete neutralization of a 25.00cm3 sample of 0.200mol dm-3 H2SO4, what i

Morgarella [4.7K]

In this question, you are given the NaOH volume but asked for concentration.
Don't forget that for every 1 mol of NaOH there will be 1 mol OH- ion, but for every 1 mol of H2SO4 there will be 2 mol of H- ion.
To neutralize you need the same amount of OH- and H+, so the equation should be:

OH-= H+
35.50cm3 * x*1= 25cm3* 0.2mol/dm3 *2
x= 10/35.5 mol/dm3= 0.2816/dm3

6 0

3 years ago