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3 years ago

Planetesimal definition

2 answers:

5 0

The term Planetestimal is a minute planet; a body That could or did it come together With many others under gravitation to form a planet. As a adjective it means relating to Planetesimal Bodies . Hope that helped !M

e-lub [12.9K]3 years ago

3 0

A minute planet; a body that could or did come together with many others under gravitation to form a planet.
adjective1.relating to planetesimal bodies.

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A solution is made by dissolving 4.87 g of potassium nitrate in water to a final volume of 86.4 mL solution. What is the weight/

lara31 [8.8K]

Answer:

A solution is made by dissolving 4.87 g of potassium nitrate in water to a final volume of 86.4 mL solution. The weight/weight % or percent by mass of the solute is :

2.67%

Explanation:

Note : Look at the density of potassium nitrate in water if given in the question.

You are calculating weight /Volume not weight/weight % or percent by mass of the solute

Here the weight/weight % or percent by mass of the solute is asked : So first convert the VOLUME OF SOLUTION into MASS

Density of potassium nitrate in water KNO3 = 2.11 g/mL

$density=\frac{mass}{volume}$

Density = 2.11 g/mL

Volume of solution = 86.4 mL

$2.11=\frac{mass}{86.4}$

$mass = 2.11\times 86.4$

$mass=182.3grams$

Mass of Solute = 4.87 g

Mass of Solution = 183.2 g

w/w% of the solute =

$= \frac{mass\ of\ solute}{mass\ of\ solution}\times 100$

$=\frac{4.87}{183.2}\times 100$

w/w%=2.67%

8 0

3 years ago

NOOOO LINNKKKSSS RIGHT ANSWERS ONLY!!!!!!

lawyer [7]

I belive its D if not right sorry.

3 0

3 years ago

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Which phase of matter has a fixed volume but variable shape?

jek_recluse [69]

The answer is "Liquid".

Hope I could help you!
Have a great day ;)

8 0

3 years ago

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How are mass and gravitational pull related?

V125BC [204]

Answer:

yes/no

Explanation:

i have no clue.

6 0

3 years ago

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After mitosis, you have 2 cells that are the same as the parent cell. Why is it that your first cell was not the same as your pa

ladessa [460]

Answer:

During MITOSIS, the parent, diploid (2n), cell is divided to create two identical, diploid (2n), daughter cells. ... After cytokinesis, the ploidy of the daughter cells remains the same because each daughter cell contains 4 chromatids, as the parent cell did.

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2 years ago