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4 years ago

What is the main factor that determines if a star will become a black hole

1 answer:

6 0

<span>As a star runs out of fuel it can expand and will begin to form heavier elements such as carbon and iron (most of the matter in our solar system comes from extra-solar sources). Once it finally exhausts all of its fuel it will begin to collapse. It is here that the stars begin to undergo different fates. </span>

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Which of the following is evidence for sea floor

Basile [38]

What are the following options?

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3 years ago

What conclusions can you draw about the factors that affect the rate of solution formation?

konstantin123 [22]

The factors that affect the rate of solution formation are capable of either increasing the rate of solution formation or decreasing it.

<h3>Factors that affect the rate of solution formation</h3>

The rate of solution formation from a chemical reaction depends on the following factors:

Quantity of solute and solvent: The solute should be in less quantity and solvent should be more in quantity to dissolve the solute. This will enhance the formation of solution

The size of the solute particles: When the solute particles are in smaller sizes, they react faster with the solvent to form solutions.

The temperature of solvent: In increased temperature, the solute reacts faster with the solvent.

Therefore, the factors that affect the rate of solution formation are capable of either increasing the rate of solution formation or decreasing it.

Learn more about solutions here:

brainly.com/question/23946616

7 0

2 years ago

40 points plz help quick!! Order the interactions from strongest to weakest.

aleksley [76]

Answer:

2,5,4,1,3

Explanation:

7 0

3 years ago

Read 2 more answers

I need help on science<br>I have a 89 on my report card for science and I need to get it to a 98

Hunter-Best [27]

Sorry but I only know a few
17- decomposers
18- decomposition
21- 10% is lost so 90%

8 0

4 years ago

How much heat is absorbed during production of 147 g of NO by the combination of nitrogen and oxygen?

marin [14]

Answer:

$\large \boxed{\text{105 kcal}}$

Explanation:

MM: 30.01

N₂ + O₂ ⟶ 2NO; ΔH = +43 kcal/mol

m/g: 147

Treat the heat as if it were a reactant in the reaction. Then you can write

N₂ + O₂ + 43 kcal ⟶ 2NO

The conversion factor is then 43 kcal/2 mol NO.

1. Moles of NO

$\text{Moles of NO} = \text{147 g NO} \times \dfrac{\text{1 mol NO}}{\text{30.01 g NO}} = \text{4.898 mol NO}$

2. Amount of heat

$\text{Heat} = \text{4.898 mol NO } \times \dfrac{\text{43 kcal}}{\text{2 mol NO}} = \text{105 kcal}\\\\\text{The reaction absorbs $\large \boxed{\textbf{105 kcal}}$}$

7 0

3 years ago