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3 years ago

Using the formula F=ma, what is the force exerted by a 10 kg bowling ball

Chemistry

1 answer:

Blababa [14]3 years ago

3 0

Answer:

<h2>The answer is 100 N</h2>

Explanation:

The force acting on an object given it's mass and acceleration can be found by using the formula

<h3>Force = mass × acceleration</h3>

From the question

mass = 10 kg

acceleration = 10 m/s²

We have

Force = 10 × 10

We have the final answer as

Hope this helps you

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3 years ago

A 32 g sample of LiCl is dissolved in water to for 655 mL of solution. What is the molarity of the solution?

emmainna [20.7K]

Answer : The molarity of the solution is, 1.1 M LiCl

Explanation : Given,

Mass of $LiCl$ = 32 g

Volume of solution = 655 mL

Molar mass of $LiCl$ = 42.4 g/mole

Molarity : It is defined as the number of moles of solute present in one liter of volume of solution.

Formula used :

$\text{Molarity}=\frac{\text{Mass of }LiCl\times 1000}{\text{Molar mass of }LiCl\times \text{Volume of solution (in mL)}}$

Now put all the given values in this formula, we get:

$\text{Molarity}=\frac{32g\times 1000}{42.4g/mole\times 655mL}=1.1mole/L=1.1M$

Therefore, the molarity of the solution is, 1.1 M LiCl

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3 years ago

What types of teeth do mammals have? Select the three correct answers.

mariarad [96]

Answer:

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Explanation:

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2 years ago

What does amino acids do?

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3 years ago

What is the theoretical yield of Ca(OH)2, in grams, if 31.8 g of CaO is hydrolyzed (reacted) in an excess of water?

Fiesta28 [93]

The theoretical yield of Ca(OH)₂ : 42.032 g

<h3>Further explanation</h3>

Given

31.8 g of CaO

Required

The theoretical yield of Ca(OH)₂

Solution

Reaction

CaO + H₂O⇒Ca(OH)₂

mol CaO (MW=56 g/mol) :

= mass : MW

= 31.8 g : 56 g/mol

= 0.568

From equation, mol Ca(OH)₂ = mol CaO = 0.568

Mass Ca(OH)₂ (MW=74 g/mol) :

= 0.568 x 74

= 42.032 g

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3 years ago