3 years ago

Can someone answer ASAP if you hurry I will mark brainliest

Chemistry

1 answer:

Ira Lisetskai [31]3 years ago

4 0

Answer:

Electrical and magnetic

You exert a gravitational force on the pupil and the pupil exerts an equal gravitational force on you. ... The size of the gravitational force depends on the mass of the objects involved. The greater the mass, the greater the gravitational force.

Explanation:

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Triss [41]

Answer:

I could I guess?

But like only 1 lol

Explanation:

6 0

3 years ago

How are parentheses used in chemical formulas

Liula [17]

They make the symbols individual

6 0

3 years ago

200 g of solid sodium hydroxide (NaOH) are dissolved in 750 mL of water. What is the concentration of this solution?

Anastaziya [24]

Answer:

6.67 M

Explanation:

Molarity = $\frac{mol}{L}$

<em>Convert 200g NaOH to moles. Convert 750 mL to L.</em>

200 g NaOH x (1 mol/39.998 g) = 5.00025... mol NaOH

750 mL x (1 L/1000 mL) = 0.750 L

<em>Substitute values into the equation.</em>

Molarity = $\frac{5.00025}{0.750}$

Molarity = 6.667... M

Molarity = 6.67 M

8 0

3 years ago

Which of the following mixtures will react the fastest?

olga2289 [7]

Answer:

I think the answer would be A.

8 0

3 years ago

If an object with a volume of 105 mL and a density of 0.801 g/mL, what is the objects mass?

garik1379 [7]

Answer:

The objects mass is 84, 105 g. See the explanation below, please.

Explanation:

We use the formula:

Density= mass/volume

Mass= Density x volume =0.801 g/mL x 105 mL = 84, 105 g

6 0

3 years ago