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2 years ago

What should be done in order to decrease the gravitational force between two objects?

Chemistry

1 answer:

nikklg [1K]2 years ago

5 0

Explanation:

The gravitational force between two objects is given by :

$F=G\dfrac{m_1m_2}{d^2}$

Where

G is universal gravitational constant

d is the distance between two masses

The gravitational force is inversely proportional to the distance between objects. It means when the distance between objects increases, gravitational force decreases and vice versa. To decrease the gravitational force between two objects, distance must increase.

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How many grams of water are theoretically produced for the following reaction given we have 2.6 moles of HCl and 1.4 moles of Ca

leva [86]

Answer:

The answer to your question is: 6.8 g of water

Explanation:

Data

2.6 moles of HCl

1.4 moles of Ca(OH)2

2HCl + Ca(OH)2 → 2H2O + CaCl2

MW 2(36.5) 74 36 g 111 g

73g

1 mol of HCl ---------------- 36.5 g

2.6 mol -------------- x

x = (2.6 x 36.5) / 1 = 94.9 g

1 mol of Ca(OH)2 -------------- 74 g

1.4 mol --------------- x

x = (1.4 x 74) / 1 = 103.6 g

Grams of water

73 g of HCl ------------------ 36g of H2O

94.9 g ------------------- x

x = (94.9 x 36) / 73 = 46.8 g of water

6 0

2 years ago

Is PH3 polar or nonpolar

Andru [333]

Answer:

polar

Explanation:

8 0

2 years ago

Read 2 more answers

A chemist determined by measurements that 0.030 moles of barium participated in a chemical reaction. Calculate the mass of bariu

schepotkina [342]

Answer: 4.1 g of barium precipitated.

Explanation:

According to avogadro's law, 1 mole of every substance occupies 22.4 L at STP and contains avogadro's number $6.023\times 10^{23}$ of particles.

To calculate the moles, we use the equation:

$\text{Number of moles}=\frac{\text{Given mass}}{\text {Molar Mass}}$

Given : moles of barium = 0.030

Molar mass of barium = 137 g/mol

$0.030=\frac{x}{137}$

x= 4.1 g

Thus there are 4.1 g of barium that precipitated.

3 0

3 years ago

How can you drop two eggs the fewest amount of times, without them breaking? Whoever gets this right I will mark them brainlyest

Alekssandra [29.7K]

Answer:

Okay well simply drop it from one inch on to the ground and it won't break and you could put it into a basket with bubble wrap.

Explanation:

Well if you wrap the egg into bubble wrap a few times them put it into a basket (its your choice) then it won't break because the bubble wrap will just pop a few times but sometimes it depends on where you are dropping it from.

Have a blessed day bye! ;)

6 0

3 years ago

1. Which of the following equations is balanced?

pantera1 [17]

The answer would be A

6 0

2 years ago