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rusak2 [61]
3 years ago
15

A bowling ball and basketball collide, what direction do they go and how is energy transferred?

Chemistry
1 answer:
olga nikolaevna [1]3 years ago
8 0

Answer:

When the batter hits the ball, there is a force applied, and energy is transferred. The ball will move in the direction the force is pushing it. If two objects collide, energy will be transferred between both, and there will be a change in motion.

Explanation:

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In a laboratory experiment you are given 46.1 grams of MgSO4 and asked to make a 1.20 M solution. The volume of your solution wi
Darina [25.2K]

Answer:

0.319 L

Explanation:

M(MgSO4) = 120 g/mol

46.1 g * 1 mol/120 g = 0.384 mol MgSO4

0.384 mol * 1 L/1.20 mol = 0.319 L

5 0
3 years ago
How many grams of calcium chloride would you need to make 1 L of solution containing 5 ppm calcium (Ca)?
Tresset [83]

Explanation:

The given data is as follows.

           Volume = 1 L,    Concentration of Ca = 5 ppm or 5 mg/L

As 1 mg = 0.001 g so, 5 mg /L will be equal to 0.005 g/l. Molar mass of calcium is 40.078 g/mol.

Hence, calculate molarity of calcium as follows.

           Molarity of Ca = \frac{\text{given concentration}}{\text{molar mass}}

                                  = \frac{0.005 g/l}{40.078 g/mol}

         Molarity of Ca = 1.25 \times 10^{-4} M

Hence, molarity of CaCl_{2} is 1.25 \times 10^{-4} M. Since, volume is same so, moles of calcium chloride will be 1.25 \times 10^{-4} mol.

Thus, we can conclude that mass of CaCl_{2} will be as follows.

             1.25 \times 10^{-4} \times 110.984       (molar mass of CaCl_{2} = 110.984 g/mol)

               = 0.0138 g

Thus, we can conclude that mass of CaCl_{2} is 0.0138 g.

4 0
3 years ago
How many white eggs are there in 0.01 moles of white eggs
arlik [135]

Answer:

0.06022 × 10²³ eggs

Explanation:

Given data:

Moles of eggs = 0.01 mol

Number of eggs = ?

Solution:

The given problem will solve by using Avogadro number.

It is the number of atoms , ions and molecules in one gram atom of element, one gram molecules of compound and one gram ions of a substance.

The number 6.022 × 10²³ is called Avogadro number.

For example,

1 mole of egg = 6.022 × 10²³ eggs

0.01 mol × 6.022 × 10²³ eggs / 1 mol

0.06022 × 10²³ eggs

Thus in 0.01 moles of eggs have 0.06022 × 10²³ eggs number of eggs.

8 0
3 years ago
2 reasons for chemical reactivity of nitrogen
erma4kov [3.2K]

Answer:

Due to presence of a triple bond between the two N−atoms, the bond dissociation enthalpy (941.4 kJ mol  

−1

) is very high. Hence, N  

2

​

 is the least reactive.

6 0
3 years ago
A mixture of 0.197 mol carbon dioxide and 0.00278 mol water vapor is held at 30.0 C and 2.50 atm. What is the partial pressure o
labwork [276]
Answer is in the picture below:

5 0
3 years ago
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