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leva [86]
3 years ago
10

The

Chemistry
2 answers:
scZoUnD [109]3 years ago
6 0

Answer:

1. Richter

2. moment

Explanation:

I just submitted it on edge! Try it out for yourself bc I promise this is 100 percent correct! Have a great day

Dovator [93]3 years ago
4 0

Answer:

1. richter 2.moment

Explanation:

Just answered the question

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A tank can hold up to 2500 liters of liquid. The tank initially contains 1000 liters of a brine solution with 50kg of salt. A br
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67.93 kg.

Explanation:

See the attached pictures for detailed explanation.

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The train traveled 100 miles in 4 hours how fast was the train traveling
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Which of the following has more atoms?
aniked [119]

Answer:

They all have the same number of atoms

Explanation:

Which of the following has more atoms?

One mole of zinc

One mole of gold

One mole of silver

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O They all have the same number of atomst

a mole of anything contains Avogadros number of 6.022X10^23  things

which has the greatest number of thing? a dozen eggs, a dozen cookies, a dozen pizzas?

a dozen is a number means 12

a mole is a number that that means 6.022 X 10^23 you calculate the molar mass from the chemical formula, but every j mole contains 6.022X10^23

particles.

just like every dozen contains 12

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They all have the same number of atoms

3 0
3 years ago
Which of the following is a completely elastic collision? A. a ball rebounds against a wall, reversing its direction, but at onl
Dmitry_Shevchenko [17]

Answer:

Answer E.

For a collision to be completely elastic, there must be NO LOSS in kinetic energy.

We can go through each answer choice:

A. Since the ball rebounds at half the initial speed, there is a loss in kinetic energy. This is NOT an elastic collision.

B. A collision involving sticking is an example of a perfectly INELASTIC collision. This is NOT an elastic collision.

C. A reduced speed indicates that there is a loss of kinetic energy. This is NOT elastic.

D. The balls traveling at half the speed after the collision indicates a loss of kinetic energy, making this collision NOT elastic.

E. This collision indicates an exchange of velocities, characteristic of an elastic collision. We can prove this:

Let:

m = mass of each ball

v = velocity

We have the initial kinetic energy as:

KE = \frac{1}{2}mv^2 + 0 = \frac{1}{2}mv^2KE=21mv2+0=21mv2

And the final as:

KE = 0 + \frac{1}{2}mv^2 = \frac{1}{2}mv^2KE=0+21mv2=21mv2

5 0
2 years ago
Read 2 more answers
1.Which is the largest atom in Group 1?
Serhud [2]
1. Francium
2. Nitrogen
3.rubidium
4. Krypton
7 0
2 years ago
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