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olga_2 [115]
3 years ago
11

If a car is traveling on the highway at a constant velocity, the force that pushes the car forward must be

Chemistry
2 answers:
Slav-nsk [51]3 years ago
5 0
<span>If a car is traveling on the highway at a constant velocity, the force that pushes the car forward must be
</span>acceleration

Mandarinka [93]3 years ago
5 0
Well, when your tires and the road are mixed together at a high speed, it causes a friction force, which is what propels the car forward, even when you are not using the gas peddle. 
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Explain why beryllium looses electrons while ionic bonds,while Sulfur gains electrons.
balandron [24]

Answer:

Since Beryllium has a larger atomic radius than Sulphur its electrons are not strongly attracted to the nucleus hence lost easily. But Sulphur has a small atomic radius hence electrons are more closely attracted to the nucleus.

3 0
1 year ago
A 3.50 amp power supply is used to deposit chromium from a solution of CrCl3. How long will it take to deposit 100.0 grams of ch
Norma-Jean [14]

Explanation:

The given data is as follows.

   Current (I) = 3.50 amp,        Mass deposited = 100.0 g

  Molar mass of Cr = 52 g

It is known that 1 faraday of electricity will deposit 1 mole of chromium. As 1 faraday means 96500 C and 1 mole of Cr means 52 g.

Therefore, 100 g of Cr will be deposited by "z" grams of electricity.

                z \times 52 g = 96500 \times 100 g

                         z = \frac{96500 \times 100 g}{52 g}

                            = 185576.9 C

As we know that, Q = I × t

Hence, putting the given values into the above equation as follows.

                      Q = I × t

           185576.9 C = 3.50 amp \times t  

                      t = 53021.9 sec

Thus, we can conclude that 100 g of Cr will be deposited in 53021.9 sec.

3 0
3 years ago
What is the most likely metal ion present in the fireworks shown in the image?
Tasya [4]
A because of the way it looks and how it works
8 0
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If Tommy had started with 0.75 moles of potassium carbonate how many moles of
worty [1.4K]

Answer:

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Explanation: suggest watching a video

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Warm air and water both tend to rise while cooler air and water sink. When different parts of the oceans are heated unevenly, th
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a

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