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yuradex [85]
3 years ago
5

What characterizes an electrolytic cell?

Chemistry
2 answers:
alexgriva [62]3 years ago
5 0

Answer:

a

Explanation:

a p e x :)

son4ous [18]3 years ago
3 0

Answer:

It requires added energy.

Explanation:

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in 1990, the men's singles winner of the us. open tennis tournament has his serves clocked at 127 mi/hr. How fast must a 56.6 g
Naddika [18.5K]

This problem is providing information about the mass of a tennis ball, 56.6 g (0.0566 kg) and asks for the velocity it will have to equal the wavelength of green light, which is 5400 A or 540 nm (5.4x10⁻⁷ m). Thus, after doing the math, the result is 2.17x10⁻²⁶ m/s.

<h3>Broglie's wavelength:</h3>

In this case, we recall the formula of the Broglie's wavelength as shown below:

\lambda =\frac{h}{mv}

Whereas lambda is the wavelength, h is the Planck's constant, m the mass and v the speed; thus, we solve for the speed according to the question:

v =\frac{h}{m\lambda}

<h3>Calculations:</h3>

Then, we just plug in the numbers we were given to get the answer:

v =\frac{6.626x10^{-34} kg*\frac{m^2}{s} }{0.056kg*5.4x10^{-7}m}\\\\v=2.17x10^{-26}m/s

Learn more about Broglie's wavelength: brainly.com/question/5440536

3 0
2 years ago
Which of the following you do NOT need to pay attention while using a centrifuge?
Phoenix [80]

Answer:

The radius of the centrifuge.

Explanation:

Hello,

Since the radius of the centrifuge is just a design parameter, it wouldn't be a cause of failure because it is used to know how many tubes could be fitted in into the centrifuge. On the other hand, keeping you attention away from other factors could turn into a failure as long as the sample could be poured down or just turn out inadequate for the expected results.

Best regards.

8 0
3 years ago
What is the difference between a nucleus in Biology and Chemistry?
alina1380 [7]

Answer:

:)

Explanation:

The nucleus in biology is usually referring to that of

living cells found in organisms in which contains DNA whereas the nucleus in chemistry is usually referring to that of atoms in which contains subatomic particles such as the proton and neutron.

7 0
1 year ago
Which of the following is a function of the geosphere
rewona [7]

The geosphere is where the earths crust, mantle, etc take place. Geosphere is where all the rocks take place in the earth.

Please mark as brainliest!

4 0
3 years ago
On which of the following objects will the earth exert a greater gravitational pull than on a baseball?
dem82 [27]

Answer:

b.

Explanation: brainliest

5 0
3 years ago
Read 2 more answers
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