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3 years ago

D) velocity ratio =_________ Iload distance

Chemistry

1 answer:

Oksanka [162]3 years ago

4 0

Answer:

velocity ratio is defined as the ratio of distance moved by effort and load in the same time interval

Explanation:

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3 years ago

Suppose a 10.0 mL sample of an unknown

mote1985 [20]

The concentration of HCl is equal to 2.54mol/L.

<h3>Mole calculation</h3>

To solve this question, one must use the molarity calculation, which corresponds to the following expression:

$M = \frac{mol}{v}$

Thus, to find the molarity of the sample, the following calculations must be performed:

$V_f = 10ml + 625ml = > 635ml$

$\frac{0.004mol}{xmol} =\frac{1000ml}{635ml}$

$x = 0.00254 mol$

So, 0.00254 moles were added per 10ml, so we can do:

$\frac{0.00254mol}{xmol}= \frac{10ml}{1000ml} \\x = 2.54mol/L$

So, the concentration of HCl is equal to 2.54mol/L.

Learn more about mole calculation in: brainly.com/question/2845237

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2 years ago

What occurs when a magnesium atom becomes a magnesium ion?

IgorLugansk [536]

The atom then has more protons than electrons and so it will be positively charged, a positive ion. Example: A magnesium atom may lose two electrons and become a Mg2+ ion. Non-metal atoms may gain electrons and become negatively charged. ... (It loses two electrons.)

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3 years ago

Why do elements have different properties?

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3 years ago

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VladimirAG [237]

Answer:

do you mean?

Explanation:

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3 years ago

D) velocity ratio =_________ Iload distance​

D) velocity ratio =_________ Iload distance