3 years ago

Definition of reactant

Chemistry

1 answer:

Alecsey [184]3 years ago

5 0

a substance that takes part in and undergoes change during a reaction.

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The complete periodic table of the elements with columns color-coded.

Dafna1 [17]

Answer:

peroid num= 3

group num=13 (boron Group)

Explanation:

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Which of the following pieces of lab equipment is used to protect eyes

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Answer:

eye were or eye glasses

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A sample of helium gas has a volume of 1.25 L and a temperature of 22 °C, under a constant pressure. What is the new volume if t

Digiron [165]

Answer:

the new volume is 1.35L

Explanation:

The computation of the new volume in the case when the temperature rises to 45 degrees is shown below:

GIven that

Volume = 1.25L

And, the temperature is 22 degrees celsius

So, $T_1$ = (275 + 22)k

= 297 k

Now

$T_2$ = (275 + 45)k

= 320 k

Now as it is a constant pressure

So, the new volume is

$\frac{V_1}{T_1} = \frac{V_2}{T_2} \\\\V_2 = \frac{V_1}{T_1}\times T_2 \\\\= \frac{1.25}{297}\times 320$

= 1.35L

hence, the new volume is 1.35L

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3 years ago

What type of chemical bond is present in the CI2 molecule?

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What kind of Chemical bond is present in the C12 molecule

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3 years ago

3. How many grams are in 7.83 X 10 23 atoms of iron?

const2013 [10]

Answer:

8010.09

Explanation:

7.83 X 10 23

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