3 years ago

Can anyone draw a diagram of a liebigs condenser

Chemistry

1 answer:

MrMuchimi3 years ago

6 0

I googled it, here it is lol

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Using two different instruments I measured the length of my foot to be 27 centimeters and 27.00 centimeters. Explain the differe

Sophie [7]

Answer:

As you used two diferent instruments, one is more sensitive than the other.

Explanation:

The sensitivity of an instrument is the minimum amount of magnitude that can be differentiate a measurement system.

In method A, you got 27 cm, so if in method B, you got 27.00, method B is more sensitive. It's like saying that one system measures more than the other

8 0

3 years ago

Compute 214.056 + 9.3456. Round the answer appropriately

shusha [124]

214.0560
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3 years ago

The molar mass of an unknown gas was measured by an effusion experiment. It was found that it took 60 s for the gas to effuse, w

Marizza181 [45]

Answer:

The molar mass of the gas is 44 g/mol

Explanation:

It is possible to solve this problem using Graham's law that says: Rates of effusion are inversely dependent on the square of the mass of each gas. That is:

$\frac{r_1}{r_2} =\frac{\sqrt{M_2} }{\sqrt{M_1} }$

If rate of effusion of nitrogen is Xdistance / 48s and for the unknown gas is X distance / 60s and mass of nitrogen gas is 28g/mol (N₂):

$\frac{X/48s}{X/60s} =\frac{\sqrt{M_2} }{\sqrt{28g/mol} }$

6,61 = √M₂

44g/mol = M₂

<em>The molar mass of the gas is 44 g/mol</em>

I hope it helps!

4 0

3 years ago

What is symbol, molecule, electrovalent compound?

jok3333 [9.3K]

Answer:

the abbreviation form of full name is called symbol.

the smallest unit of cimpound is called molecule.

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3 years ago

Elements are simple ___

storchak [24]

Answer:

particles

atoms

broken

isotope

conductors

electricity

element

combined

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3 years ago