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MaRussiya [10]
3 years ago
11

In chromatographic technique, the sample is dissolved in a solvent and the solvent is called?

Chemistry
1 answer:
slamgirl [31]3 years ago
5 0

Answer:

add me!!!

Explanation:

my insta is: becomewhatyouwant2inlife

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32.7 grams of water vapor takes up how many liters at standard temperature and pressure (273 K and 100 kPa)?
kotegsom [21]
Under standard temperature and pressure conditions, it is known that 1 mole of a gas occupies 22.4 liters.

From the periodic table:
molar mass of oxygen = 16 gm
molar mass of hydrogen = 1 gm
Thus, the molar mass of water vapor = 2(1) + 16 = 18 gm

18 gm of water occupies 22.4 liters, therefore:
volume occupied by 32.7 gm = (32.7 x 22.4) / 18 = 40.6933 liters

5 0
3 years ago
NaCIO3 compound name​
Black_prince [1.1K]

Answer:

Sodium chlorate

Explanation:

I searched it up

Can I pls have a brainliest Pls

:) :) :) :)

6 0
3 years ago
A balloon with volume of 2.0l is filled with gas at 3 atmosphere. If the pressure were reduced to 0.5 atmosphere without the cha
solong [7]
Answer: 12L

Explanation:

To find the correct volume of the balloon, we can use the mathematical representation of Boyle’s law which states that a gas’s volume is inversely proportional to its pressure (as one increases the other decreases).

The equation for it is P1 * V1 = P2 * V2 where P1 and V1 represent the initial pressure and volume of the gas and P2 and V2 represent its changed temperature and volume.

In this case, the initial pressure of the gas inside the balloon is 3atm while its initial volume is 2.0L. Its pressure is then reduced to 0.5atm.

If we apply this information to the equation for Boyle’s law, we get
2L * 3atm = 0.5atm * V2.

Through arithmetic, we find that
6 = 0.5atm * V2
6/0.5atm = V2
12L = V2.

So, the volume of the balloon is 12L.

Hope this helps!
7 0
4 years ago
How many total oxygen atoms are in lead (II) nitrate? *<br> Pb(NO3)2
inna [77]
One lead atom, two nitrogen atoms, four oxygen atoms.
3 0
4 years ago
How does a scientist critique another scientist’s conclusion?
Marat540 [252]
<span>by performing more experiments</span>
7 0
4 years ago
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