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3 years ago

What is the first man made organic compound synthesized in laboratory?

Chemistry

1 answer:

Anestetic [448]3 years ago

4 0

Answer : Urea was the first organic compound synthesized in laboratory.

Explanation : The German chemist named Friedrich Wöhler tried to obtain urea artificially by treating silver cyanate with ammonium chloride. He was successful in synthesizing this organic compound in the laboratory.

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HELP ME OUT PLS!!!

alina1380 [7]

D Direction of motion I hope this helps

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3 years ago

A 20. 0-liter flask contains a mixture of argon at 0. 72 atmosphere and oxygen at 1. 65 atmospheres. What is the total pressure

exis [7]

The total pressure of the system is equivalent to the sum of all the pressure of the individual gases. The total pressure of the flask is 2.37 atm.

<h3>What is total pressure?</h3>

According to Dalton's law, the total pressure of the system will be equivalent to the total of the pressures exerted by the individual gases present in the system.

The total pressure of gases is given as,

$\rm P = P_{1} +P_{2}+ P_{3}.....P_{n}$

Given,

The pressure of argon gas = 0.72 atm
The pressure of oxygen = 1.65 atm
Total pressure = P

Substituting values in the above equation:

$\begin{aligned}\rm P &= 0.72 + 1.65\\\\&=2.37\;\rm atm\end{aligned}$

Therefore, 2.37 atm is the total pressure of the flask.

Learn more about total pressure here:

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5 0

2 years ago

Many medical devices are designed using the electromagnetic spectrum. Which type of electromagnetic wave has enough energy to ki

tresset_1 [31]

Gamma rays because the kill every living cell and they have the shortest waves that are dangerous

4 0

3 years ago

Which statement is correct about molarity and volume?

Oksana_A [137]

Answer:

Explanation:

If the choices are:

A. Molarity is defined as moles of solute per liter of solvent.

B. % by mass is defined as grams of solute per 100 g of solvent.

C. % by volume is defined as grams of solute per 100 L of solution.

D. Molarity is defined as moles of solute per liter of solution.

E. All of the above.

then the ans is E

7 0

3 years ago

I NEED HELP ASAP PLEASE

scZoUnD [109]

I think it’d be C. I’m not 100% if it is tho

8 0

3 years ago