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poizon [28]
3 years ago
14

Why do chemists routinely test existing chemicals

Chemistry
1 answer:
PIT_PIT [208]3 years ago
8 0

Answer:

The chemists such as analytical chemists determine the structure, composition, and nature of substances by examining and identifying their various elements or compounds. These chemists are crucial to the pharmaceutical industry because pharmaceutical companies need to know the identity of compounds that they hope to turn into drugs.

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Anestetic [448]

Answer:

False

Explanation:

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3 years ago
Pick 1 plz.....................
Alja [10]

Answer:

your answer should be B ANDC

3 0
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How many moles of H2 would be contained in 4.0 L of the gas at 202.6 kPa and 127°C?
kicyunya [14]
Use PV =nRT. Rearrange it to n = PV/RT.
P = 202.6 kPa
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R = 8.314 kPa*L/mol*K
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Plug it in and solve. I got 0.24 moles of H2. 
6 0
4 years ago
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What is the correct defination for carbon tetrachloride
V125BC [204]

B - CCL4

This is because it doesn't say Dicarbon or any of that sort, so Carbon is alone. This immediately eiminates the option of C.

A is incorrect as it has Chlorine first rather than Carbon, so that's also incorrect.

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The list is as so;

Mono - 1; Di - 2; Tri - 3; Tetra - 4; Penta - 5; Hexa - 6; Hepta - 7; Octa - 8; Nona - 9; Deca - 10.

Hope this helps!

5 0
4 years ago
Identify the atom below
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easy there are three levels so you look at the periodic table and go to the third row now the last level on this atom is 1 electron so your answer is <u>Na</u>

4 0
3 years ago
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