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marysya [2.9K]
3 years ago
9

Can anyone do my Ap environmental science package I will pay you

Chemistry
1 answer:
Phoenix [80]3 years ago
4 0

Answer:

i have taken environmental science so i can help

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Please answer asap!
hram777 [196]
1.) A compound is a thing that is composed of two or more (separate) elements.

2.) A compound cannot be separated easily, while its properties differ from where it originates from. It also is formed from chemical reactions.

3.) A pure substance, also known as chemical substance, is a material with constant composition and consistant properties.

4.) If a substance is not a pure substance, then it is an impure substance.

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4 0
3 years ago
Question 15 need this answered asap (chemistry)
Tcecarenko [31]

Answer:

80.7 L

Explanation:

PV = nRT

P = 1520 mmHg = 2 atm

n = 5 mol

R = 0.08206 (L * atm)/(mol * K)

T = 393.15 K

2 (V) = 5 (0.08206) (393.15)

V ≈ 80.7 L

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3 years ago
element m is a metal and its chloride has the formula mcl2. to which group of the periodic table does m most likely belong
Triss [41]
It will belong to the metals because metals bond with nonmetals like chlorine to form ionic compounds
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Convert 3.82 inches to km
weeeeeb [17]

the answer is 0.000097 KM

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The energy absorbed or released when an electron is added to a gaseous atom is know as
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Exothermic reaction hope I helpef
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