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Lesechka [4]
4 years ago
5

What is harmed by acid precipitation?

Chemistry
1 answer:
Anna71 [15]4 years ago
8 0

Answer:

Trees and leaves mostly. A lot of nature and greenery.

Explanation:

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Pure substance definition is?
Vaselesa [24]

Answer:

It is a sample of matter with both constant and definite composition

Explanation:

8 0
4 years ago
Read 2 more answers
A gas balloon has a volume of 106.0 liters when the temperature is 25.0 °C and the pressure is 740.0 mm Hg. What will its volume
ipn [44]

Answer : The final volume of gas will be, 103.3 L

Explanation :

Combined gas law is the combination of Boyle's law, Charles's law and Gay-Lussac's law.

The combined gas equation is,

\frac{P_1V_1}{T_1}=\frac{P_2V_2}{T_2}

where,

P_1 = initial pressure of gas = 740.0 mmHg  = 98.4 kPa

Conversion used : (1 mmHg = 0.133 kPa)

P_2 = final pressure of gas = 99.3 kPa

V_1 = initial volume of gas = 106.0 L

V_2 = final volume of gas = ?

T_1 = initial temperature of gas = 25.0^oC=273+25.0=298K

T_2 = final temperature of gas = 20.0^oC=273+20.0=293K

Now put all the given values in the above equation, we get:

\frac{98.4kPa\times 106.0L}{298K}=\frac{99.3kPa\times V_2}{293K}

V_2=103.3L

Therefore, the final volume of gas will be, 103.3 L

8 0
4 years ago
3.) All matter has both physical and chemical properties. A physical property is one that does not change the chemical nature of
dexar [7]

Answer:

D

Explanation:

It would be D because you are observing the reaction and don’t change anything

8 0
3 years ago
a. The atomic mass defines the elemental identity of an atom. b. The atomic number of an element is approximately equal to the n
olga nikolaevna [1]

B

Explanation:

option b is correct because

hydrogen is smallest atom

isotopes of elements have different atomic mass

atom mass have nothing to do with elemental identity

3 0
3 years ago
Kevlar is a synthetic polymer that was marketed for the first time in 1971. It is difficult to cut and does not shrink when expo
lubasha [3.4K]
C. because it doesn't break down without chemicals, so it would eventually just pile up.
3 0
4 years ago
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