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Scrat [10]
3 years ago
9

PLEASE HELP!!! Which claim about the causes of air pollution and water pollution is true? A. the burning of fossil fuels causes

both air pollution and water pollution. B. the burning of fossil fuels causes air pollution, but only runoff of chemicals causes water pollution. C. The burning of fossil fuels causes air pollution, but only acid rain causes water pollution. D. the burning of fossil fuels causes neither air pollution nor water pollution
Chemistry
2 answers:
faust18 [17]3 years ago
6 0

Answer:

I think it's A

Explanation:

if u wrong I'm sorry cause the brain said A THE CORRECT ANSWER:)

BaLLatris [955]3 years ago
3 0

Answer:

the first one which is A

Explanation:

the burning of fossil fuels causes both air pollution and water pollution

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A graduated cylinder was filled with 25.0 mL of water. A solid object was immersed in the cylinder, raising the water level to 3
yawa3891 [41]

Answer:

Density of the object is 8759.494 grams/L

Explanation:

As we know density of an object is mass of the object divided by its volume

Given

Volume of the object is equal to the change in volume of water with in the cylinder when the object was immersed in water.

Hence, volume of object is equal to

32.9 -25 = 7.9 mL

Mass of the object is 69.2 grams

Density

= \frac{69.2}{7.9 *10^{-3}}\\= 8759.494 grams/L

Density of the object is 8759.494 grams/L

7 0
3 years ago
What is another name for the Group 2 Elements? *
Ira Lisetskai [31]
Group 2 elements are the alkaline earth metals
5 0
2 years ago
How many electrons in the 4 and 5th shell?
patriot [66]
The fifth shell can hold up to 50 electrons and the forth shell can hold 8 electrons 
8 0
2 years ago
Hydrocarbons, compounds containing only carbon and hydrogen, are important in fuels. The heat of combustion of cyclobutane, C4H8
Gennadij [26K]

Answer:

1. C4H8 + 6O2  -----> 4CO2 + 4H20

2. 3836.77 kcal

Explanation:

1. Balanced equation for the complete combustion of cyclobutane:

C4H8 + 6O2  -----> 4CO2 + 4H20

2. Heat of combustion of cyclobutane = 650.3 kcal/mol

    Molecular weight of cyclobutane, C4H8 = 56.1 g/mol

   Mole of C4H8 : mass of cyclobutane/Molecular weight of cyclobutane

  Mole of C4H8 = 331/56.1 = 5.9 mol

Energy released during combustion =  5.9 mol × 650.3 kcal/mol = 3836.77kcal

Therefore the energythat  is released during the complete combustion of 331 grams of cyclobutane is 3836.77kcal

8 0
2 years ago
Is it possible for metal to become a liquid? Yes or no? If yes, why?
vampirchik [111]

yes through the process of melting

3 0
3 years ago
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