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erik [133]
3 years ago
14

Which is a major disadvantage of using wind power?

Chemistry
2 answers:
Triss [41]3 years ago
7 0
It is the large amounts of land required.  Wind turbines do not put out much power and is affected by the amount of wind in a given area.
AlladinOne [14]3 years ago
5 0
I guess the answer is D
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Hat is the oxidation state of each element in the compound CaSO4? Include + or - in your answers as appropriate.
quester [9]
As per the rule, oxidation number of alkaline earth metals in their compounds is +2. Oxidation number of oxygen in it's compounds is -2(except peroxides) and the sum of oxidation numbers of all the elements of a neutral compound is zero.
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3 years ago
Does protecting animals so they won’t go extinct help with climate change?
Alchen [17]

Answer:

Yes

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6 0
2 years ago
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In a chemical equation the sum of the masses
monitta
The sum of the masses of the reactants must equal the sum of the masses of the products; as required by 
the Principle of Conservation of Mass. 
5 0
3 years ago
When 2.5 mol of O2 are consumed in their reaction, ________ mol of CO2 are produced
Vika [28.1K]

The given question is incomplete. The complete question is:

The combustion of propane (C3H8) in the presence of excess oxygen yields CO_2 and H_2O

C_3H_8(g)+5O_2 (g)\rightarrow 3CO_2(g)+4H_2O (g)

When only 2.5 mol of O_2 are consumed in order to complete the reaction, ________ mol of CO_2 are produced.

Answer: Thus when 2.5 mol of O_2 are consumed in their reaction,  1.5 mol of CO_2 are produced

Explanation:

The balanced chemical equation is:

C_3H_8(g)+5O_2 (g)\rightarrow 3CO_2(g)+4H_2O (g)

According to stoichiometry :

5 moles of O_2 produce = 3 moles of  CO_2

Thus 2.5 moles of O_2 will produce = \frac{3}{5}\times 2.5=1.5 moles of  CO_2

Thus when 2.5 mol of O_2 are consumed in their reaction,  1.5 mol of CO_2 are produced

4 0
3 years ago
How many moles of H,O must be decomposed to form 200 moles of H,?<br> 24,0 2H +0,
son4ous [18]

Answer:

300

Explanation:

at least 300 molecules

8 0
3 years ago
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