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Fudgin [204]
2 years ago
8

What is a disadvantage of using solar energy?

Chemistry
2 answers:
Nostrana [21]2 years ago
6 0

Answer:

c

Explanation:

mojhsa [17]2 years ago
5 0
B should be the answer
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Which electrons are lost by an atom of iron when it forms the Fe3+ ion?
astra-53 [7]
The two s Orbital electrons and one d orbital electron, are the electrons that are lost by an atom of Iron when it forms the Fe3 + ion. 
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3 years ago
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How would you describe a food chain to someone who never thought about that idea before
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A food chain is a sequence going from the producers on the bottom to the consumers to the top that shows what consumer eats what
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2 years ago
A scientist wants to make a solution of tribasic sodium phosphate, Na3PO4, for a laboratory experiment. How many grams of Na3PO4
ddd [48]

Answer:

178.35g

Explanation:

Molarity of a solution can be calculated using the formula:

Molarity = number of moles ÷ volume

Based on the information provided in this question, molarity (M) of the solution = 1.50 M, volume = 725 mL = 725/1000 = 0.725L, n = ?

1.50 = n / 0.725

n = 1.50 × 0.725

n = 1.0875mol

Molar mass of Na3PO4

23(3) + 31 + 16(4)

= 69 + 31 + 64

= 164g/mol

Mole = mass ÷ molar mass

1.0875 = mass/164

mass = 178.35g

5 0
2 years ago
Which statement is true about the compound ammonium sulfate [(NH4)2SO4] ?
BabaBlast [244]

Answer:

It is a salt of two polyatomic ammonium ions and one polyatomic sulfate ion

Explanation:

Ammonium Sulfate is an ionic compound formed by two polyatomic ions, Ammonium NH+4 and Sulfate SO−4 . ... Therefore, it will take two +1 ammonium ions to balance the one -2 sulfate ion. This will make the formula for Ammonium Sulfate (NH4)2SO4

4 0
3 years ago
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Which subscripts would properly complete the formula unit Al_N_?
MakcuM [25]
I believe that it would be Al1N1.
4 0
3 years ago
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