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UkoKoshka [18]
3 years ago
12

Why is an energy source needed in order to have a working electric circuit

Chemistry
1 answer:
alex41 [277]3 years ago
6 0
That's easy. Because then you won't have energy
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Andreas93 [3]

Answer:

Sap?

Explanation:

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3 years ago
How many grams of oxygen will react with 2.0 grams of iron II sulfide?
Elenna [48]

Answer:

How many grams Iron(II) Sulfide in 1 mol? The answer is 87.91. We assume you are converting between grams Iron(II) Sulfide and mole. You can view more details on each measurement unit: molecular weight of Iron(II) Sulfide or mol The molecular formula for Iron(II) Sulfide is FeS. The SI base unit for amount of substance is the mole.

Explanation:

3 0
3 years ago
N2 +3H2 → 2NH3 What volume of ammonia at STP is produced if 30.0 g of nitrogen gas is reacted with an excess of hydrogen gas?
WARRIOR [948]

Answer:

V= 48L

Explanation:

Moles of N2 = m/M = 30/28= 1.07moles

From the equation of reaction

N2 +3H2 → 2NH3

1mole of N2 produces 2mole of NH3

Hence

1.07moles will produce 1.07×2= 2.14 moles

At STP, 1mole occupy 22.4L

Hence volume of N2 produced = 2.14×22.4= 48 L

3 0
4 years ago
Except for the noble gases, nonmetals tend to have high electron affinities. What properties of nonmetals do you think are the r
kondor19780726 [428]

Answer:

Nonmetals are further to the right on the periodic table, and have high ionization energies and high electron affinities, so they gain electrons relatively easily, and lose them with difficulty.

Explanation:

They also have a larger number of valence electrons, and are already close to having a complete octet of eight electrons.

6 0
3 years ago
Read 2 more answers
You are able to observe the release of energy in forms of what?
Vsevolod [243]
A.) Heat, light, or sound.
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