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MariettaO [177]
3 years ago
9

Which statement describes the energy changes that occur as bonds are brokes and a chemical reaction

Chemistry
1 answer:
Leni [432]3 years ago
7 0

Answer:

Energy is released when bonds are broken, and energy is absorbed when bonds are formed.

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Which of the following statements is true about the food chain below? Grass ⇒ grasshopper ⇒ bird ⇒ hawk The amount of energy tra
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In a food chain we arrange the energy in the form of a pyramid.

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Formula for zinc + nitric acid = zinc nitrate
Maslowich

Answer:

<em>Zinc nitrate is an inorganic chemical compound with the formula Zn(NO3)2. This white, crystalline salt is highly deliquescent and is typically encountered as a hexahydrate Zn(NO3)2•6H2O. It is soluble in both water and alcohol.</em>

Explanation:

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4 0
3 years ago
How many moles are in 17.50g of SO2
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The formula for mole is
n= Mass/Mol mass
Mol Mass: S=32
O2= 16(2)
—————
64 g/mol
N= 17.50 g
————— (cancel both g)
64 g/mol
= 0.27 mol is the answer
8 0
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