3 years ago

When a solution of ammonium sulfate is added to a

Chemistry

1 answer:

Artist 52 [7]3 years ago

7 0

Answer:

Explanation:

(NH4)2SO4+Pb(NO3)2...............PbSO4+2NH4NO3

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70000000000

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3 years ago

Solid potassium hydroxide koh decomposes into gaseous water and solid potassium oxide . write a balanced chemical equation for t

galina1969 [7]

<span>The chemical formula is pretty straightforward. 2KOH reacts to produce H2O and K2O. This is the balanced chemical reaction between: Solid potassium hydroxide koh decomposing into gaseous water and solid potassium.</span>

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3 years ago

Which atom has only one pair of electrons in its outermost energy level?

inysia [295]

Answer:

i belive A, i cold be wrong tho, pls tell me if im right if you fully find out

ght. Explanation:

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2 years ago

A person's heartbeat is 73 beats per minute. If his heart beats 3.1e9 times in a lifetime, how long does the person live?

tiny-mole [99]

Answer: The person lived for 80.66 years.

Explanation:

Heart beat of the person = 73 beat /min

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1 year =525600 mins

Life span = $0.0424\times 10^{9} min=80.66 years$

The person lived for 80.66 years.

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3 years ago

What volume of hydrogen ( in L ) is produced from the complete reaction of 56.49 g of magnesium metal at STP

alexandr1967 [171]

Answer:

<em>Mg = 24.30 g/mol) Mg(s) + 2HCl(aq) MgCl2(aq) + H2(g) Hint: 1 mole of gas at STP occupies 22.4 L</em>

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2 years ago