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Andrej [43]
2 years ago
9

Why is it important to learn about chemical reactions?

Chemistry
2 answers:
Westkost [7]2 years ago
4 0

Answer:

so we know what chemicals do when they meet other chemicals in order to find cures and thing like that

Explanation:

Eduardwww [97]2 years ago
3 0

Answer:

Well they help us understand the properties of matter of course!

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Balance NH4C2H3O2 + PbO2 and tell what type of reaction it is. Please help!! Time is limited!
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Identify what type of reaction is taking place:
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Which equation is balanced? “Hint...count the atoms of each element. Only compare like elements!​
lisabon 2012 [21]

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2 years ago
What are the concentrations of Cu2+, NH3, and Cu(NH3)42+ at equilibrium when 18.8 g of Cu(NO3)2 is added to 1.0 L of a 0.800 M s
Svetllana [295]

Answer:

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187.5 gm      4M           1 M

187.5 gm reacts with 4 M ammonia

18.8 g     reacts with  .4 M ammonia

ammonia remaining left after reaction

= .8 M - .4 M = .4 M .

187.5 gm reacts with 4 M ammonia   to form 1 M Cu(NH₃)₄²⁺

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At equilibrium , the concentration of Cu²⁺ will be zero .

concentration of ammonia will be .4 M

concentration of  Cu(NH₃)₄²⁺ formed will be 0.1 M

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3 years ago
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