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Vadim26 [7]
3 years ago
8

a student carries out this chemical reaction in a beaker: Zn+CuCl2-->Cu+ZnCl2 After the reactionhas come to completion, what

should the student expect to find in the beaker?​
Chemistry
1 answer:
BigorU [14]3 years ago
5 0

Answer:

The correct answer is

C. Cu and ZnCl2

Explanation:

I got it correct on PLATO

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When the chemical equation is balanced what is the ratio of the coefficient of Ag(s) to the cofficient of H2O(l)?___Ag(s)+____NO
RoseWind [281]

Answer:

Ag(s):H2O(l)  = 3:2

For 3 moles Ag(s) we'll have 2 moles H2O(l)

Option D is correct

Explanation:

Step 1: Balancing the equation

3 Ag (s) + 4 HNO3 (aq) → 3 AgNO3 (aq) + NO (g) + 2 H2O (l)

3 A g ( s )  +  4N O  ^3-  +  4 H +  → 3 A g + +3NO3- +   + N O  +  2 H 2 O

3 A g ( s )  +  N O  ^3-(aq)  +  4 H +(aq)  → 3 A g +(aq)   + N O(g)  +  2 H 2 O(l)

Step 2: The ratio between Ag(s) and H2O(l)

Ag(s):H2O(l)  = 3:2

For 3 moles Ag(s) we'll have 2 moles H2O(l)

Option D is correct

7 0
3 years ago
What is the wavelength of a photon containing 3.87x10-23) of energy? (answer in standard form)
max2010maxim [7]

Answer:

Refer to the attachment

8 0
3 years ago
What are the compounds that cause acid rain?​
larisa [96]

Answer:

Explanation:

Its a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air. These substances  rise  high into the atmosphere in which they mix and react with water, oxygen, and other chemicals to form more acidic pollutants.

3 0
3 years ago
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(1) The solubility of Salt AB2(s) is 5mol/dm^3. (a) Obtain an expression for the solubility product of Salt AB2,in terms of s.
maks197457 [2]

Answer:

See explanation

Explanation:

Let the equation of dissolution be;

AB2(s) ⇄A(aq) + 2S

Hence;

Ksp = [A] [2s]^2

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Ksp= s × (2s)^2

Ksp= 4s^3

Since s= 5mol/dm^3

Ksp = 4(5mol/dm^3)^3

Ksp = 500 mol^2dm^-6

6 0
3 years ago
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ehidna [41]

Answer:

Polar Bears

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6 0
3 years ago
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