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allochka39001 [22]
3 years ago
5

The Case of the Missing Mass: Students have completed the experiment of combining vinegar and baking soda. They notice that thei

r beginning mass in the video does not match the ending one. Use the equation(below) and the Law of Conservation of Mass to explain why the students have NOT destroyed atoms in their experiment. This is the chemical equation for the experiment:
Chemistry
1 answer:
RSB [31]3 years ago
5 0
They notice that their beginning mass in the video does not match ... Use the equation(below) and the Law of Conservation of ... This is the chemical equation for the experiment:.
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Although chemical digestion occurs throughout the digestive system, it mostly occurs in the A esophagus and stomach
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2 years ago
Which is NOT correct for when the silver and vanadium half-cells are connected via a salt bridge and a potentiometer
lidiya [134]

The question is incomplete, the complete question is

Which is NOT correct for when the silver and vanadium half-cells are connected via a salt bridge and a potentiometer? Ag^+ + 1 e^- rightarrow Ag Edegree = 0.7993 V V^2+ + 2e^- right arrow V E degree =-1.125 V Ag+ is reduced V is oxidized 1.924 V V2^+ is reduced Ag is oxidized I and II III, IV, and V I, II, and III III only IV and V

Answer:

only IV and V

Explanation:

If we look at the values of reduction potential for the two species, we will discover that vanadium has a negative reduction potential indicating its tendency towards oxidation.

On the other hand, solve has a positive reduction potential indicating a tendency towards reduction.

This implies that vanadium must be oxidized and silver reduced and not the not her way ground? Hence the answer above.

7 0
2 years ago
Which dilute acid is used to make sodium carbonate salt ​
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2 years ago
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Which is the correct Lewis structure for carbon tetrabromide (CBr4), in which a central carbon atom is bound to four atoms of th
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3 years ago
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A balloon inflated in a room at 25oC has a volume of 3.00 L. If the balloon is heated at a constant pressure, at what temperatur
Alexeev081 [22]

Answer:

596K

Explanation:

Using Charles law equation;

V1/T1 = V2/T2

Where;

V1 = initial volume (L)

V2 = final volume (L)

T1 = initial temperature (K)

T2 = final temperature (K)

According to the information provided in this question,

V1 = 3.00 L

V2 = double of V1 = 2 × 3.00 = 6.00 L

T1 = 25°C = 25 + 273 = 298K

T2 = ?

Using V1/T1 = V2/T2

3/298 = 6/T2

Cross multiply

298 × 6 = 3 × T2

1788 = 3T2

T2 = 1788 ÷ 3

T2 = 596K

8 0
2 years ago
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