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kodGreya [7K]
3 years ago
8

In the diagram attached inside, if electrons flow from the right half-cell to the left one through the wire, which of the follow

ing statements is true?
A. The metal strip on the right has a lower activity than the one on the left.

B. The activities of both metal strips are equal.

C. The metal strip on the left has a lower activity than the one on the right.
Chemistry
2 answers:
Ahat [919]3 years ago
7 0

Answer: A.

Explanation: Got 100 on the test good luck..

Mrac [35]3 years ago
5 0

In the diagram attached inside, if electrons flow from the right half-cell to the left one through the wire, the statement that is true is that the metal strip on the right has a lower activity than the one on the left. The answer is letter A.

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A student does a titration with 14.80 mL of 0.225M H2SO4 and 25.00 mL of unknown LiOH solution. What is the molarity of the base
Degger [83]

Answer:

The molarity of the base is 0.2664 M

Explanation:

Firstly, we write the complete and balanced titration reaction.

H_{2}SO_{4(aq)}  +    2 LiOH_{(aq)}    →   Li_{2}SO_{4(aq)}   +   2H_{2}O_{(l)}

From the reaction, we can identify that 1 mole of the acid reacted with 2 moles of the alkali (base) to yield salt and water only

We identify the following also from the question;

V_{a} = 14.80 mL  , V_{b} = 25.00 mL , C_{a} = 0.225M and C_{b} = ?

n_{a} = 1 , n_{b} = 2

We use the relation;

C_{a}V_{a}/n_{a} = C_{b} V_{b}/ n_{b}

Plugging the values, we have ;

(0.225 × 14.80)/1 = ( C_{b} × 25.00)/2

C_{b} = (2 × 0.225 × 14.80)/25

C_{b} = 0.2664 M

8 0
3 years ago
Please help-----------------------------------------------------------------------------------------------------------a scientis
VARVARA [1.3K]

Answer:

A

Explanation:

The type of property used to describe a substance is reactivity

6 0
3 years ago
What is the oxidation number of Mn in kmno4
RideAnS [48]
Since O almost always has a charge of -2, the oxygen atoms have an overall charge of -8 (-2*4)

Since K has a charge of +1, that brings the overall charge to -7 (-8+1)

Then, in order for the overall charge to be 0, Mn would have to have a change of +7 (-7+7=0)

Hope this helps
5 0
3 years ago
Read 2 more answers
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crimeas [40]

Answer:

part 1 is from the article

Explanation:

5 0
3 years ago
How many atoms are in 17 moles of O?
omeli [17]

Answer:

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Explanation:

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