2 years ago

What is used to make the dry cells ????

1 answer:

3 0

Answer: The parts of a dry cell battery are as follows: at the center is a carbon rod called a cathode. The cathode is surrounded by an electrolyte paste. The paste and cathode are surrounded by a separator before finally being sealed within a zinc cylinder.

Explanation: A diagram is show below

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What is the condensing point of water

lorasvet [3.4K]

The condensation point of water is the same as the boiling point of water. This occurs at 212 degrees Fahrenheit or 100 degrees Celcius. As you increase water up to end beyond 100 degrees celcius, the water will boil

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2 years ago

According to the law of conservation of mass, if an element A has an atomic mass of 2 mass units and element B has an atomic mas

LenaWriter [7]

The law of conservation of mass states that mass is neither created nor destroyed. Since we have 2 g/mol of A and 3 g/mol of B then AB should be equal to the sum of their molar mass that is

2 g/mol + 3 g/mol = 5 g/mol AB

for the case of A2B3

A2 = 2 * 2 = 4 g/mol
B3 = 3 * 3 = 9 g/mol

therefore A2B3 = 13 g/mol

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3 years ago

Pls help question 2 ill attach a picture

Finger [1]

Answer:

X 154

Check solution in explanation

Explanation:

Average atomic mass = ( mass 1× abudance) + ( mass 2× abudance)+ ( mass 3× abudance) / 100

(149×13.8)+(152×44.9) +(154×41.3)/100

2056.2 + 6824.8 + 6360.2/100

=152.412