3 years ago

How did Wilma contribute to change in America

1 answer:

3 0

Answer:

She overcame her disabilities to compete in the 1956 Summer Olympic Games, and in 1960, she became the first American woman to win three gold medals in track and field at a single Olympics. Later in life, she formed the Wilma Rudolph Foundation to promote amateur athletics.

Explanation:

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B. from 52 moles of nitric acid, how many moles of silver nitrate will be produced?

IceJOKER [234]

Answer:

39 mol AgNO3

Explanation:

We have the equation 4HNO3 + 3Ag -----> 3AgNO3 + NO + 2H2O

We want to calculate the number of silver nitrate (AgNO3) moles that would be produced from 52 moles of nitric acid ( HNO3 )

We can calculate this by using mole ratio as well as dimensional analysis.

The mole ratio of Silver nitrate to nitric acid based on the balanced equation is 3AgNO3:4HNO3.

Using this we can create a table: The table is attached.

Breakdown of the table.

The moles of nitric acid cancel out and we multiply 52 by 3/4 to get 39 moles of Silver nitrate.

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3 years ago

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vaieri [72.5K]

Answer:

This process is known as doping. It can be done by adding either of two types of impurity to the crystal.

(A) By adding electron rich impurities i.e., group 15 elements to the silicon and germanium of group 14 elements.

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3 years ago

What is the function of the endoplasmic reticulum?

Semenov [28]

Answer:

option d

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it is a passage for the nucleus and the rest of the cell

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The reaction 2KBr(s) →+ Br2(l) + 2K(s) is a <br>Decomposition reaction

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Which of the following acts as a catalyst in your body? A. Sweat B. Enzymes C. Blood cells D. Sugar

Alenkasestr [34]

The answer is B. Enzymes.

Enzymes are biological catalysts that help cause reactions in your body.

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3 years ago