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OverLord2011 [107]
3 years ago
7

Which word should replace the question mark in the diagram?

Chemistry
2 answers:
shutvik [7]3 years ago
8 0

Answer:

Could you provide a diagram?

Explanation:

Gala2k [10]3 years ago
6 0
There isn’t a diagram!
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Fission reactions are induced in nuclear power plants because they produce great amounts of energy. Often, a nucleus must be for
alex41 [277]

Answer:

Chain reaction

Explanation:

A chain reaction is a reaction that sustains itself. It has the ability to continue for a very long time without adding any more materials to the reaction system. It may be succinctly described as a self propagating reaction.

In a nuclear fission, uranium-235 is bombarded with neutrons to produce unstable uranium-236 which disintegrates to form daughter nuclei and produce more neutrons that bombard more uranium-235 and the reaction continues indefinitely.

8 0
3 years ago
Enter your answer in the provided box. an aqueous solution containing 10 g of an optically pure substance was diluted to 500 ml
sladkih [1.3K]

Answer:

[α] = -77.5° / \frac{\textup{dm-g}}{\textup{mL}}

Explanation:

Given;

Mass of optically pure substance in the solution = 10 g

Volume of water = 500 mL

Length of the polarimeter, l = 20 cm = 20 × 0.1 dm = 2 dm

measured rotation = - 3.10°

Now,

The specific rotation ( [α] ) is given as:

[α] = \frac{\alpha}{c\times l}

here,

α is the measured rotation = -3.10°

c is the concentration

or

c = \frac{\textup{Mass of optically pure substance in the solution}}{\textup{Volume of water}}

or

c =  \frac{10}{500}

or

c = 0.02 g/mL

on substituting the values, we get

[α] = \frac{-3.10^o}{0.02\times2}

or

[α] = -77.5° / \frac{\textup{dm-g}}{\textup{mL}}

7 0
3 years ago
Which equation shows how to solve for enthalpy of solution based on the information in tables?​
Tatiana [17]

Answer: B. triH sol Mgl2= -triHlat+ triHhydr Mg^2+ 2triHhydr^l-

Explanation:

Just did it and it was right

8 0
3 years ago
When you use a crowbar to lift a large rock, you are working against the force called
Ne4ueva [31]
Gravity. The rock is being pushed down and you are counteracting that force with a crowbar pushing it upward.
7 0
3 years ago
6. Which of the following statements correctly describes what happens to the diaphragm during an
Crank
Answer is B.

As the diaphragm contracts and flattens, it increases the volume of the thorax where the lungs are located. This results in a decrease in pressure (Boyle’s Law, if you know it) that creates a pressure gradient from outside to inside. This is what causes air to move into the lungs.
3 0
3 years ago
Read 2 more answers
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