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sleet_krkn [62]
4 years ago
5

Compare and contrast scientific hypothesis, scientific theories ,and scientific laws

Chemistry
1 answer:
gulaghasi [49]4 years ago
5 0
<span>Scientific hypotheses, theories, and laws are all means to explain a scientific phenomenon. A hypothesis is a testable observation. There must be a way to test your "if X then Y" statement. A theory, while not always a linear shift from a hypothesis, is an established idea about why something happens, as verified by experimentation. A law is a proven fact about what happens and why.</span>
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Which statement is correct regarding the reaction ?
larisa86 [58]

The true statement is that after reaching equilibrium, the rate of forming products and reactants is the same.

<h3>What is true about the given reaction?</h3>

The given reaction shows a reaction between A and B to form CD

The reaction is a reversible reaction.

A reversible reaction is a reaction which can proceed in either of two ways where the reactants can react to form the product and also the products an break down to form the reactants.

In the reaction given, as the concentration of A and b decreases, the concentration of CD increases and vice versa.

At equilibrium, the rate of formation of CD is equal to the the rate of decomposition of CD.

Therefore, the true statement is that after reaching equilibrium, the rate of forming products and reactants is the same.

In conclusion, a reaction at equilibrium has the forward and backward reactions occurring at the sane rate.

Learn more about equilibrium reaction at: brainly.com/question/18849238

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5 0
2 years ago
A semipermeable membrane is placed between the following solutions. Which solution will decrease in volume?.
Ivan
Solution a : 1.4% (m/v) starch
6 0
2 years ago
2 Points
lbvjy [14]

Answer:

the correctanswer is a a and b

8 0
3 years ago
Read 2 more answers
In a solution the hydroxide ion concentration is 1 ✕ 10-12 M. What is the pH of the solution?
Deffense [45]

Answer:

pH = 2 and pOH = 12

Explanation:

Given [OH⁻] = 1 x 10⁻¹²M

pOH = -log[OH⁻] = -log(1 x 10⁻¹²) = - ( -12 ) = 12

pH + pOH = 14 => pH = 14 - pOH = 14 - 12 = 2

7 0
3 years ago
Atoms that have the same number of outer electrons
BARSIC [14]
I can see two answers, I’d go with D, but all neutral atoms, of the same element would have the same number of outer electrons. However, if you consider that some of the atoms might be ions, that would eliminate B.
4 0
3 years ago
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