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ddd [48]
2 years ago
7

In your own words, explain how multiple approaches to a scientific investigation can be used to obtain the same result. Provide

at least one example in your answer.
Chemistry
1 answer:
aleksandr82 [10.1K]2 years ago
5 0

Answer:B

Explanation:

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Help. chemistry...........
nasty-shy [4]
<span>The </span>equilibrium<span> will </span>shift<span> to favor the side of the reaction that involves fewer moles of gas.
Its C

</span>
8 0
3 years ago
Read 2 more answers
(08.02
bogdanovich [222]

Answer:

b. The molarity of the solution increases

Explanation:

The correct answer is option b, that is the molarity of the solution increases.

Because the molarity is the concentration of the solution and it is explained as the amount of solute in amount of solution.

Solution: is the solute dissolved in solvent.

So if we increases the amount of solute in solvent the concentration in terms of molarity of solution increases and if we increase amount of solvent or water then the concentration or molarity increases.

Suppose we have form a sugar solution of 1 L by adding 4 mole of sugar then what happen

Use the Molarity formula

Molarity = no. of moles / 1 L of solution

put values in the formula

Molarity = 4/ 1 L of solution = 4 M

So the molarity of solution is 4 now if we add 2 mole more sugar to the same amount of sugar and amount of solution remain the same

now the no. of moles of sugar = 6 mole

So,

Use the Molarity formula

Molarity = no. of moles / 1 L of solution

put values in the formula

Molarity = 6 mol / 1 L of solution = 6 M

So the correct option is b.

7 0
3 years ago
The absolute temperature of a gas is increased four times while maintains a constant volume. What happens to the pressure of the
Galina-37 [17]
The pressure of the gas will increase with the temperature as each molecule moves around. think of hot air balloons the way they inflate that big balloon is a flame underneath the gas which increases temperature and pressure.
8 0
3 years ago
Read 2 more answers
What mass of magnesium oxide is produced when 60g of magnesium is burnt in air?
True [87]

Answer:

The chemical equation can be written as:

2Mg+O

2

→2MgO

48 g of Mg reacts with 32 g of O

2

.

Thus, 4.8 g of Mg reacts with 3.2 g of O

2

.

Now, 32 g of O

2

forms = 80 g of MgO.

3.2 g of O

2

produces =

32

80

×3.2 = 8 g of MgO.

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3 0
2 years ago
In one or two sentences, make and justify a claim about the frequency of a wave if the wavelength increases and the velocity sta
oksian1 [2.3K]

Answer:

The relationship between the frequency of a wave and the wavelength is an inverse relationship, therefore, if the wavelength of a wave increases and the velocity of the wave stays the same, the frequency of the wave decreases.

An example is the ocean wave, if the distance between successive wave crests, which is the wavelength, 'λ', of the wave, increases, while the velocity, 'v', of the wave coming to shore remains the same, the number of wave crest arriving at the beach in a given period of time, which is the frequency of the wave, 'f',  decreases according to the following equation;

f = v/λ

Explanation:

4 0
3 years ago
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