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3 years ago

Why is it important to check for violations of assumptions when hypothesis testing?

1 answer:

7 0

I think it is done to prevent extremes in experiments. Also to have a low standard error of measurement. In other words it is done for accuracy.

Please mark me as brainliest.

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What happens when molecules diffuse across the cell membrane?

mafiozo [28]

Answer:

The correct answer is from areas of high concentration to low concentration.

Explanation:

A concentration gradient exists for these molecules, so they have the potential to diffuse into (or out of) the cell by moving down it.

Hope this Helps!

7 0

2 years ago

Read 2 more answers

HELP ASAP<br><br> Describe the function of Cytokinesis in the cell cycle.

marta [7]

Cytokinesis ensures that one nucleus ends up in daughter cells during cell division

6 0

3 years ago

As a scuba diver descends under water, the pressure increases. At a total air pressure of 2.71 atm and a temperature of 25.0 C,

Semenov [28]

Answer:

$1.32\times 10^{-3} mol/L$ is the solubility of nitrogen gas in a diver's blood.

Explanation:

Henry's law states that the amount of gas dissolved or molar solubility of gas is directly proportional to the partial pressure of the liquid.

To calculate the molar solubility, we use the equation given by Henry's law, which is:

$C_{N_2}=K_H\times p_{liquid}$

where,

$K_H$ = Henry's constant = $6.26 \times 10^{-4}mol/L.atm$

$p_{N_2}$ = partial pressure of nitrogen

$p_{N_2}= P\times \chi_{N_2}$ (Raoult's law)

$=2.71 atm\times 0.78=2.1138 atm$

$C_{N_2}=6.26 \times 10^{-4}mol/L.atm\times 2.1138 atm$

$C_{N_2}=1.32\times 10^{-3} mol/L$

$1.32\times 10^{-3} mol/L$ is the solubility of nitrogen gas in a diver's blood.

3 0

3 years ago

Ionic formula for sodium oxide

Bas_tet [7]

The ionic formula of sodium oxide would be Na20

5 0

3 years ago

8. If the temperature of a piece of steel decreases, what happens to its density?

Verdich [7]

Answer:

I think the answer is the 3rd one

3 0

2 years ago