Jay wants to know how the amount of acidity in rainwater influences the weathering rate of limestone.

2 answers:

5 0

Answer:- To check the reliability of our experiments we repeat the experiment many times and see if we get the same results or almost same results.

It's also good to compare the results of two or more students for the same experiment and see if they get the similar results.

So, to improve the reliability and accuracy of the experimental data, Jay needs to repeat the experiment and also ask his one or more friends to do the experiment and record the data.

creativ13 [48]3 years ago

3 0

He can repeat his experiment multiple times, and ask a friend to repeat it as well to see if they get the same answer.

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If 20 mL of gas is subjected to a temperature change from 10°C to 100°C and a pressure change from 1 atm to 10 atm,

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E. None of these

Explanation:

We know, By GAS laws,

PV = NRT, where p- pressure, v- volume, n- number of moles, R- gas constant ,and T- temperature

Now, In the question, the number of moles remains the same as the gas is the same. so n is constant so we can compare n before and after a temperature change.

$\frac{P1V1}{RT1}$ = $\frac{P2V2}{RT2}$