SOMEONE PLEASE HURRY AND HELP ME!!! WILL GIVE 100 pts!!!!!!

Chemistry

2 answers:

GuDViN [60]3 years ago

8 0

Answer:

image isn't loading for me :((( can you try replying to me w the question

kirza4 [7]3 years ago

5 0

B

Have to make the letter requirement lol

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Doctors sometimes use computer models to track the spread of an infectious disease . How might this help them better understand

kotegsom [21]

It could them know how it start when it started wats in the infectious disease and why

7 0

3 years ago

Answer both 8 and 9 will give u brain list with explanation as well so don’t just answer

goldfiish [28.3K]

Answer:

8. the answer is B.

9. the answer is A.

Explanation:

Hello!

8. In this case, by bearing to mind that the limiting reactant is always completely consumed and the excess one remain as a leftover at the end of the reaction, we can also infer that as all the limiting reactant is consumed, it must determine the maximum amount of product as the excess reactant will hypothetically produce a greater mass than expected; thus, the answer to this question is B.

9. In this case, since the mole ratio of oxygen to water is 1:2, the following proportional factor is used to calculate the produced mass of water:

$3molO_2*\frac{2molH_2O}{1molO_2}=6molH_2O$