Answer:
Whats the hypothesis and the experiment?
Explanation:
I cant really help without context
It’s a exothermic reaction.
You can cross multiply and then get k alone so it would look like this:
76 81
----- = ------ = 76k= 24624
304 k ----- ----------- = k = 324
76 76
so k is equal to 324
hope this helps have a nice day
Answer:

Explanation:
Given



Required
Determine the final mass
First we need to determine the total mass after the sample mass is added to an additional sample;



Next, divide the total mass by 3



The final mass is calculated as follows;



<em>Hence, the final mass is 17.560943085g</em>
Answer:
Explanation:
If observed through the year, the constellations shift gradually to the west. This is caused by Earth's orbit around our Sun. In the summer, viewers are looking in a different direction in space at night than they are during the winter.