Answer:
g x 334 J/g = 3340J or 3.34kJ.
Explanation:
The difference between phyisical and chemical change is the phyisical change is by nature and chemical change is by substance
A pH of exactly 1. I’m not lying... look it up.
<span>48.4%
For this problem, you don't even need to look up the atomic weights. Just simply determine how many percent of 7.28 is 3.52? So do the division.
3.52 / 7.28 = 0.483516484 = 48.3516484%
And of course, round the result to 3 significant figures since that's how many significant figures we have in our data, so we get 48.4%</span>