Question

Can someone pls explain me this problem


I need the steps also ​

Answer 1

Explanation:

1 cal = 4.184 J

1 gm = 1 × 10^-3 kg

So 5 cal /gm = 5 × 4.184 × 10^3 J/kg = 20920

So 5 cal/gm = 20920 J/kg

Pls verify

Answer 2

Answer:

pH is a measure of how acidic/basic water is. The range goes from 0 - 14, with 7 being neutral. pHs of less than 7 indicate acidity, whereas a pH of greater than 7 indicates a base. pH is really a measure of the relative amount of free hydrogen and hydroxyl ions in the water.

Explanation:

I'm fine