Which of the following dissociates in water to form the lowest concentration of H+
a. HCl (aq)
b. H2SO4 (aq)
c. HBr (aq)
d. H2CO3 (aq)

All cells are made of four types of acids, lipids, proteins, and carbohydrates.

How many moles of cu are needed to react with 5.8 moles of agno3? cu + 2 agno3 → cu(no3)2 + 2 ag

Select the statement that describe chemical properties a. antacid tablets neutralize stomach acid b. helium is the lightest monatomic element c. water freezes at 0 celsius d. mercury is liquid at room temperature