In acid and base neutralization reaction 22.41 mL of 0.1273 M calcium hydroxide neutralizes 16.35 mL of HCI Calculate molarity (M) of HCI. Given reaction: Ca(OH)2 (aq) + 2HCl (aq) CaCl2 (aq) + 2H20 (1)

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?

Choose an equation that represents an enzyme-catalyzed reaction. (a) enzyme + substrate → enzyme-substrate complex (b) enzyme + substrate ←−→ enzyme + products (c) enzyme + substrate ←−→ enzyme-substrate complex → enzyme + products (d) enzyme + substrate ←−→ enzyme-substrate complex → enzyme-substrate complex + products

Acandle’s wick is the fabric string that holds the flame, and it burns down at a constant slow pace when the candle is lit. the wick is usually surrounded by wax. which is the most important property of covalent compounds that makes them useful for making candle wax? a low boiling point a low melting point a high boiling point a high melting point