Activation energy is?

A buffer consists of 0.21 M NaH2PO4 and 0.34 M Na2HPO4. Phosphoric acid is a triprotic acid (Ka1 = 7.2 * 10-3, Ka2 = 6.3 * 10-8, Ka3 = 4.2 * 10-13). (a) Which Ka value is most important to this buffer? Ka1 is most important. Ka2 is most important.

Which gas effuses faster at the same temperature: molecular oxygen or atomic argon?

What is the molar mass of silver (Ag) ? A) 47.0 g/mol B) 60.02 g/mol C) 107.87 g/mol D) 196.97 g/mol

Why is the formation of a ternary compound also a synthesis reaction?

When should a plastic volumetric flask be used instead of a more accurate glass flask? 1. when measuring acids 2. when measuring hazardous chemicals - the plastic flask is disposable 3.

In the following diagram the counter clockwise torque is?

A water wave travels 36 meters in 15 seconds. whatvis the speed of water?

Which type of wave cannot move without a medium in which to travel? Heat waves Light waves Sound waves Transverse waves

Which describes the burning of fossil

The flow of energy in an ecosystem is the best described as energy moving in