Which compounds are the Bronsted - Lowry bases in the equilibrium?

HC2O4 - + H2BO3 - H3BO3 + C2O4 2-?

A. H2BO3 - and H3BO3

B. HC2O4 - and H3BO3

C. HC2O4 - and C2O4 ^2-

D. H2BO3 - and C2O4 ^2-

E. HC2O4 - and H2 BO3-

Give the major force between ethanol and rubbing alcohol.

Which component is required for the activation of some enzymes? a) Presence of a co-factor b) Basic pH levels in the substrate c) Higher enzyme concentration d) Lower temperature in the substrate

True or False: Sound waves are a type of transverse wave.

What explains the change in ionization energy that occurs between removing the first and second electrons from an atom

Jenna is playing with her toy cars, which are both the same size. She pushes the red car with a strong push. She pushes the blue car with a weak push. What should Jenna expect to observe?

When the Sun is in its maximum solar cycle, which of the following occurs? A. One CME is produced every five days B. There is an unpredictable amount of energy C. Up to three CMEs are created in one day D. Protons and neutrons accelerate

How many daughter cells are produced in meiosis?

Sodium chlorite - > sodium chloride + oxygen what type of chemical reaction is represented by this equation

The mixing of which pair of reactants will result in a precipitation reaction? the mixing of which pair of reactants will result in a precipitation reaction?

A balloon has 18.9 moles of hydrogen gas at a volume of 428 L. What would the volume of the gas be if the balloon had 14.0 moles of hydrogen gas left after 1 day?