For the reaction: h2nnh2 (aq) + h2o (l) ⇌ h2nnh3 + (aq) + oh - (aq) determine the conjugate base of the acid?

Which is an example of a pure substance? A. coffee B. helium C. vinegar D. trail mix

Provide two written definitions of an oxidation-reduction reaction and for each definition tell which reactant is reduced and which is oxidized. Then tell which of the two definitions is the most comprehensive.

How do chemical weathering and physical weathering affect each other?

This massive shift in the crust of the earth is a result of plate tectonics What is it?

Of the choices below, which is true for the relationship shown? It is Ka for the acid H3P2O72-. It is Kb for the acid H3P2O72-. It is Ka for the acid H2P2O72-. It is Kb for the acid H2P2O72-.

At stp how many liters of nh3 can be produced from the reaction of 6.00 mol of n2 with 6.00 mol of h2?

In an experiment, the density of an unknown liquid was calculated to be 0.78 g/ml. if the accepted value is 0.75 g/ml, calculate the percent error made.

Given:A (g) + 3B (g) ⇋ C (g) + 2D (g) 1.0 mole of A and 1.0 mole of B are placed in a 5.0-liter container. After equilibrium has been established, 0.50 mole of D is present in the container. Calculate the equilibrium constant, Kc, for the reaction.

Amy is holding one end of a jump rope. Her friend Beth is holding the other end of the rope. Amy swiftly moves the handle of the jump rope downward, creating a large wave in the rope. Will Beth feel a tug on the rope at her end?

Carbon dioxide and water are produced when pentane (C5H12) reacts with oxygen. What are the coefficients for this reaction?