Predict if each of the reactions contains mostly products or mostly reactants at equilibirum: a. H2CO3(aq) + H2O(l) [back and forth arrows] HCO3-(aq) + H3O+ (aq)

b. NH4+(aq) + H2O(l) [back and forth arrows] NH3+(aq) + H3O+(aq)

c. NHO2 (aq) + H2O (l) [back and forth arrows] NO2-(aq) + H3O+ (aq)

What is the ima of the 1 st class lever in the graphic given? 2 3 0.5

Freezing and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.

Which of the following are good traits of a hypothesis? it will be able to be testedit can predict an outcomeit will explain the observationsall of these