(07.01 LC) Which statement is true about endothermic and exothermic reactions?

Mixing barbiturates with alcohol can cause a ________________ effects where the combines result is ___________than the sum of the effects of each drug along.  

(07.01 LC) The potential energy diagram for a reaction starts at 180 kJ and ends at 300 kJ. What type of reaction does the diagram best represent?

(06.03 LC) Which of the following conditions remain constant in Gay-Lussac’s law?

(06.02 LC) A cooling curve has two flat lines, or plateaus. What does the plateau at the higher temperature represent?

(06.04 MC) What is the mass of 4.25 liters of N2 gas at STP?

Which of the following is considered a red flag when diagnosing a patient with pneumonia?

Ingestion is the mode of drug consumption that most quickly affects the brain.

(06.04 LC) Read the chemical equation.N2 + 3H2 → 2NH3Using the volume ratio, determine how many liters of NH3 is produced if 4.2 liters of H2 reacts with an excess of N2, if all measurements are taken at the same temperature and pressure?

(08.05 LC) The pH of four types of juices is shown below. Juice pH Apple 3.5 Lemon 2 Tomato 4 Orange 3 Which juice is the least acidic?