What is enthalpy?

A. Enthalpy is the heat involved in a reaction.

B. Enthalpy is the temperature of a reaction.

C. Enthalpy is the mass involved in a reaction.

D. Enthalpy is the kinetic energy of a system.

Which reagent is the limiting reactant when 0.700 mol al (oh) 3 and 0.700 mol h2so4 are allowed to react?

How many atoms are in HNO3

Explain the relationship between the plate tectonics and volcanoes

Select whether there is no work done by the system, work done by the system or work done by the surroundings for each system described below: A. H2O (l) / longrightarrow⟶ H2O (g) ΔH = 44.0 kJ/mol B.

Suppose the following reaction system has reached equilibrium. Predict the effect if some O2 is removed from the system. 2SO2 (g) + O2 (g) - 2SO3 (g) Group of answer choices Equilibrium position shifts right, using up some O subscript 2.

Group two elements are a. Metals b. Nonmetals c. Transition metals

Which of the following atoms will not react with water? A. K B. Li C. Pb D. Na

Which of the following is not a component of plasma? A. Carbon monoxide B. Blood C. Water D. Oxygen

The atomic radius of an element _ when you move from the top to the bottom of a family. O decreases O increases

Lowest density of all elements