To use Le Chatelier’s principle to predict the effect of a change in temperature on a system at equilibrium, you must ________
What does a negative enthalpy value mean?
In an exothermic process _________.
How will increasing the temperature affect the rate of a reaction?
Given 16.2 grams of a substance Y, if the substance absorbs 2722 joules of energy and the specific heat of the substance is 9.22 J/g.C, what is the final temperature of the substance of the initial temperature was 26 C?
What unit would a calorimeter use?
How much heat is necessary to melt 56.72 grams of substance Y from solid phase at 15 C to liquid at the same temperature? Melting point of substance Y = 15 C, heat of fusion = 5.51 J/mol, MW = 14.77 g/moL
What is the first law of thermodynamics?
According to the law of conservation of energy ______
In general, non-spontaneous reactions _______
What does entropy measure?
What is the result of an effective collision?
What is temperature?
Which can affect the rate of a reaction?
Chemical equilibrium is described as dynamic because _____