To use Le Chatelier’s principle to predict the effect of a change in temperature

To use Le Chatelier’s principle to predict the effect of a change in temperature
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Question 1

To use Le Chatelier’s principle to predict the effect of a change in temperature on a system at equilibrium, you must ________

Question 2

What does a negative enthalpy value mean?

Question 3

In an exothermic process _________.

Question 4

How will increasing the temperature affect the rate of a reaction?

Question 5

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?

Question 6

What unit would a calorimeter use?

Question 7

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

Question 8

What is the first law of thermodynamics?

Question 9

According to the law of conservation of energy ______

Question 10

In general, non-spontaneous reactions _______

Question 11

What does entropy measure?

Question 12

What is the result of an effective collision?

Question 13

What is temperature?

Question 14

Which can affect the rate of a reaction?

Question15

Chemical equilibrium is described as dynamic because _____