In the following reaction: 2KI + Cl2 --> 2KCl + I2 A 75.31 g sample of chlorine gas reacted with an excess of KI. What volume of iodine would be produced if the barometric pressure was .67 atm and the temperature was 35 degrees Celsius?

Iknow the answer to 13 is b and 14 is d. i just need to know why the correct answers are correct

Which statement best describes the oxidation numbers of the atoms found in magnesium chloride? a. magnesium has a 2- oxidation number and chlorine has a 1+ oxidation number. b. magnesium has a 2- oxidation number and chlorine has a 2+ oxidation number. c. magnesium has a 2+ oxidation number and chlorine has a 1- oxidation number. d. magnesium has a 1+ oxidation number and chlorine has a 1- oxidation number.

Which statement is usually true about the relationship between activation energy and reaction rates? low activation energy barriers result in low rates. high activation energy barriers result in low rates. low activation energy barriers result in no reaction. high activation energy barriers result in no reaction.