Chemistry, 28.11.2019 05:31, hcpswalkertl3
Be sure to answer all parts. write equations for the oxidation of fe and of al. use δg o f to determine whether either process is spontaneous at 25°c. (a) equation for oxidation of iron: δg o rxn : kj is the oxidation of iron spontaneous at 25°c? yes no (b) equation for the oxidation of aluminum: δg o rxn : kj is the oxidation of aluminum spontaneous at 25°c? yes no
Answers: 3
Chemistry, 22.06.2019 00:40, btcastongia
Which is a difference between molecular compounds and ionic compounds? select the correct answer below: question 5 options: molecular compounds typically form between a metal and a nonmetal, while ionic compounds typically form between nonmetals. molecular compounds result from the transfer of electrons between atoms to form ions, while ionic compounds result from the sharing of electrons between neutral atoms. molecular compounds are formed of discrete, neutral molecules, while ionic compounds are formed of large repeating arrays of opposite charges. molecular compounds have high melting points and high boiling points, while ionic
Answers: 3
Chemistry, 22.06.2019 14:50, alexabbarker9781
How are evaporation and sublimation similar? a both involve the formation of a gas. b both release energy to the surroundings. c both take place throughout a solid. d both take place at the surface of a liquid.
Answers: 1
Chemistry, 22.06.2019 21:30, shiannethorn
How many liters of 3.0 m naoh solution will react with 0.60 liters of 4.0 m h2so4? h2so4 + naoh → na2so4 + h2o 1.2 l 1.6 l 2.4 l 2.8 l
Answers: 3
Chemistry, 23.06.2019 00:30, vane6176
You are attempting to recrystallize a crude product mixture. you add the appropriate amount of hot solvent and are allowing the solution to slowly cool to room temperature. however, at room temperature no crystals have appeared, which of the following methods should be used to induce crystallization? choose all correct answers. a) place the flask in an ice bath. b) swirl the contents of the flask. c) add a small seed crystal of the desired product. d) scratch the inside of the glassware using a stir rod. it can be multiple choices
Answers: 3
Be sure to answer all parts. write equations for the oxidation of fe and of al. use δg o f to determ...
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