Ideal Gas Laws

I am given the volume (1024ml), pressure (1.2 atm) and temperature (36o C) and I need to determine the number of moles present.

Heat of reaction

For the reaction CO+NO2--> CO2+NO The activation energy for the forward reaction is 135kJ/mol of CO reacted from THIS information determine, A) the heat of the reaction B) what would happen to the reverse reaction

lab write-up Analysis of K3[Fe(C2O4)3]3H2O

Here is what i have measured in the lab. not sure what to do. C2O4^2- sample 1 sample 2 1.molarity KMnO4 .021 .021 2weight of sample .216 .0249 3 final buret reading 38ml 40.7ml 4 initial" " 2.3ml 6.5ml 5 volume KMnO4 35.7ml 34.2ml 6 moles KMnO4 ? ? 7 moles C2O4^2- ? ? 8 second titration(step 9 of experiment) sample1 sample 2 Initial buret reading 8.5ml 14.7ml final " " 14.7ml 18.5ml

Elements

Questions 1 - 3: a) F b) S c) Mg d) Ar e) Mn 1) Forms monatomic ions with -2 charge in solutions. Ans A, B, C, D or F 2) Forms a compound having the formula KXOsub 4. Ans A, B, C, D or E 3) Forms oxides that are common air pollutants and that yield acidic solutions in water. Ans A, B, C, D or E

elements

Questions 4 - 6: a) Hydrofluoric acid b) Corbon dioxide c) Aluminum hydroxide d) Ammonia e) hydrogen peroxide 4) Is a good oxidizing agent. Ans A, B, C, D or E 5) Is used extensively for the production of fertilizers. Ans A, B, C, D or E 6) Has atmospheric properties. Ans A, B, C, D or E