Aqueous Chemistry
Out of the following which is a week electrolyte
HCO2H, NaCl, KBr, HCl, none of them
HCO2H
What is the oxidation number of carbon in HCO2H?
+2
Write the products of the reaction for AgNO3(aq) + NaCl(aq) --> ? + ?
AgCl(s) + NaNO3(aq)
600mL of air is at 20.0 C. what is the volume at 60.0 C?
682mL
What is the name of chemist Dr. Bunsen Honeydew's redheaded assistant on "The Muppet Show?"
Beaker
Classify the strong electrolyte: H2SO4
(e.g. salt, strong acid, strong base, etc.)
strong acid
What is the oxidation number of iron in FeO?
+2
write the reaction when hydrochloric acid reacts with sodium hydroxide
HCl + NaOH --> H2O + NaCl
Calculate the volume (in liters) occupied by 1.6 mol of HF at standard temperature and pressure conditions
35.9L
The compound H2O2, which can be used in hair bleaches, is typically referred by what two-word name?
Hydrogen peroxide
Calculate the molarity of 8.75 grams of sodium chloride in 40 mL of solution
3.74M
Which element in the reaction is being reduced? What is the oxidation number of that element?
Al + H^+ --> Al^3+ +H2
H^+, 1
Write the net ionic equation for the reaction AgNO3(aq) + NaCl(aq) --> ? + ?
Ag^+1(aq) + Cl^-1(aq) --> AgCl(s)
Calculate the volume (in liters) occupied by 0.50 mol of Carbon dioxide at 1.1 atm and 40 degrees celsius
12L
As its chemical symbol of Hg indicates, what liquid-at-room-temperature metallic element was once known as "hydragyrum"?
Which of the following are insoluble in water: FeCl3, Fe(NO3)2, FeS, FeO
FeS and FeO
Which of the following is the reducing reagent?
H2 + Ra^2+ --> H^+1 + Ra
H2
write the net ionic equation of the reaction between Na2CO3 + MgI2
Mg^2+(aq) + CO3^2-(aq) --> MgCO3(s)
A sample of NH3 initially at 1.50 atm is heated from 200K to 256K at a constant volume. Calculate the final pressure in atm.
1.92 atm
Winning for "their synthesis of new radioactive elements," the second woman to win the Nobel Prize for Chemistry was the daughter of two other Nobel prize winners. What was the family's surname?
Curie
What is the molarity of a solution when 5.00 moles of a certain compounds is diffused in 3L?
1.67 M
Which of the following is the oxidizing reagent?
2Au^+1(aq) + Cu(s) --> 2Au(s) + Cu^+2(aq)
Au^+1
Balance the reaction
KMnO4 + HCl --> KCl + MnCl2 + H2O + Cl2
2KMnO4 + 16HCl --> 2KCl + 2MnCl2 + 8H2O + 5Cl2
Nitrogen gas initially at 1.3 L, 2.1 atm, and 40 C undergoes a change so that its final volume and temperature are 4.2 L and 56 C. what is its final pressure? Moles remain the same.
0.68 atm
How many CHEM 1 peer leaders are there this semester?
41