Chemistry Chapter Review
Calculate the molarity of solution given the following information: 10 g of NaOH dissolved in 500 mL of solution.
0.5 M
A solution with a pH of 11 has a [H+] of:
1 x 10-11
N2+3H2->2NH3 1. How many molecules of H2 are in the reaction? 2. How many nitrogen atoms are present? 3. How many moles of NH3 are formed?
1-3 1-2 3-3
Potassium fluoride (KF), a salt, has a gram-formula weight of 58.10 grams. How many grams would be needed to mix 1.00 liter of 5.00 M salt solution?
291 g
What volume of 0.10 M NaOH is required to neutralize 30 mL of 0.10 M HCl?
30 mL
Calculate the mass in grams of 0.35 moles of CH4.
5.6g
The oxyorganic compound most likely to be an acid is:
C 2H 5COOH
The general formula for the alkene series is:
CnH2n
It is likely that Si and P would substitute for each other in a solid solution.
False
Most carbon compounds are formed by transferring electrons with carbon.
False
The reaction between C2H6 and Cl2 is by addition.
False
Use a value of Ksp = 1.8 x 10-2 for the reaction PbCl2>Pb2+2Cl-. If the value of Ksp is determined to be only 1.2 x 10-2:
The solution is unsaturated
Hydrocarbons contain only hydrogen and carbon.
True
Like dissolves like.
True
Methane, CH4, is an organic compound and a hydrocarbon.
True
More activation energy is required to halogenate alkanes than to halogenate alkenes.
True
Proteins and amino acids cannot synthesize themselves solely from the random combination of chemicals.
True
Proteins are chains of amino acids.
True
The R-group controls the properties of alcohols and amines.
True
The alcohol family has properties similar to H2O.
True
Which of the following is not one of the three largest sources of materials needed to form carbon compounds?
Wood
An acid is:
a proton donor
The bonding of extra atoms or molecules to an unsaturated hydrocarbon is called
addition
An ester is the reaction product between:
alcohol and organic acid
The functional group -CHO is characteristic of a(n):
aldehyde
Amines and amides are derivatives of:
ammonia
The reaction 2Cu + O2>2CuO has long been called an oxidation reaction. Copper also reacts with chlorine: Cu + Cl2>CuCl2In such a reaction:
copper is oxidized
Bonding atoms with similar electronegativity values form ________ bonds.
covalent
Electrolytes are defined as those compounds which:
dissolve in a solvent such as water to produce a solution which conducts electric current easily
Alkenes react by breaking the ______ bond.
double
The polymerization of amino acids requires specific:
enzymes
A hydrocarbon with this formula C5H10:
has a double paired C-C bond
The R-COOH compound behaves as an acid.
true
