Reactions and Equations
What type of reaction occurs when two ionic compounds exchange ions to form two new compounds?
Double Replacement
The substance present in the smaller amount in a solution.
The Solute
Name three factors that affect gas pressure.
Temperature, Volume, amount of Gas
What is the name for a reaction that releases heat to the surroundings.
Exothermic
The process where gas particles pass through a small opening.
Effusion
In the Brønsted-Lowry definition, this type of substance is a proton donor.
Acid
A solution that contains the maximum amount of dissolved solute at a given temperature.
Saturated Solution
At standard conditions, temperature is this many Kelvin.
273 K
Which equation relates internal energy, heat, and work?
ΔE = q + w
This law states that the total pressure of a gas mixture equals the sum of partial pressures.
Dalton's Law of Partial Pressures
Complete this equation, include states of matter: Ba(NO₃)₂(aq) + K₂SO₄(aq) →
BaSO₄(s) + 2KNO₃(aq)
Calculate the molarity of a solution containing 4.0 moles of NaCl in 600 mL of solution.
6.7 M
This gas law states that pressure and volume are inversely proportional at constant temperature.
Boyle's Law
If a system absorbs 200 J of heat and does 50 J of work, what is ΔE?
+150 J
Convert 26°C to Kelvin.
299K
In the reaction Zn(s) + Cu²⁺(aq) → Zn²⁺(aq) + Cu(s), name the reducing agent.
Zn
What volume of 5.0 M HCl is needed to make 250 mL of 1.5 M HCl?
75 mL
A gas at 2.0 L and 1.0 atm is compressed to 0.5 L at constant temperature. What's the new pressure?
4.0 atm
What does specific heat tell us about a substance?
The amount of energy needed to raise 1 gram of the substance by 1°C
In atmospheric chemistry, this compound reacts with water to form acid rain.
SO2 (sulfur dioxide)
Name the oxidation numbers of all elements in the compund H2SO4
H - +1
S - +6
O - -2
Which combination will form a precipitate: AgNO₃ + NaCl or KNO₃ + NaCl?
AgNO₃ + NaCl
The value of R in the ideal gas law using L·atm/(mol·K) units.
0.0821L·atm/(mol·K)
Calculate the energy needed to heat 100 g of water from 20°C to 80°C. (c = 4.184 J/g·°C)
25,104J
Using Graham's Law, if Gas A has a molar mass of 4 g/mol and Gas B has 16 g/mol, how much faster does A effuse than B?
Twice as fast