Chp 4 Vocab
The reactant that makes the least amount of product
What is the Limiting Reactant?
How many grams of CO2 are produced if 2.09 mol of HCl are reacted according to this balanced chemical equation?
CaCO3 + 2HCl → CaCl2 + CO2 + H2O
What is 46.0 g CO2
Boyles Law and what is it used to compare?
What is P1V1=P2V2?
What is pressure and volume?
a measure of force exerted per unit area
What is pressure?
A bike tire is inflated to a total pressure of 132 psi. What is this pressure in mmHg?
What is 6.82x103 mmHg ?
Equations that only show the species that actually change during the reaction
What is net ionic equations?
Find the percent yield for a reaction with a calculated yield of 9.23 g and produced 7.89 g of product.
What is 85.5% ?
Charles Law and are the variables being compared directly or indirectly proportional?
What is V1/T2 = V2/T2 ?
What is directly proportional?
The volume occupied by one mole of gas.
At STP, an ideal gas has a - - of 22.4 L.
What is molar volume?
A woman has an initial lung volume of 2.75 L, which is filled with air at an atmospheric pressure of 1.02 atm. If she increased her lung volume to 3.25 L, without inhaling any additional air what is the pressure of her lungs?
What is 0.863 atm?
The point in a titration when the number of moles of OH- added equals the number of moles of H+ initially in the solution.
What is the equivalence point?
Calculate the theoretical yield for the product Br2, if 36.8 grams of CBr4 were reacted with 4.56 grams of O2.
CBr4 + O2 => CO2 + 2Br2
What is 35.5 grams?
Dalton's Law
What is PTotal = Pgas1 + Pgas2 + Pgas3 ?
PTotal=(nRT)/V + (nRT)/V + (nRT)/V
The conditions when
temperature is 0C (273 K) and Pressure is 1 atm.
What is STP (standard temperature and pressure)?
Calculate the volume occupied by 0.845 moles of nitrogen fat at a pressure of 1.37 atm and a temperature of 315 K.
What is 15.9 L ?
Reactions in which electrons transfer from one reactant to another
What is oxidation-reduction reactions?
What volume (in L) of 0.150 M KCl solution will react completely with 0.150 L of 0.175 M Pb(NO3)2 solution according to the following balanced chemical equation?
2 KCl(aq) + Pb(NO3)2(aq) > PbCl2(s) + 2KNO3(aq)
What is 0.350 L of KCl solution?
Partial Pressure equation
Pa = (xa) (Ptotal)
The number of moles of a component in a mixture divided by the total number of moles in the mixture.
What is mole fraction?
A 2.00L mixture of helium, nitrogen, and neon has a total pressure of 815 mmHg at a temperature of 255K. If the partial pressure of helium is 201 mmHg and the partial pressure of nitrogen is 351 mmHg, what mass of neon is present in the mixture?
What is 0.667 g of neon?
A reaction in which a solid product is formed
What is a precipitation reaction?
Determine if this reaction is a REDOX reaction. Answer (Yes/No)
If so, Identify what is being oxidized, reduced, and the oxidizing and reducing agent.
Zn(s) + Fe+2 (aq) --> Zn+2 (aq) + Fe (s)
What is
Yes, Zn, Fe, Fe+2, Zn
Ideal Gas law and what does each variable measure and in what unit.
What is PV=nRT ?
1 atm = x Pa = y mmHg = z psi
1 mmHg = q torr
What is
x=101,325
y=760
z=14.7
q= 1
A sample of gas has a mass of 0.311 g. Its volume is 0.225 L at a temperature of 55C and a pressure of 886 mmHg. Find its molar mass.
What is 31.9 g/mol ?