Show:
Scientific Notation
Significant Figures
Unit of Measurement
Vocabulary
Problem
100
1 * 10^-1 = ?
What is 0.1
100
How many Sig Figs are in 146?
What is 3 Sig Figs
100
M= mol/ ? What is ?
What is Liter
100
What is STP?
What is 1.0 atm at 0 degrees Celsius.
100
A chemical analysis shows that there are 2.2 mg of lead in exactly 500 g of a water sample. Convert this measurement to parts per million.
What is 4.4 ppm
200
3.92 * 10^-4 = ?
What is .000392
200
How many Sig Figs are in 429.3?
What is 4 Sig Figs?
200
In Chemistry, how do you change from Celsius to Kelvin?
What is Add 273 to the degree of C. That will be the value of Kelvin.
200
What are dipole-dipole forces?
What is Interactions between polar molecules.
200
What is the Molarity of potassium chloride that has the volume of 400.0 mL and contains 85.0 g KCl?
What is 2.85 M KCl
300
7.500 * 10^8 = ?
What is 750000000
300
How many Sig Figs are in 19.10982?
What is 7 Sig Figs
300
When calculating Melting and Boiling Points, what is the Unit of Measurement?
What is Kelvin
300
Define critical point?
What is The temperature and pressure at which the gas and liquid states of a substance become identical and form one phase.
300
What volume (in mL) of a 0.500 M solution of Copper(II) sulfate, is needed to react with an excess of aluminum to provide 11.0 g of Copper?
What is 346 mL CuSO4
400
1.8 * 10^-5 + 3.25 * 10^-4 + 4.6 * 10^-5 = ?
What is .000389
400
How many Sig Figs are in 1.000*10^3?
What is 4 Sig Figs
400
What is the unit for Molecular speed?
What is m/s
400
__________ states that for a fixed amount of gas at a constant temperature, the volume of the gas increases as the pressure of the gas decreases and the volume of the gas decreases as the pressure of the gas increases.
What is Boyle's Law?
400
Quantities of PCl3 and Cl2 were placed in a reaction chamber and heated to 503 K at 1 atm. At equilibrium, Keq= 0.0205; and [PCl5] = 0.235 and [PCl3] =0.174. Calculate the concentration of Cl2. PCl5(g) (Reverse Reaction) PCl3(g) + Cl2(g).
What is 0.0205 = [PCl3][Cl2]/[PCl5][Cl2] =(0.0205)(0.235)/0.174 = 0.0277 M
500
(9.13 * 10^-4) * (1.2 * 10^-3)
What is .0000011
500
How many Sig Figs are in 0.002300?
What is 4 Sig Figs
500
What is the value of R?
What is R= (8.314 L*kPa)/ (mol*K) or R= 0.0821 (L*atm)/(mol*K)
500
What is solute?
What is in a solution, the substance that is dissolved in the solvent.
500
A balloon is inflated to 665 mL volume at 27 degrees Celsius. It is immersed in a dry-ice bath at -78 degrees Celsius. What is the volume, if pressure is contant?
What is 431 mL