Names & Formulas
What is the name for this formula?
NaCl
Sodium Chloride
Use the fuel cell reaction 2H2 + O2 --> 2H2O
If I put 1.0 mol of O2 into the fuel cell, how many moles of H2O are produced?
2.0 mol H2O
1.00 mole of any gas at STP has what volume?
22.4 liters
How many turtles are in 1 mole of turtles?
6.022 * 1023 turtles
What is the formula for carbon dioxide?
CO2
Use the fuel cell reaction 2H2 + O2 --> 2H2O
If I put 3.2 mol of H2 into the fuel cell, how many moles of H2O are produced?
3.2 mol H2O
What is the temperature of 2.0 moles of gas with V = 44L and P = 105kPa?
278 K
How many joules are needed to vaporize 25g of water?(Heat of vaporization = 2,300 J/g)
58,000 J
What is the name for this formula?
KOH
Potassium hydroxide
Use the propane combustion reaction C3H8 + 5O2 --> 3CO2 + 4H2O
If I put 1.0 mol of C3H8 into the fuel cell, how many moles of H2O are produced?
4.0 mol H2O
P1 = 110kPa, V1 = 14L
P2 = ?, V2 = 12L
130 kPa
If [H3O+] = 0.00078M, what is pH?
What is the formula for Iron (III) oxide?
Fe2O3
Use the propane combustion reaction C3H8 + 5O2 --> 3CO2 + 4H2O
If I put 3.1 mol of C3H8 into the fuel cell, how many moles of CO2 are produced?
9.3 mol CO2
How many moles of gas are there if P = 120kPa, V = 21L, T=280K? (R=8.3)
1.1 moles
What is the molar mass and name of NH4NO3?
94.05 g/mol
Ammonium nitrate
What is the name for this formula?
SF6
Sulfur hexafluoride
Use the propane combustion reaction C3H8 + 5O2 --> 3CO2 + 4H2O
If I put 220 grams of C3H8 into the fuel cell, how many moles of H2O are produced?
P1 = 150kPa, V1 = 15L, T1 = 290K
P2 = 250kPa, V2 = ?, T2 = 310K
9.6 liters
What are the four steps of the scientific method?
Observe, Hypothesize, Experiment, Conclude