Chapters 1-2
The number of centimeters in 1.25 m
What is 125 cm?
The percent composition of N in HNO3
What is 22.2%?
The enthalpy of a reaction with a negative sign is classified as this.
What is exothermic?
The gas that will diffuse that fastest.
N2 , Ar , Ne
This is used to hold and heat liquids
The number of centimeters in 6.98 inches
The mass of water in 9.92 x 1023 molecules.
What is 29.7 g H2O?
The enthalpy of C2H4 (g) + H2 (g) --> C2H6 (g), given:
C2H4 (g) + 3 O2 (g) --> 2CO2 (g) + 2 H2 (g) ΔH =− 1411 kJ
C2H6 (g) + 9/2 O2 (g) --> 2 CO2 (g) + 3 H2O (l) ΔH = − 1560. kJ
H2 (g) + ½ O2 (g) --> H2O (l) ΔH = − 285.8 kJ
What is -707 kJ?
The number of atmospheres in 895 mmHg
What is 1.18 atm?
This is how a test tube should be held when heating over a Bunsen burner
What is away from you and your partner?
The number of neutrons in 36Cl
What is 19 neutrons?
The mass of CaCO3 produced by 2.65 g of CaCl2
CaCl2 + Na2CO3 --> CaCO3 + 2 NaCl
What is 2.39 g CaCO3?
The enthalpy of the reaction: 2 NO (g) + O2 (g) --> 2 NO2 (g)
Standard enthalpies:
NO (g) = 90.4 kJ/mol O2 (g) = 0 kJ/mol NO2 (g) = 33.9 kJ/mol
What is -113 kJ?
The volume of a gas that starts at 12.0 atm, 23.0 L, and 211 K and changes to 14.0 atm and 311 K.
What is 29.1 L?
The first thing that should be done when a spill or accident occurs in lab
What is inform the teacher
The number of m3 in 23.5 ft3
What is 0.665 m3?
The specific heat of a 95.0 g piece of metal that when put in a container of 125 g of water at 25.0oC changes from a temperature of 101oC to a final temperature of 31.0oC.
The specific heat of water is 4.184 J/goC
What is 0.472 J/goC?
The partial pressure of gas C in a mixture of gases that has a total pressure of 965 mmHg and the partial pressure of gas A is 752 mmHg and the partial pressure of gas B is 101 mmHg.
What is 112 mmHg?
This is used to move small amounts of a solid from place to place
What is a spatula?
The speed in km/day that corresponds to 252.0 mi/hr
What is 9731 km/day?
The empirical formula of a compound that is 26.4% carbon, 3.3% hydrogen, and 70.3% oxygen.
What is C2H3O4?
The heat required to convert 18.015 g of H2O from 50.0oC to vapor at 100.0oC
The number of moles of a gas that takes up 657 mL of space at 1.56 atm and 25.0oC
This is used in titrations to measure how much liquid has been delivered
What is a buret?