Relationship between pressure and temperature of a gas (all else constant).
What is direct?
100
The temporary substance formed during a reaction that is both unstable and high energy.
What is an activated complex?
100
The element and its atomic mass that has 35 electrons, 35 protons, and 45 neutrons.
What is bromine with a mass of 80.
200
1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d9.
What is copper?
200
Mass, in grams, of 4.5 x 10^22 molecules of zinc (II) chloride.
What is 10. grams?
200
The relationship between temperature and volume of a gas (if all else remains constant).
What is direct proportion?
200
The affect on the rate of a reaction of decreasing the concentration of a reactant in a fast step of a reaction mechanisms.
What is no change?
200
The number of valence electrons in antimony.
What is 5?
300
Correct formula of an ionic compound made from lead (IV) and phosphate
What is Pb3(PO4)4
300
Number of moles of CO2 produced by burning 50.0 grams of C2H6 (mm = 30.08 g/mole).
What is 3.32 moles?
300
The Molarity of a solution made from 100. mL of 2.5 M HCl solution plus 125 mL of water.
What is 1.1 M?
300
The final temperature of water if 200. grams of water at 25 degrees celcius is added to 45.5 grams of water at 79 degrees celcius.
What is 35 degrees celcius?
300
Atoms of the same element with different atomic masses.
What are isotopes?
400
P2O3
What is diphosphorus trioxide?
400
Mass (in mg) of 1.37 kL of ethanol, which has a density of .789 g/mL.
What is 1.08 x 10^9
400
The volume of a gas at 650. torr and 25 C if, initially, the gas takes up 2.4 L at 1.2 atm and 30 C.
What is 3.3 L?
400
The effect of increasing the concentration of the products on the rate of an exothermic reaction.
What is no change?
400
29879 rounded to 2 significant figures.
What is 3.0 x 10^4?
500
The coefficients for the correctly balanced reaction of burning C4H10 (water listed last as a product).
What is 2, 13, 8, 10?
500
Grams of ppt formed by reacting 30.5 grams of copper (II) cloride (mm = 134.5 g/mol) completely with sodium sulfate.
What is 36.3 grams.
500
The volume of 2.5 grams of oxygen gas at 0.80 atm and 30.0 degrees celcius.
What is 2.4 L?
500
Given the following heats of formation, find the heat of reaction for burning methane (CH4). CH4 = -75 kJ/mol, CO2 = -394 kJ/mol, and H2O(g) = -242 kJ/mol.
What is -803 kJ?
500
The element in the following list that has the highest electronegativity; Ne, O, Zn, I, Cs