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Definition
| a mole of potassium cholride(KCI) contains 6.02x10^32 |
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| SI base unit used to measure the amount of a substance |
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| which compound has the smallest molar mass |
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| mass in grams of one of any pure substance |
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| methand (CH4), contains 75% carbon. What percentage of methane is hydrogen? |
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| percent by mass of each element in a compound |
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| formula of a compound with the smallest whole-number mole ratio of the elements |
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| specifies the actual number of atoms of each element in one molecule of a compound |
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Definition
| Sodium bromide dihydrate is correctly written as |
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Definition
| compound that has a specific number of water molecules bound to its atoms |
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Term
| the number of reacrtant molecules equals the number of product molecules |
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Definition
which of the folllowing statements about the reaction represented by the following balanced chemical equations is false.
2H2(g) + O2(g) -->2H2O(g) |
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Term
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Definition
how many mole ratios can be derived from the following
balanced chemical equation?
CH4(g) + 2O2(g) --> CO(g)+2H2O(g) |
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Definition
| Stoichiometry is based on the law od conservation of |
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| balanced chemical equations |
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Definition
| mole ratops for a reaction are obtained from the |
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| in the decomposition reaction of compound AB into substances A and B, what is the number of mole ratios? |
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Definition
| which of the following gases will diffuse fastest through xenon |
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Term
| water has high surface tension |
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Definition
| drops of dew on a spiders wed illustrate which of the following statements |
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Term
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Definition
| the model describing the behavior of gases in terms of particles in motion |
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Definition
| a graph that shows in which phase a substance exsists under different conditions of temperature and pressure |
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Definition
| collisions between gas particles in which no kinetic energy is lost |
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Definition
| states that the rate of effusion for a gaws is inversly proportional to the square root of its molar mass |
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Definition
| which of the following pairs of variables is plotted on a phase diagram? |
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Term
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Definition
| a measure of the average kinetic energy of the particles in a sample of matter |
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Definition
| the pressure exerted by a vapor over a liquid |
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Definition
| which of the following processes realeases energy? |
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Definition
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| no kinetic energy is lost |
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Definition
| in elastice collisons between gas molecules, |
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| which equation shows Gay lussacs law? |
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Term
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Definition
| in the combined gaw law, this variable is inversely proportional to pressure. |
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Term
V1/T1 = V2/T2
at constant pressure |
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Definition
| which equations shows charles law |
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Term
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Definition
| in the combined gaw law, this variable is inverselt proportional to volume |
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| whch equations shows boyles law? |
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Definition
| one mole of any gas will occupy a volume of 22.4 L at STP |
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Definition
| which equations shows the ideal gas law |
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Term
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Definition
| equal volumes of gases at the same temperature and pressure contain equal numbers of particles |
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Term
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Definition
| the volume of a given amount of gas held at a constant temperature varies inverslt with the pressure |
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Definition
| R represents the relationshop among pressure, volume, temprature, and number of moles of gas present. |
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Term
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Definition
| in the combined gas law, this variable is always constant |
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Definition
| what variable is mentioned in the ideal gas law that is assumed to be constant in the other gas laws |
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Term
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Definition
| temperature, pressure, and volume are related for a fixed amount of gas |
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Definition
| which of the following are the conditions known as standard temperature and pressure (STP)? |
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| based on the following reaction, CH4(g)+2O2(g)--> CO2(g)+2H2O(g), what is the volume ratio of methane, CH4, to carbon dioxide, CO2? |
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| determine the mole ratio of the gaseous substances |
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Definition
| in determining the volume of a product from the volume of a reactant under constant conditions of temperature and pressure, which of the following staps is needed? |
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Term
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Definition
| the diffusion of solvent particles across a semipermeable membrane from areas of lower solute concentration to ares of higher solute concetration |
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Definition
| the ability to be separated by paper filtration |
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Definition
| statement that the solubility of a gas in a liquid is directly proportional to the pressure of the gas above the liquid |
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| liquid particles dispersed in a solid medium |
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Definition
| which of the following mixtures describes a solid emulsion such as butter |
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Definition
| the ratio of the numbers of moles of solute in solutions to the total number of moles of solute and solvent |
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Definition
| a mixture with particles that settle out if undisturbed |
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| the overall energy change that occuurs when a solution forms |
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| the measure of how much is dissolved in a specific amount of solvent or solution |
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