Chemistry

Chemistry, 21.07.2019 03:31, brianna5626

The ratios of volumes of the gaseous reactants and products in a chemical reaction at constant temperature and pressure can be determined from the

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Chemistry, 24.08.2019 05:10, phyllides4930

The two balanced equations (1) and (2) are for reactions in which gaseous carbon dioxide is produced from the combustion of (1) solid carbon (2) gaseous carbon monoxide. 1. c(s) + o2(g) co2(g) + 94.0 kcal 2. co(g) + ½o2(g) co2(g) + 67.6 kcal on the basis of the information given in equation (1) and assuming no change in temperature or pressure, one can correctly conclude that: a) the rate of reaction is rapid. b) the total number of moles of products is the same as the total number of moles of reactants. c) the reaction is exothermic. d) the weights of the products are greater than those of the reactants. e) there will be an increase in the volume of the reactants and products taken together as the reaction proceeds.

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Chemistry, 15.10.2019 06:00, lwattsstudent

1. if the temperature of a gas remains constant, then the pressure of the gas will increase if the a. mass of the gas molecules decreases. b. diffusion of the gas molecules increases. c. size of the container is decreased. d. number of gas molecules in the container is decreased. 2. when gay-lussac’s law of combining volumes holds, which of the following can be expressed in ratios of small whole numbers? a. pressures before and after reaction b. volumes of gaseous reactants and products c. kelvin temperatures d. molar masses of products and molar masses of reactants 3. equal volumes of ideal gases at the same temperature and pressure contain equal numbers of a. protons. b. ions. c. particles. d. electrons. 4. at constant temperature and pressure, the volume of a gas is directly proportional to its a. molar mass. b. number of moles. c. density at stp. d. rate of diffusion. 5. to use the ideal gas law to d

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Chemistry, 29.10.2019 23:31, Mranthony4565

Amixture of gaseous reactants is put into a cylinder, where a chemical reaction turns them into gaseous products. the cylinder has a piston that moves in or out, as necessary, to keep a constant pressure on the mixture of . the cylinder is also submerged in a large insulated water bath. (see sketch at right.) from previous experiments, this chemical reaction is known to release of energy. the temperature of the water bath is monitored, and it is determined from this data that of heat flows out of the system during the reaction.

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