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Concept explainers
Interpretation:
The number of moles of oxygen that would be obtained from 1.300 g of
The volume of oxygen collected over water at
Concept Introduction:
Partial Pressure:
Dalton’s law of partial pressure states that “the total pressure (P) of the mixture is equal to the sum of the partial pressures
The
Collection of gas over water:
When gases are collected over water, the partial pressure of water vapor depends only on the temperature and this partial pressure is known as the vapor pressure of water.
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Chapter 5 Solutions
Student Solutions Manual for Ebbing/Gammon's General Chemistry, 11th
- What is the biological importance of stratospheric ozone? Explain.arrow_forwardIf you place 2.25 g of solid silicon in a 6.56-L flask that contains CH3Cl with a pressure of 585 mm Hg at 25 C, what mass of dimethyldichlorosilane, (CH3)2SiCl2, can be formed? Si(s) + 2 CH3Cl(g) (CH3)2SiCl2(g) What pressure of (CH3)2SiCl2(g) would you expect in this same flask at 95 C on completion of the reaction? (Dimethyldichlorosilane is one starting material used to make silicones, polymeric substances used as lubricants, antistick agents, and water-proofing caulk.)arrow_forward62 Ammonium dinitramide (ADN), NH4N(NO2)2, was considered as a possible replacement for aluminium chloride as the oxidizer in the solid fuel booster rockets used to launch the space shuttle. When detonated by a spark, AND rapidly decomposes to produce a gaseous mixture of N2,O2, and H2O. (This is not a combustion reaction. The ADN is the only reactant.) The reaction releases a lot of heat, so the gases are initially formed at high temperature and pressure. The thrust of the rocket results mainly from the expansion of this gas mixture. Suppose a 2.3-kg sample of ADN is denoted and decomposes completely to give N2,O2, and H2O. If the resulting gas mixture expands until it reaches a temperature of 100°C and a pressure of 1.00 atm, what volume will it occupy? Is your answer consistent with the proposed use of ADN as a rocket fuel?arrow_forward
- What volume (in liters) of O2, measured at standard temperature and pressure, is required to oxidize 0.400 mol of phosphorus (P4)? P4(s) + 5 O2(g) P4O10(s)arrow_forwardWhen in danger, bombardier beetles can fire a hot, toxic mixture of chemicals at the attacker. This mixture contains quinone, CoH.O2, a compound that is formed by the reaction of hydroquinone, CoH4(OH)2, with hydrogen peroxide, H202. The reaction is catalysed by an enzyme called catalase. The equation for the overall reaction is: CoHa(OH)2(aq) + Hz2Oz(aq) → COH4O2(aq) + 2H20(1) Use the following data to calculate the enthalpy change, in kJ mol, for the above reaction. CoH«(OH)2(aq) CoH4Oz(aq) + H2(g) AH = +177.4kJ mol H2(g) + Oz(g) H2O2(aq) AH = -191,2kJ mol1 Ha(g) + 놀O2(g) H20(g) AH = -241.8kJ mol H20(g) H2O(1) AH = -43.8kJ mol1 %3Darrow_forward
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