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Chemistry (Cliffs AP) by Gary S. Thorpe

By Gary S. Thorpe

CliffsAP learn courses assist you achieve an aspect on complex Placement* tests. assessment workouts, lifelike perform assessments, and potent test-taking innovations are the main to calmer nerves and better AP* ratings. CliffsAP Chemistry is for college kids who're enrolled in AP Chemistry or who're getting ready for the complex Placement exam in Chemistry. within, you’ll locate tricks for answering the essay and multiple-choice sections, a transparent clarification of the examination structure, studies of all 22 required labs, a glance at how tests are graded, and extra: life like full-length perform examination solutions to frequently asked questions about the AP Chemistry examination learn thoughts that will help you organize Thorough evaluation of the main subject matters which are guaranteed to be at the try out pattern laboratory write-ups The AP Chemistry examination is arising! Your thorough figuring out of months and months of college-level chemistry coursework is set to be evaluated in a 3-hour exam. CliffsAP Chemistry comprises the subsequent fabric to you do some of the best activity attainable at the huge try: Gravimetrics digital constitution of atoms Covalent bonding and ionic bonding Acids and bases aid and oxidation Organice chemistry and nuclear chemistry Writing and predicting chemical reactions This complete advisor bargains an intensive evaluate of key ideas and targeted resolution reasons. It’s all you want to do your top — and get the varsity credit you deserve. *Advanced Placement software and AP are registered emblems of the school Board, which used to be no longer interested by the construction of, and doesn't suggest this product.

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37 Part II: Specific Topics (c) (2) Restatement: Effect on the empirical formula if the silver strip had not been dried thoroughly after being washed free of the silver chloride. Because the strip has been washed free of the compound (silver chloride), you assume that any silver missing from the strip went into the making of the silver chloride. If the strip had been wet when you weighed it, you would have been led to think that the strip was heavier than expected, and therefore that less silver had gone into the making of the silver chloride.

In effect, n = mass/molecular weight (n = m/MW). Substituting this relationship into the ideal gas law gives PV = mRT MW Solving the equation for molecular weight yields MW = mRT PV 14 Questions Commonly Asked About the AP Chemistry Exam Real gas behavior deviates from the values obtained using the ideal gas equation because the ideal gas equation assumes that (1) the molecules do not occupy space and (2) there is no attractive force between the individual molecules. However, at low temperatures (just above the boiling point of the liquid), these factors become significant, and we must use an alternative equation, known as the van der Waals equation, that accounts for them.

Thus, in the ratio of moles of silver to moles of chlorine, the denominator would have been lower than expected and the ratio would have been larger. Because the mass of the compound does not enter into the calculations for the moles of silver that reacted, the moles of silver would not have been affected. 37 Part II: Specific Topics (c) (2) Restatement: Effect on the empirical formula if the silver strip had not been dried thoroughly after being washed free of the silver chloride. Because the strip has been washed free of the compound (silver chloride), you assume that any silver missing from the strip went into the making of the silver chloride.

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