E4.025 – A colorless solid
OWLv2 for General Chemistry
Cengage
01st Edition
A colorless solid has a violent reaction with water. What is the balanced reaction and concentration of products?
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A colorless solid has a violent reaction with water. What is the balanced reaction and concentration of products?
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A student accidentally leaves a solution uncovered for a week and finds only a residue. You need the formula for this residue.
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X grams of a compound are dissolved in x grams of water to cause a temperature change. There is no heat capacity of the calorimeter in this one. What is the enthalpy of dissolution (∆H dissolution)?
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In an experiment x grams of a sample is burned in a bomb calorimeter with x grams of water causing a temperature change. The heat capacity of the calorimeter and a balanced reaction are given. What is the heat capacity of the calorimeter?
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The gas in a cylinder expands from an external pressure of x atm. The volume changes from x liters to x liters. This turns a paddle in x liters of a substance. Density and specific heat are also given. You want to know the temperature change.
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A bar of a metal is dropped causing a change in potential energy. Gravity is given as well as specific heat and temperature change. You are asked for the height from which the bar was dropped.
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An atom will be ionized by two different light beams. One wavelength and the ionization energy are given. What is the max wavelength possible for the other beam?
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The energy of hydrogen is given as well as the wavelength of another element in Ã…. Determine the energy difference for this element and compare energy differences for various elements.
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Fill in the missing information for three isotopes. Each isotope has different given values.
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A student burns x grams of a sample in a bomb calorimeter with x grams of water causing a temperature change. Molar heat of combustion and a balanced reaction are given. What is the heat capacity of the calorimeter?
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