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What is the difference between molar mass and molecular mass?
Consider a process carried out on 1.00 mol of a monatomic ideal gas by the following pathway from state A to state B
Octane is a liquid component of gasoline. Given the following vapor pressures of octane at various temperatures,estimate the boiling point of octane in Leadville, Colorado, where the atmospheric pressure is 496 mmHg.
The excess is titrated with standard 0.101 M KSCN solution, requiring 2.38 mL to reach the red Fe(SCN)2+ endpoint. Calculate the concentration of chloride in the brine in g/L
Which of the following compounds become less stable with respect to the elements as the temperature is raised: (a) C3H6 (g), cyclopropane; (b) CaO (s); (c) N2O (g); (d) HN3 (g)
Calculate the change in internal energy on an isothermal compression of 1.00kg of water at 20degress from 10^2 to 10^4 kPa
A 773 mL sample of NO2 gas is at STP. If the volume changes to 648 mL and the temperature changes to 15ºC, what will be the new pressure in atmospheres
Describe how to prepare a 5.0% w/v solution of sodium of sodium chloride. The concentration of lead in an industrail waste stream is 0.28 ppm. What is molar concentration
1. how much energy is required to warm 175 ml of water at 18.5degc to 85.0degc? assume the specific heat of water to be
What volume of a 0.215 M sodium hydroxide solution is needed to exactly neutralize 1.06 grams of KHP
A sample consisting offive molecules has a total energy 5£. Each molecule is able to occupy states of energy j£,with j= 0,1,2,···,oo. (a) Calculate the weight of the configuration in which the molecules are distributed evenly over the available st..
read the scenarios below and respond in the form of an essay which should consist of several paragraphs and appropriate
What is the millimolar concentration of dissolved oxygen for a lake or stream under the partial pressure of oxygen and a temperature of 12?
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