To what pressure must he expand in order to perform work
Helium is contained in a cylinder and expands frictionlessly against a piston so that pV = constant. Initially the helium is at 400 kPa, 4oC, and occupies a volume of 0.04 m3. To what pressure must the He expand in order to perform 8100 J of work?
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It is a peculiarity of an ideal gas that its internal energy is a function of only temperature. What is the net energy transfer as heat for the process described?
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"Hard water" is caused by the presence of dissolved salts. One ofthe main components is CaCO3. When hard waterevaporates, the solid salt residue is left behind.
Initially the helium is at 400 kPa, 4oC, and occupies a volume of 0.04 m3. To what pressure must the He expand in order to perform 8100 J of work?
Estimate a multiple regression model for housing starts using the mortgage rate and the unemployment rate as the explanatory variables. At the 5% significance level, evaluate the individual significance of the explanatory variables.
Determine the rate of heat transfer between the pipe and its surroundings. Rework the problem if instead of constant, the inner diameter of the pipe is 20 cm at the entrance and 10 cm at the exit.
What is the minimum weight, in grams, ofthis compound that must be added to 8 kg of water to produce asolution that will protect an automobile cooling system fromfreezing at -20°F (-28.9°C)? Ethylene glycol isa non-electrolyte.
Find an 85% confidence interval for the mean weights of the two Southwest Regions. What does this mean when comparing the mean weight of grey wolves from the two regions
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Explain the risks of not reporting the results of your forensic assessment findings accurately. Provide specific examples.
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Identify and analyze one resource that provides information regarding services for dealing with and treating substance use and abuse in youth or adolescence.
Discuss how culture may influence one's perceptions. Provide an example of how culture may impact the interaction between a patient/client
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Pets can have a therapeutic effect on people; they seem to have the power to calm the anxious and cheer the depressed. Give three reasons
Review Chapter 12 and consider how your culture has impacted your worldview and personality. Pay particular attention to the section on characteristics of Cult