Problem based on mole fraction
Dry air had a CO2 mole fraction of 0.00038 in 2007 (compared with 0.00032 in 1965). Calculate the total mass of CO2 that strikes 1 cm^2 of one side of a green leaf in 1 s in dry air at 25oC and 1.00 atm. Show all calculations.
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For N2 at 25oC and 1.00 atm calculate the number of collisions per second made by one molecule; the number of collisions per second per cubic centimeter; compare these values to N2 at 25oC and 1.0*10^-6 torr using the values already calculated Sho
Neglecting the variation of T with altitude and using the average surface temperature of 290K and the number average molecular weight of 29 for air, calculate the atmospheric pressure at the top of this mountain. Compare with the observed average
Find the equation P(u, v) of a surface of revolution obtained by revolving a profile curve on the XY-plane about the Y-axis 360.
Consider samples of pure H2(g) and pure O2(g), each at 300 K and 1 atm. For each of the following properties state which gas has the greater value
Given two single-pole switches, write a program that will turn on an output when both switch A and switch B are closed.
A container of volume 1*10^-5 cm^3 holds three molecules of gas b, which we label b1, b2, and b3. In 1 second, there are two b1-b2 collisons, two b1-b3 collisions, and two b2-b3 collisons.
Assume a thermocouple generates a linear voltage of from 20 mV to 50 mV when the temperature changes from 750°F to 1250°F. How much voltage will be generated when the temperature of the thermocouple is at 1000°F?
What is the speed of the object after it has fallen 94 cm after being released from rest? Use energy considerations.
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Explain the risks of not reporting the results of your forensic assessment findings accurately. Provide specific examples.
Read "The Effect of Tart Cherry Juice Compared to a Sports Drink and Cycling Exercise Performance, Substrate Metabolism, and Recovery" from University Library
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
Write an essay describing your achievement of a goal and your friends or family member's achievement of a goal using motivational theory
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