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.
Expected delivery within 24 Hours
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.
1957771
Questions Asked
3,689
Active Tutors
1443468
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Comment on the key characteristics of the evidence that would be appropriate for the population identified in your public health problem.
Dr. Phillips has a patient who has been found to have measles which is a very contagious and dangerous disease. The patient visited Dr. Phillips' office
Question: Which of the following is true about ectopic pregnancy? It is rarely even noticed by the woman.
Problem: What are the most important things parents can do to ensure their newborns are healthy and thriving in your opinion?
The nurse is examining a patient who may have oral cancer. Which sign below makes the nurse believe this patient may have oral cancer?
Which interpretation would the nurse make of a patient's assessment findings that include a 4-minute loss of consciousness (LOC)
Nurses utilize probabilistic calculations to evaluate healthcare-associated risk for infection, apply hand washing and isolation measures