Use the data in Table to calculate the partial pressure of He in dry air assuming that the total pressure is 1.0 atm. Assuming a temperature of 25oC, calculate the number of He atoms per cubic centimeter.
Answer to relevant QuestionsAtmospheric scientists often use mixing ratios to express the concentrations of trace compounds in air. Mixing ratios are often expressed as ppmv (parts per million volume): ppmv of X = vol of X at STP total vol of air at ...Which of the following statements is(are) true? For the false statements, correct them. a. At constant temperature, the lighter the gas molecules, the faster the average velocity of the gas molecules. b. At constant ...The total mass that can be lifted by a balloon is given by the difference between the mass of air displaced by the balloon and the mass of the gas inside the balloon. Consider a hot-air balloon that approximates a sphere. ...What is electrochemistry? What are redox reactions? Explain the difference between a galvanic cell and an electrolytic cell. The free energy change for a reaction ΔG is an extensive property. What is an extensive property? Surprisingly, one can calculate ΔG from the cell potential for the reaction. This is surprising because is an intensive ...
Post your question