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Look at the different ways fluids move across a cell membrane (passive diffusion, active transport, and facilitated diffusion.) How do these differ from each other? How do these differ from osmosis?
Does it matter how fluids, etc, move into the cells?
Why is water called a "universal solvent"?
Discuss solutions, solvents and solutes in relationship to water. One our last topic, discuss hypotonic and hypertonic fluids and why these impact cells.
Determine the mass of aluminum acetate that can be made if you do the reaction with 125 grams of acetic acid and 275 grams of aluminum hydroxide.
A sample of gas is heated. During the heating process, the volume of the gas increases 1.7 times. If the initial temperature of the gas is 80degrees C. what is the final temperature of the gas?
the world's estimated annual gas reserves in 2006 were 6124 trillion ft3 .The world rate of annual use was 105.5 trillion feet3. How long these reserves will last if the rate of use continues?
what is the term for a solution whose concentration has been accurately determined usually three or four significant digits? normal solution standard soluatoin stock soluation
The EPA limit for lead in the water supply is 15 parts per billion by mass. Calculate the number of lead ions present in 1.00kg of water that is at the EPA limit for lead.
a gas sample has a volume of .150 L at a temperature of 256 K. What volume will the gas occupy at 288K?
At 27.7mL sample CO2(g) was collected over water at 25.0 degrees celsius and 1.00 atm. What is the pressure in torr due to CO2(g)?
How many moles of a monoprotic acid with a Ka=4.9x10^-6 must be dissolved in 750 ml of H2O to produce a solution with pH=4.50
Titration of the excess unreacted EDTA required 15.9 mL of 0.0220 M Ca2 . The Cd2 was displaced from EDTA by the addition of an excess of CN-.
They will dilute the 0.5 M solution to obtain 100 mL of 0.15M solution and dilute the 0.5m solution to obtain 10,000 ppm per mass. What is the molarity, molality, mass fraction and mole fraction
when solid copper is added to nitric acid, copper nitrate, nitrogen dioxide, and water are produced. write the balanced chemical equation for the reaction list sis mole ratios for the reaction.
The vapor pressure of chlorine dioxide (ClO2) is 155 Torr at 22.75 C and 485 Torrat 0C. what is the standard enthalpy of vaporization?
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