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A horizontal force of 100 Newtons is applied to a block having a mass of 10 kg; the frictional force across the floor is equal to 20 Newtons. What is the acceleration of the block? Remember to use appropriate units.
Calculate the pressure exerted by 1 mole of CO2 confined in 22.45L at 298K using van der waals
Carbon dioxide makes up approximately 0.04% of the Earth's atmosphere. If you collect a 2.0L sample from the atmosphere at sea level (1.00 atm) on a warm day
explain the biochemical changes that takes place during the investment phase of glycolysis
How many calories are required to heat 25.0 g of platinum (specific heat capacity = 0.032 cal/g.K) from 24.5 oC to 75.0 oC?
Calculate the amount of solution (g or mL) that contains each of the following amounts of solute. Express the answer to two sig fiugres and include the appropriate units.
the ratio of the number of nuclei in the first excited nuclear energy level to the number of of nuclei for a nucleus with ε1 - ε0 = 1MeV at 25C. At what temperature is kBT on the order of ε1 - ε0. Note 1MeV = 10^6eV
The final supernatant when heated produced a purple flame. Identify which of these ions were present in the solution, which were absent, and for which ones no conclusions can be drawn.
Calculate the free energy change for transferring 1 mol of sodium ions from outside to inside of the cell at the pysiological temperature of 310 K.
Which of the following reactions is the formation reaction for CH3OH(l)
Write the net ionic equation for this reaction. (Include states-of-matter under the given conditions in your answer. Use the lowest possible whole number coefficients.)
Determine the equilibrium constant for the gas phase T= 298k , 1 atm total pressure , mixture of hydrogen , iodine and hydrogen iodide.
for the next week keep a detailed purchase journal that includes what youve purchased and why. for each entry label the
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