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You assumed that the acceleration of your body was constant during the time that you were pushing off the ground. Was it actually constant? Explain. if your answer is "yes", describe the change in acceleration as your feet leave the ground. If your answer is "no", is assuming a constant acceleration a reasonable approximation? Explain.
A cube of metal which looks like gold (Au, 19.32 g/cm3) is suspected by a modern Archimedes of being either iron (Fe, 7.90 g/cm3) coated with gold or aluminum
How many grams of heavy water are required to produce 145.0 mg of ND3(g). The mass of deuterium, D, is 2.014 g/mol
Calculate the amount of hydrated sodium thiosulfate necessary to make 500mL of 0.025 M solution (remeber that the water molecules are included in the molecular weight of hydrated compounds.
C3H8 + 5O2 reacts to yield 3CO2 + 4H2O +488 kJ What is the heat released if 2.5 moles of C3H8 reacts completely with oxygen?
if 6.73 g of NaCo3 is dissolved in enough water to make 250. mL of solution what is the molarity of the sodium carbonate ?
Predict the coordination number in a NiS crystal. The ionic radii for Ni+2 and S-2 are 0.069 and 0.184nm, respectively.
Calculate the change in junction depth for a 40-key boron threshold adjust implant of 5 x 1013 cm-2 annealed at 750°C in a furnace.
A particular reaction has a ?Ho value of -180 kJ and ?So of -254 J/mol K at 298 K. Assuming that ?Ho and ?So hardly change with temperature, determine the temperature in K at which the spontaneity of this reaction changes.
Presume you inserted a piece of an unknown metal into a solution of zinc (II) nitrate and observed no reaction. After that if you inserted the unknown piece of the metal into the solution of iron (III) chloride a deposit formed on the bottom of th..
In a separate experiment with the same initial conditions, a pressure of 2.50 was applied to the gas, decreasing its volume from 4.40 to 1.76 in one step. If the final temperature was the same for both processes, what is the difference between for..
Problem- Decide if the compound/ion listed can satisfy the octet rule (duet rule for H), if so choose Satisfies Octet Rule from the drop down menu. If the compound/ion cannot satisfy the octet rule for one of the atoms in the formula
Question- A buffer of acetic acid/acetate is prepared by dissolving 3.50 g of sodium acetate in 200.0 ml of .150 M acetic acid. What is the pH of the buffer solution
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