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A packing crate measures 0.40m X 0.40m X 0.25m. You must fill the crate with boxes of cookies that each measure 22.0cm X 12.0cm X 5.0cm. Explain how many boxes of cookies can fit into the crate?
A balloon filled with helium gas has a volume of 500 mL at pressure of 1 atm. The balloon is released and reaches an altitude of 6.5 km, where the pressure is 0.5 atm.
write a net ionic equation for the reaction of each antacid with aqueous HCl. include the state of each species. a)MgCO3 b)CaCO3 c)Mg(OH)2
Upon opening the stopcocks what is the partial pressure of each gas and the total pressure inside the apparatus. Assume that the volume of the stopcocks and the tubing connecting the bulbs is negligible.
what molecule would give the following mass spec data. this molecule shows three significant fragment ions. Alpha-fragmentation forms the m/z =59 base peak
What was the pressure of the sample when it was unloaded in Urbana the next day and the temperature was a typical 31.7oC
What is the wavelength (in meters) of photons with the following energies? In what region of the electromagnetic spectrum does each appear?
Zinc carbonate hydroxide contains 59.55% zinc by mass. Calculate the molecular weight (molar mass) of zinc carbonate hydroxide (there are 5 unites of zinc in every unit of zinc carbonate hydroxide
What complementary functional group would need to be present in the neuraminidase active site for (a) hydrogen bonding and (b) ionic interactions to oseltamivir to be observed?
at the temperature of thirty seven degree celsius the equilibrium concentration of ca2 inside a cell 0.085 m and
a mixture conntains two compound that absorbs strongly in the 300-600nm range the molar absorptivities of the two compounds at two wavelenghts in this range are shown in the table compound molar absorptivity at 400 nm mola..
Explain a solution is prepared by dissolving 89.6g of a nonvolatile solute in 175 g of water. Explain the vapor pressure above the solution is 20.62Torr as well as the vapor pressure of pure water is 23.76Torr at this temperature. Explain what is ..
A sample of nitrogen gas at a pressure of 698 mm Hg and a temperature of 86oC, occupies a volume of 14.4 liters. If the gas is heated at constant pressure to a temperature of 116 oC, what the volume of the gas sample will be in L.
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