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Meteorologists historically reported pressures in mmHg or inches of water. Explain what is the pressure in atm and in pascals, if the pressure in a lower pressure system is 722 mmHg?
Find the mass fraction and mole fraction of each component, the molar mass of mixture, and it's gas constant.
the chemical commodity is described on the relevant shipping paper as follows 5 lb rq compressed gas flammable toxic
1. the volume of an ideal gas is 2.06l and standardtemperature and pressure. caculate the volume at 1.75atm and
the us consumed 18.8 million barrels mbbl of crude oil per day in 2009. the bp gulf oil spill totaled roughly 200
Solutions of sodium thiosulfate are used to dissolve unexposed AgBr ( Ksp= 5.0E-13) in the developing process for black-and-white film. What mass of AgBr can dissolve in 1.00L of 0.500M Na2S2O3?
Explain how many grams of glucose need to be burned to heat a block of metal from 23 °C to 167 °C? The piece of metal has a density of 3.438 g mL-1, a specific heat of 0.476 J g-1 °C-1, also has dimensions of 2.2×2.63×1.17 cm. Mass of metal block(..
A 125 ml sample of a solution that is 2.6x10^-3M in AgNO3 is mixed with a 230 ml sample of a solution that is 0.10M in NaCN. After the solution reaches equilibrium, what concentration of Ag+ remains?
In a particular titration experiment a 25.0 mL sample of an unknown monoprotic acid required 30.0 mL of .200 M NaOH for the end point to be reached. What is the concentration of the acid?
calculate change in gibbs free energy for the reaction cog 12o2g-co2g at 298.15 k. calculate change in gibbs free
calculate the theoretical moles of NaOH that should be necessary to reach the equivalence point
A hydrate has the following percent composition: Pb = 54.61%, C = 12.66%, H = 1.61%, O = 16.88% and H2O = 14.24%. What is the formula of the hydrate.
One mole of an ideal gas with a volume of 1.3 L and a pressure of 6.9 atm is allowed to expand isothermally into an evacuated bulb to give it a total volume of 3.1 L. Calculate w and q. Also, calculate qrev for this change of state.
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