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Determine the value of work (w) when a piston of volume 0.2 litres expands against an external pressure of 200 kPa to a volume of 3.4 Litres?
a total pressure of a gas mixture is observed 770 atm and this mixture contains each of the given gases N2,O2,CO2 at the indicated partial pressures: , 118 atm; , 206 atm; and , 196 atm. It also has helium gas. What mass of helium gas is present in a 14.5 sample of this mixture at 265 atm pressure?
Methanol (CH3OH) can be made by controlled oxidation of methane. CH4(g) 1/2 O2(g) ? CH3OH(g) (a) Calculate ?H° and ?S° for this reaction. (b) Calculate ?G° at 298 K. (c) Calculate the temperature at equilibrium.
if water is added to magnesium nitride, ammonia gas is produced when the mixture is heated. if 10.3 g of magnesium nitride is treated with water, what volume of ammonia gas would be collected at 20 celcius and .989 atm
The Coal is fed with 200% excess water ( excess is calculated with respect to CO formation) 100% of coal is consumed. the selectivity to CO (with respect to CO2) is 1:1 the functional conversion of the CO is 50% what is the final gas composition? ..
Draw the Lewis Structure for a Nitrate Ion (NO3-1). Assign the formal charge for the central atom, Nitrogen. What is that formal charge
an LC analysis with a 30.0cm column yields the tabulated data. what is the resolution between peaks A and B?
Electrochemical cell potentials can be used to determine equilibrium constants that would be otherwise difficult to determine because concetnrations are small
What volume will 454 grams (1 lb) of hydroigen occupy at 1.05 atm and 25 C.
calculate how many liters of seawater are needed to produce 79.1 L of fresh water at 20 °C with an applied pressure of 50.0 bar.
what is the maximum mass of product (oil of wintergreen) that could be formed? The density of methanol is 0.791 g/mL.Give your answer in grams with 3 significant figures.
What mass of this substance must evaporate in order to freeze 112 of water initially at 18? (The heat of fusion of water is 334 the specific heat of water is 4.18 .
Show the mechanism for the preparation of 1-bromobutane from 1-bromobutanol reacting with NaBr and sulfuric acid. an sn2 mechanism and one step.
Construct a graph of the Maxewell distribution of speeds (equation 20.4 in Atkins Book) for Cl2 at 100 K and 298 K using excel or mathematica.
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