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The volume of a gas is 158 liters when the pressure is 763 torr and the temperature is 21.0c. the volume expands to 192 liters when the pressure is changed to 548 torr and the temperature changes also. calculate the final tempertature in celcius
A stream of air (21% O2 m, the rest N2) flowing at a rate of 10.0 kg/h is to be mixed with a stream of CO2 inside a mixer. The CO2 enters the mixer at a rate of 20.0 m/h at 150 ?C and 1.5 bar. What is the mole percent of CO2 in the product stream
the vapor leaving the top of a distillation column goes to a condenser in which either total or partial condensation takes place.
The heat of neutralization of HCl by NaOH is H°rxn = -56.2 kJ/mol. How much heat is released when 125 mL of 1.750 M HCl is mixed with 195 mL of 0.667 M NaOH.
The density of lead is 11.3 g/ml . The water level in a graduated cylinder initially at 217 ml rises to 286 ml after a piece of lead is submerged. What is the mass in grams of the lead?
Problem- From its electronic configuration, predict which of the first 10 elements would be most similar in chemical behavior to the as yet undiscovered element 119.
The vapor pressure of dichloromethane, rm CH_2Cl_2, at 0 rm ^{circ}C is 134 rm mmHg. The normal boiling point of dichloromethane is 40. rm ^C. Calculate its molar heat of vaporization.
Suppose you have two joined metals (Gold and Copper(II)) immersed in 1 M HCl acid, based on the reactants present write possible half cell (anode/cathode) and full cell reaction(s).
Write the balanced chemical equation that represents the addition of CL2 to CH3CH=CH2.
Explain how a redox reaction involves electrons in the same way that an acid-base reaction involves protons.
The maximum allowable concentration of Pb2+ ions in drinking water is 0.05ppm that is, 0.05 g of Pb2+ in 1million g of water. Is this guideline exceeded if an underground water supply is at equilibrium with the mineral anglesite, PbSO4 (Ksp=1.6 x1..
The tire is filled with dry air at sea level and a temperature of 60F to 32lb/in^2. Standard sea level pressure is 101325 Pa at 0 degree C (STP). How many moles of air are contained in the tire. How many molecules
Draw a Lewis Structure for C3O2. Draw a Lewis Structure for C2H3NO5
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