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To Hydrocarbons A and B, each contain six carbon atoms and one C=C.Compound A can exist as both E and Z isomers but compound B cannot.However, both A and B on catalytic hydrogenation give only3-met
A saturated solution contains4.87g KC2H3O2 in 40.0mL of water at 25 degrees C. What is the solubility in g solute/(100gH2O)? Calculate the mole fraction of solute at this temperature.
You have a sample of unkonw metal that you have heated to 100 deg Celsius (oC) in boilin water. If, unknown to you, the metal sample cools some what before being added to your calorimeter.
In feldspars Al has a coordination number (CN) of 4 with respect to O, but in jadeite and garnet the CN of Al is 6. The ionic radius of Al is different in the two cases.
How many grams of sodium acetate should be dissolved in 400.0g of water to prepare a solution that is 11.28% by mass in the solute?
A solution is prepared by mixing 138.2g of ethanol, 103.6g of water and 80.11g of methanol. Calculate the mole fraction of each component.
We know that in olivine the corrdination number of Si is 4 with respect to oxygen. Predict the coordination number of Mg and Fe. What would be the geometry of oxygens surround
A variable-order reaction with a half-saturation constant 50 mg/L and a maximum rate of 4 mg/L-hr occurs in a batch reactor. If the initial concentration is 10 mg/L, how long is required to ac
Three of the alkene products have large peaks at a mass to charge ratio (m/z) of 69, the other two alkenes do not show large peaks at this value.
Does the reaction between acetone and iodine follow the general rule concerning the relation between a 10-degree increase in temperature and the reaction rate? Explain.
Calculate the finaltemperature of a sample of argon of mass 12.0 g that is expand edreversibly and adiabatically from 1.0 dm^3 at 273.15 K to 3.0dm^3.
The constant-pressureheat capacity of a sample of a perfect (ideal) gas found to varywith the temperature according to the expression Cp / (J/K) = 20.17+ 0.3665 (T/K).
A sample of 1.0 molgaseous water is condensed isothermally and reversibly to liquidwater at 100 C. The standard enthalpy of vaporization of water at100 C is 40.656 kJ/mol. Find the internal energy
A sample consisting of1.0 mol Argon is expanded is othermally at 0 C from 22.4 dm^3 to44.8 dm^3 reversibly. Calculate the energy exchanged through heat with the surroundings.
A chemical reaction occurs in a batch reactor. The intital concentration of sompound A is 100 mg/L. The concentration which remains after 10 minutes is 90 mg/L.
You allow 75 grams of carbon monoxide to react with 58 grams of hydrogen according to the following process. Determine the limiting reactant and the amount of methanol produced.Co2 (g) + H2(g) equal
A 0.3130-g sample of impure Ca(OH)2 is dissolved inenough water to make 52.90 mL of solution. 20.00 mL of the resulting solution is then titrated with 0.2768-M HCl. What is the percent purity o
If equal, rigidspheres are arranged in a simple cubic lattice in the usual way,i.e., in such a way that they touch each other, what fraction of the corresponding solid will be empty space?
The solubility of KNO3 is 155g per 100g of water at 75Cand 38.0g at 25C. What mass in grams of KNO3 will crystallize out of the solution if exactly 750g of its saturated solution at 75C is c
Carbon dioxide goes from a solid to a gas at -78 degreesCelsius. The molar heat of sublimation is 25.2 kJ/mol. In one experiment, 20.5 g of dry ice is placed in an insulated,isolated container with
A closed 5.00 L flask contains 3g of mercury. The system is all atroom tepmerature of 25 degree C. By how many degree should we increase the temperature of the flask to triple the mercury vaporpres
How much heat in kJ is needed is to convert 826 g of ice at -10degrees Celsius to water at 100 degrees Celsius? The specific heatsof ice and water are 2.03 and 4.184 J/g x degrees Celsiusrespectivel
A student puts his hand in the path of a jet of steam with a temperature of 100 °C. By the time he pulls his hand out of the jet of steam 0.51 g of water have condensed. How many joules were abs
A cylinder contains 2 lbm of an ideal gas wth a gas constant Rof 53 ft lbf/lbm oR. The gas is initially at agauge pressure of 30 psi and temperature 100 oF.
Lauryl alcohol is obtained from coconut oil and is used to make detergent. A solution of 5.00 g of lauryl alcohol in 0.100kg of benzene freezes at 4.10C. What is the approximate molarmass of the lau