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If A gas consisting of only Carbon and Hydrogen has an empirical formula of CH2. The gas has a density of 1.65g/L at 27 degrees Celsius and 734 torr. Find out the molar mass and molecular formula of the gas
Draw 4-fluoro-2,2-dimethylhexane using wedges/dashes & use Newman Projections along the C3-C4 bond to show the most stable & least stable conformations.
a 25.00mL sample of NaClO is titrated with 0.001005M HNO3. If 10.02mL of of HNO3 is required to reach the endpoint of titration, determine the concentration of ClO- in the original sample.
An ammonia/ammonium buffer solution contains 0.49 M NH3 and 0.62 M NH4+. The Kb value of ammonia is 1.8x10^5. Calculate the pH of this buffer.
Disregarding any other losses and treating the animal as a closed system, what was the change in internal energy of the animal?
In a gravimetric chloride lab, a source of error was that the precipitate was washed to remove the adsorbed Ag+1 ions. assume that it was washed with a total of 60mL of pure water.
The concentration of glucose in blood is approximately 90 mg/100 mL. What is the weight/volume percent concentration of glucose. what is the molariy of glucose
An airplane is pressurized to 650 {rm mm,Hg}, which is the atmospheric pressure at a ski resort at 1.30×104 {rm ft} altitude. If the partial pressure of oxygen drops below 100 {rm mm,Hg}, passengers become drowsy.
At what temperature does water boil on the top of Mount Everest, elevation z=8848m. Recall that the dependence of pressure with altitude is given by P=Patmexp^(-MWgz/RT) where, Patm is atompheric pressure, g is the gravitational acceleration, and ..
Displays the volume and pH at which equivalence was reached and plots this point on the graph and validates the code by plotting the midpoint using both methods and displaying the volume and pH for both methods in the Command Window.
What is the boiling point of a solution that is produced by adding 650 g of cane sugar (molar mass is 342.3 g/mol) to 1.5 kg of water? Cane sugar is a molecular substance.
Calcium nitrate will react with ammonium chloride at slightly elevated temperatures, as represented in the equation Ca(NO3)2(s)+2NH4Cl(s)--->2N2o(g)+CaCl2(s)+4H2O(g)
The barrier of rotation around the c-c bond in bromo ethane is 15kj/mol. What energy value can you assign to a H-br elipsing interaction , knowing that H,H eclipsing interaction is 4kj/mol
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