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Pick an organic molecule that has a functional group such as, ethanol. PLEASE FIND A UNIQUE molecule that has not been discussed previously by a classmate. Briefly describe the molecule and its use Show the molecular formula Find the 3-D picture that shows the structural formula. Cite references
Calculate the attractive force (in Newtons) between a cation with a valence of +3 and an anion with a valence of -2, the centers
A student added more KSCN solution that instructed when making standard solution. assuming no other errors were made in the experiment
Problem- 1.50 mol CO2 and 1.50 mol H2 are placed in a 750 mL container at 396 degrees Celsius the equilibrium CO2- -> +H2 CO +H20 is achieved. Kc = 0.802 and Enthalpy= -91 kJ
Problem- For similar light intensity, compact flourescent bulbs use about 25% of the energy of incandesant bulbs. Lets say you replaced a bulb of 75 W with a flourescent bulb and that your utility charges $0.15/kW-hour. How many dollars would you ..
What mass of oxygen gas, measured at STP, is required in order to release 8300 kJ of heat to the surroundings from the combustion reaction shown
An ionic crystal unit cell is composed of two ions, X and Y. The empirical formula of this solid is XY2. If the X ions occupy the eight lattice points at the corners of the unit cell and on all six faces
a balloon is floating around outside your window. the temperature outside is 15 degrees celsius and the air pressure is
An electron in a hydrogen atom makes a transition from n= 2 to n= 6 which involves a photon of light. Is the photon absorbed or emitted by the hydrogen atom. Explain what is the wavelength of the photon
Explain how you would prepare 2.0 L of 0.25M HCLO4 from concentrated HCLO4 which has a density of 1.07 g/mL and contains 71% (w/w) HCLO4.
A patient weighs 146 pounds and is to receive a drug at a dosage of 45.0 mg per kg of body weight. The drug is supplied as a solution that contains 25.0 mg of drug per mL of solution.
Assuming the peaks are caused by 12C and 13C isotopes, determine the number of carbon atoms in the compound. Natural abundances: 12C is 98.93% and 13C is 1.07%.
Explain how the methylcyclohexene(s) can be distilled from the reaction mixture if the distillation temperature is kept below 100 degrees C.
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