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Know that biological discrimination based on geometrical isomerism is responsible for the large difference in the physiological effect of the two isomers in muscalure. Can someone explain briefly why?
If 1.50g (NH4)2SO4 is dissolved in enough water to form 250 ml of solution, what is the molarity of the solution.
Calculate the mass of nitrogen dissolved at room temperature in an 92.0L home aquarium. Assume a total pressure of 1.0 atm and a mole fraction for nitrogen of 0.78.
The fuel used in many disposable lighters is liquid butane, C4H10.How many carbon atoms are in 2.00 g of buta? Express numerically in atoms
Organic chemists rely heavily on the spectroscopic methods of IR and NMR. Explain in great detail (that means more than 2 or 3 sentences) why the two methods have to be used in tandem to determine
Provide a structure for the following compound: EI mass spectrum: two molecular ions of about equal intensity at m/z = 180 and 182; IR: 1740 cm-1; 1H NMR: ? 1.30 (3H, t J = 7 Hz); ? 1.80 (3H, d, J = 7 Hz); ? 4.23 (2H, q, J = 7 Hz); ? 4.37 (1H, q, ..
Although coals is a complex mixture of substances, its elemntal composition can be approximated by the formula C135H96O9NS. Using this formula predict the amount of CO2 released from the combustion of 1.00 x 10^6 metric tons of coal. 1 metric ton ..
A cell composed of a platinum indicator electrode and a silver-silver chloride reference electrode in a solution containing both Fe2 and Fe3 has a cell voltage of 0.725 V. If the silver-silver chloride electrode is replaced with a saturated calome..
Assuming that N2 obeys the Van der Waal's equation, determine the Boyle temperature of 1 mol of N2 and determine the percent error in the answer knowing that the experimental value of the Boyle temperature
When a positron and an electron collide and annihilate each other, two photons of equal energy are produced.
calculate the equilibrium partial pressures of CO2 and CO.
What mathematical expresssion will yield the correct volume at 177 degrees celsius and 400mgHg?
draw a dot and cross diagram to show the bonding in ch2f2. your diagram only needs to show the outer shell
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