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Problem- Lindane is a toxic insecticide that causes dizziness and diarrhea in humans. Find the molecular formula for lindane given its percent composition: 24.78% C, 2.08% H, and 73.14% Cl. The approximate molar mass is 290 g/mole
Not confident which formulas/units I require to solve something like this
what is the maximum amount of o2 in grams that can be obtained from 2.00 x 102 g of nitroglycerin? b what is the yield
How much limestone in kilograms would be required to completely neutralize a 5.2 x 109 L lake containing 5.0 x 10-3 g of H2SO4 per liter
Calculate the pre-equilibrium concentration of Fe3+(aq) in a solution made by mixing 2.8 mL of 2.010?3 M Fe(NO3)3 and 7.2 mL of 2.010?3 M NaSCN. Assume the final volume is 10.0 mL.
A person ate 0.999 pound of cheese (an energy intake of 7990 kJ). Suppose that none of the energy was stored in his body. What mass (in grams) of water would he need to perspire in order to maintain his original temperature? (It takes 44.0 kJ to v..
Calculate concentrations of H30+ and the pH of each acidic solution. Since HCl is a monoprotic acid, the H30+ concentrations are equivalent to HCl. First do equation: (M con)(V con)=(M dil)(V dil)
State a balanced chemical equation for the reaction that occurred. Remember that halides are present in solution as sodium salts (Example sodium bromide)
In the morning after frost, the T= - 5degrees C as well as the partial pressure of water in the atmosphere fell to 5Torr. Will the frost sublime, if dHvap is 40, 656 kJ/mol as well as the triple point of water occurs @273.16K and 0.0006bar. Please..
Predict any precipitates that are formed when the following solutions are mixed and give the net ionic equation. Ba(NO3)2 solution and KOH solution.
calculate the vapor pressure lowering of water when 5.67 g of glucose c6h12o6 is dissolved in 25.2 g of water at 25
Treatment of the following stereoisomer of 1-bromo-1,2-diphenylpropane with sodium ethoxide in ethanol gives a single stereoisomer of 1,2-diphenylpropene. Draw the E2 elimination product of the reaction.
Refer to the periodic table and select the symbol of the element that fits each of the following descriptions: a) the group IVA/14 semimetal in the fourth period.
how glycine buffers solutions at either pKa by consuming small amounts of added hydrogen or hydroxide ions
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