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Suppose that you had a sample containing 75% by weight Potassium Chlorate and 25.0% inert nonvolatile material. What weight loss should you observe after intense heating, if the original sample weighed 1.100 g?
determine how many pounds a citizen would have to weigh in order to have ice melt beneath his/her ice skates. Do a bit of research and find out the area if cibtact betweeb a typical ice skating blade and the ice surface
What is the mole fraction of solute and the molal concentration for an aqueous solution that is 16.0% NaOH by mass
An aqueous solution is 5.80% methanol (CH3OH) by mass with d= 0.988 g/ml. What is the molarity of CH3OH in this solution
calculate the energy leaving with water. Solve this problem with the use enthalpy of the product stream
If a solution is made with 0.125M magnesium nitrate, (Mg(NO3)2), and 0.100M aqueous ammonia (NH3) will a precipitate of magnesium hydroxide form Ksp= 1.1e-10 Kb= 1.8e-5
What is the number of H's per signal and the splitting for each signal for 2 chloropropane in an NMR?
Compute the change in temperature when 2 g of sodium chloride is dissolved in 270.0 mL of water initially at 25 C. The heat capacity of water is 4.184 J/mL/K. Neglect the heat capacity of the NaCl.
What is its fate as cooling occurs? To help address the question, calculate the equilibrium constant at 298 K and 1300 K for each reaction: ½ O2(g) + NO(g) ? NO2(g)2 NO2(g) ? N2O4(g)
Sodium borohydride to 9-fluorenone that you used in the experiment (we used 100 mg of 9-fluorenone and 10 mg sodium borohydride). why is it necessary to use a greater molar ratio than theoretical
compounds like rm ccl2f2 are known as chlorofluorocarbons or rm cfcs. these compounds were once widely used as
write a detailed mechanism for the reaction of salicylic acid with acetic anhydride showing clearly the function of the catalyst,
The standard free energy of activation of a reaction A is 89.0 kJ mol-1 (21.3 kcal mol-1) at 298 K. Reaction B is ten million times faster than reaction A at the same temperature
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