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Compute the change in temperature for 4.50 grams of Calcium chloride CaCl2 dissolved in 90.0 mL of water H2O. (Assume that the calorimeter absorbs no heat )
Recommend a explanation why the phosphorus containing side product from the Horner-Emmons-Wittig reaction is more water-soluble than the OP (C6H5)3 side product obtained from the standard Wittig reaction.
Determine the mass of H 2 O in the flask and it's the true volume at 20° C?(at 20°C the Density g/mL=0.9982071,20°C the volume of 1g of water (mL) corrected for buoyancy is 1.0029 )
A tablet of Vitamin C changed color at 23.7 mLs of Iodine. how do you determine how much vitamin c is in the tablet.
The vapor pressure of water is 28.3 torr at 29°C then determine what is the partial pressure of oxygen collected if a reaction at that temperature produces Carbon Dioxide which is collected over water at a total pressure of 576 torr, ?
Given chemical reaction is used to produce electricity in lead storage battery that used in automobiles generally.
Find out the exact significant figures for each of the values - Indicate the number of significant figures
Determine the concentration of the original Na 2 C 2 O 4 solution and disodium oxalate in the presence of excess acid.
Dehydration upon heating with concentrated sulphuric acid without carbocation rearrangement?
Calculate how many calories of heat are needed to increases the temperature of 550 grams H2O from 12 degree celsius to 18 degree celsius?
Compute the reactor volume and space time to get 90% conversion in a PFR and in a CSTR
What time will it take 10.0 mL of Chlorine gas to effuse through a porous barrier when it has been noticed that 76.3 min are needed for 10.0 mL of Hydrochloric acid gas to effuse through the same barrier.
Determine the partial pressure and total pressure of each gas in the vessel and process of reaction runs until eighty five of the Oxygen is used and the vessel get cooled to its starting or initial temperature.
The standard free energy of activation of a reaction X is 89.4 kJ mol-1 at 298 K. Reaction Y is one million times faster than reaction X at the same temperature.
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