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It takes 33 melt 3.51 joules to exactly 1 gram of H2O. What is the molar heat of fusion for water, from this data?
How many grams of chlorine gas are needed to react with 11.5 grams of sodium metal
Calculate the amount of water (in liters) that a camel can produce from 1.0 kg of fat. Assume for simplicity that the fat consists entirely of tripalmitoylglycerol. please show work how you arrive with the answer.
Determine How many moles each of Na+ and Cl- are in 0.800 L A physiological saline solution contains 172mEq/ L each of Na+ and Cl-of the saline solution?
Set up the Gibbs energy equation (G) and calculate the Gibbs energy equation at 300 K and at 1300 K? At what temperature is the reaction spontaneous? hint: be very careful with the units of enthalpy and units of entropy.
Phosgene (COCl2) is a toxic substance that forms readily from carbon monoxide and chlorine at elevated temperatures: CO (g)+ Cl2 (g) ? COCl2 (g).
If the molar enthalpy of water is 6.009 kJ/mol, how much energy is needed for 4.5 moles of ice to melt at STP?
What is the molecular formula for the alkane with 39 carbon atoms? What is the molecular formula for the cycloalkane with 38 carbon atoms?
Calculate the hydrogen ion concentration for an aqueous solution that has a pH of 3.45.
How many grams of water can be cooled from 34°C to 11°C by the evaporation of 85 g of water? (The heat of vaporization of water in this temperature range is 2.4 kJ/g. The specific heat of water is 4.18 J/g-K.)
The use of phenols such as tert-butylcatechol as free-radical scavengers is based on the fact that phenolic hydrogens are readily abstracted by radicals
Some ice cubes at 0 degrees celsius with a total mass of 335 g. are placed in a microwave and subjected to 750. W of energy for 5 minutes.
What is the percent yield of a reaction in which 260. g phosphorus trichloride reacts with excess water to form aqueous phosphorus acid (H3PO3) and 127 g HCl?
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