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Find the number of moles of water that has been lost from MgSO4.7H2O, when you heat 2.9560 g of this hydrate to give the anhydrous MgSO4. Molar mass of MgSO4.7H2O = 246.5 g/mol and molar mass of H2O = 18.0 g/mol. (Give correct units with correct number of significant figures).
Calculate the amount of heat transferred when 46.0 g of CH3OH is decomposed by this reaction at constant pressure.
A packet of the same soup sold in the U.S. would have the same nutritional information in kilocalories per cup. There are two cups in a pint. How many nutritional calories would be quoted per cup of prepared soup?
Compare and contrast the accuracy and precision of at least three types of measurements used in life
question the change in enthalpy delta s standard for a reaction is -31.7 kjmol. the equilibrium constant for the
Phosgene, COCl2, is formed from Cl2 and CO at high temperatures. The mechanism is thought to be: What is the rate law predicted for this mechanism
How many grams of ethylene glycol (C2H6O2) must be added to 1.15 kg of water to produce a solution that freezes at -4.82 degrees celsius
For the titration of 25.0 mL of 0.20 M hydrofluoric acid with 0.20 M sodium hydroxide, determine the volume of base added when pH is 3.15
Calculate the approximate SO 2 mass emission in lb/day.
What is the molecular formula of the compound with empirical; formula C5H8O and molar mass 336.5 g mol-1?
Calculate the pH at the equivalence point in the titration of 68 mL of 0.10 M methylamine (see Table 15.4) with a 0.20 M HCl solution.
Calculate the wavelength (m) associated with an electron that travels at 65% of the speed of light.
What total mass of hydrogen is contained in 7.1 g of solution that is 51 % hydrogen peroxide
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