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it was important that the flask be completly dry before the unknown liquid was added so that water present would not vaporize when the flask was heated.atypical single drop of liquid water has a volume of approximately 0.05ml. assuming the density liquid water is 1 g /ml,how many moles of water are in one drop of liquid water and what volume would this amount of water occupy when vaporized at 100c and 1atm
This molecule has a charge of n-. By changing the overall charge, n, from 1- to 2- to 3- we get three different polyatomic ions. For each of these ions a) identify the central atom and b) determine the formal charge of the central atom, X.
Assume that air pressure is 1.00 atm and the air temperature is 17.3 C. If the abolute zero apparatus is open to the air, how many moles of air will it hold?
What is the equilibrium constant for K2CrO4 and what is the equilibrium constant for K2Cr2O7?
calculate the mole fraction of toluene in the solution that contains 126g toluene and 94g benzene
A nugget of pure gold of 4.80 grams is absorbed 284 Joules of heat. if the initial temperature was twenty eight degree Celsius then what was the final temperature of the Au? The specific heat of gold = 0.129 J/(g·°C)?
Determine the final concentration if a 144-mL portion of that solution is diluted using water of 143 mL ?
Whats the volume of 1.05 mol of benzene at 20.7 C? The density of benzene of 0.879 g/mL.
The enthalpy change for converting 1.00 mol of ice at -50.0 degrees C to water at 70.0 degrees C is ____ Kj. The specific heats of ice, water, and steam are 2.09 J/g-K, 4.18 J/g-k and 1.84 J/g-k, respectively.
Find the volume of a molar solution and What volume of a 2.00 molar solution of sulfuric acid, H 2 SO 4 , is required to react with 250.0g of magnesium carbonate, MgCO 3 , according to the following equation?
Consider a lithium nucleus, of charge +3q Calculate the first three electron energies for an electron in Li++ ion
Determine the limiting reactant if 140 grams of Calcium phosphate combines with 3.63 mol of sulphuric acid and also explain how many moles of calcium sulphate can be obtained?
What is the theoretical yield (in grams) of the solid product when 8.02 g of iron(III) nitrate reacts in solution
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