Determining the complete combustion
If a bottle of nail polish remover contains 158 of acetone, how much heat would be released by its complete combustion?
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Examine the reaction you have written. What will be the effect of decreased pressure on the system on the concentrations of [O2] , [HbO2] and [Hb] in the blood
the explosive, TNT, is composed of 37.0% carbon, 2.2% hydrogen, 18.5% nitrogen and the rest oxygen. if the molar mass of TNT is 227 g/mol, what is the empirical and molecular formula for TNT?
Classify the solid state of the following substances as ionic crystals, covalent crystals, molecular crystals or metallic crystals:
A 67.0-g piece of gold at 725K is dropped into 165 g of H2O(l) at 298K in an insulated container at 1 bar pressure. Calculate the temperature of the system once equilibrium has been reached. Assume that Cp,m for Au and H2O is constant at its value
What is the molecular formula of a compound with a percentage composition 26.7% P, 12.1% N, and 61.2% Cl and a molecular mass of 695u.
Calculate the percentage of empty space in 1 mole of water at 25 c. obbtain the density from the experiment "some measurements of mass and volume." the volume of a molecule of water can be taken as the sum of the volumes of the two hydrogen
Q: Once the solvent front reaches the top of the chromatographic paper, solvent begins to evaporate from the top edge of the paper and the remaining solvent continues to move up the paper.
Carbon monoxide and water vapor, each at 200. Torr, were introduced into a 250. mL container. When the mixture reached equilibrium at 700.°C, the partial pressure of CO2(g) was 88 Torr. Calculate the value of K for the following equilibrium.
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