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Fructose contains only C,H, and O. 17.1g of carbon dioxide gas and 7.26 g of water vapor were produced when 12.1 g of solid fructose were combusted with excess of oxygen gas.
Which compound was the limiting reactant and why?
caffeine is about 10 times as soluble in hot water as in cold water, a chemist puts hot water extract of caffeine in to an ice bath and some crystallizes. is the remaining solution saturated unsaturated or supersaturated and why?
Consider the reaction that occurs when a solution containing hydrochloric acid (HCl) is added to a solution containing the weak base methylamine (CH3NH2).
An oxidation-reduction reaction in which 3 electrons are transferred has a deltaG(standard)=+18.55 kJ at 25 C. What is the value of E(standard)
Draw a reasonable Lewis structure for POCl3. Assign formal charges for the atoms in your Lewis structure. Draw a second legitimate resonance contributor for POCl3
Give some values of pressure and temperature at which you are sure that the substance called zinc exists in an equilibrium state as a) solid and b) vapor
The bond in molecular iodine is quite weak, and hot iodine vapor contains a proportion of atoms. When 1.00 g of I2 is heated to 1000 K in a sealed container of volume 1.00 L
What is the mass of air in the cylinder? What is the temperature in the cylinder when the volume reaches 4.00 in3?
A1.15 g sample of dry ice is added to a 765 mL flask containing nitrogen gas at a temperature of 25.0 C and a pressure of 715 mm Hg.
If the electron affinity for an element is a negative number does it mean that the anion of the element is more stable than the neutral atom. Explain
How much heat is required to vaporize 55.0 of acetone at its boiling point? The heat of vaporization of acetone at its boiling point is 29.1.
When 7.51 grams of propane reacts with excess oxygen how many grams of carbon dioxide are formed
An enzyme reaction, in 2ml of 0.08 M of an acetate buffer, pH=4.76. During this reaction 2micromol H+ was produced
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