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A trial of this decomposition experiment, using different quantities of reactants than those listed in the question above produced the following data: Volume of O2 produced at room conditions: 280 ml Barometric pressure: 740 torr Temperature of water: 24oC Temperature of O2: 25oC Vapor Pressure due to water at 24oC: 22.4 torr For the conditions listed above, calculate the volume of O2(g) produced at standard conditions of temperature and pressure. (enter your answer in liters)
A rubber balloon was inflated with helium gas and floated in the air. The next day, the balloon was somewhat smaller and no longer floated.
sodium sulfate how many grams of solid ppt will be formed. How many grams of reactant in excess will remain. What is chemical equation
The solubility of AgCl(s) in water at 25 degrees C is 1.33*10^-5 mol/L and its deltaH0 of solution is 65.7 kJ/mol.
Determine the calorimeter constant of the calorimeter in which the combustion of 0.600 g of sucrose raises the temp by 1.96 C
0.2 M HCl is used to neutralize 20 mL of 0.35 M NaOH. a. How many moles of OH- are present?
Determine the balanced net ionic equation when aqueous solutions of AgNO3 and NaI are mixed. The balanced net ionic equation is:
A mixture of 4.50 g of He, 12.0 g of Ne, and 29.0 g of Kr is placed in a cylinder at STP. Calculate the partial pressure of each gas.
Calculate the hypothetical retention times for caffine and aspartame if their retention factors were reduced by 28.0 %. Assume the mobile phase retention time (tm= 29.7 s) remains constant.
the dehydration of beta-hydroxy ketone occur so readily to produce the alkene compared with all the unsuccessful effort to dehydrate an alcohol under basic conditions?
3230 J of heat are added to a 29.7 g sample of iron at 29 degree C. What is the final temperature of the iron? The specific heat of iron is 0.449 J/g. K
The density of tungsten is 19.35 g/cm3. A sample of tungsten is placed in a graduated cylinder containing 30.0 mL of water and the water level rises to 34.0 mL. What is the mass in grams of the sample of tungsten?
Acrylonitrile is an important building block for synthetic fibers and plastics. Over 2 billion pounds of acrylonitrile are produced in the United States each year.
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