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A 1.000 mol sample of propane a gas utilized for cooking in many rural areas was placed in a bomb calorimeter with surplus oxygen and ignited. The preliminary temperature of the calorimeter was 25.000°C as well as its total heat capacity was 96.84 kJ•°C-1. The reaction raises the temperature of the calorimeter to 28.520 °C.
a) State the balanced chemical equation for the reaction in the calorimeter.
b) Explain how many joules were liberated in this reaction? Express your answer in scientific notation.
c) Explain what is the heat of reaction of propane with oxygen expressed in kilojoules per mole of C3H8 burned?
Give the cell notation based on the following reaction: Fe(s) + Hg2 ++ (aqueous) = Fe++ (aqueous) + 2Hg (l) the solution concentrations are 0.01 M
Reaction of 1.5 g calcium chloride with 3.4 g of silver nitrate gives 2.7 g of silver chloride. Write the balanced formula and net ionic equations for the reaction. Determine the limiting reagent and the theoretical and percent yields of silver ch..
How many grams of the K2C2O4XH2O in the salt mixture remain unreacted (in excess). What is the percent by mass of each salt in the mixture
The labeling of acetone with 18O is catalyzed by both acid and base. Show Mechanisms for both reactions.
Zinc sulfide reacts with nitric acid to give zinc sulfate as well as nitric oxide. Compute the mass of zinc required to react with 110mL of 0.15 M nitric acid
A 20.00 liter container holds 5.00 g of helium ( He, AW = 4.0g/mol ), 5.00 g of nitrogen ( N, AW = 14.0g/mol ) and 5.00 g of argon ( Ar, AW = 39.9 g/mol ) at 25 C. What is the partial pressure of each gas and total pressure of the mixture of gaase..
An experiment requires 40.0 of ethylene glycol, a liquid whose density is 1.114 . Rather than weigh the sample on a balance, a chemist chooses to dispense the liquid using a graduated cylinder. What volume of the liquid should he use?
The subsequent four numbers are estimates of the mass of an object- 4.30 g, 5.82 g, 5.79 g, and 5.47 g. Explain what is the standard deviation to two significant figures
2.1417 x 103 mg of a homoatomic diatomic ideal gas occupies a volume of 1.37 x 103 cc at a temperature of 25 deg C and a pressure of 16.14 in. Hg Explain What is the identity of the gas
what is the molarity of acetic acid in vinegar when 19.9 mL of NaOH neutralized vinegar and the molarity of NaOH is 0.2175?
Again, the bottom layer was removed, and the aqueous layers were combined. HCl (2M) was added to the aqueous layer with stirring to acidify the solution. The solid was collected by suction filtration and then air-dried. What is the overall reactio..
The assay of a soda ash sample was reported as 65.21% Na2CO3. Express the carbonate content in terms of percent CO2 and percent carbonate ion.
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