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What must be the initial temperature of 22g of steam that is mixed with 90g of water at 68 degree celcius in an adiabatic calorimeter with a heat capacity of zero and that produces a mixture of 95g of water and 17g of steam at 100 degree celcius and 1atm?
Compute the volume of CO 2 and water vapour produced and the volume of oxygen remaining, when 20.0 dm 3 of propane reacts with 120.0 dm 3 of oxygen. All gas volumes are measured at the same temperature and pressure.
Hydrogen atoms that are bonded to an sp3 hybridized carbon atom normally appear between 0.9 & 1.8 ppm and are said to be shielded
what is the molecular geometry around each central atom: CH2CH2(double bond) C=? C=? Also, for CH3 O CH3 C-O-C C=? O=? C=.
When 5.00 g of Cr2O3 are allowed to react with 12.00 g of CCl4, if the yield in such experiment is 85.05? which reactant is left over of CrCl3 are obtained? Cr2O3 + 3 CCl4 → 2 CrCl3 + 3 COCl2
Calculate the molarity of 464 mL of a solution that contains 135 g of sucrose C12H22O11
The volume of a cylinder in an auto is 0.44L. the cylinder is filled with a gasoline and air mixture at 1.0 atm and then is compressed to 0.073L prior to ignition.
A sample of nitrogen gas is contained in a piston with a freely moving cylinder. At 0 C, the volume of the gas is 307 mL. To what temperature must the gas be heated
Given the following two solutions: 0.200 M HC2H3O2(aq) with pKa = 4.76 0.200M NaOH(aq) A mixture is made using 50.0 mL of the HC2H3O2 and 25.0 mL of the NaOH. What is its pH?
If 93 of heat are added to a pure gold coin with a mass of 11 , what is its temperature change? Specific heat capacity of gold is 0.128?
Draw all stereoisomers having molecular formula C6H12 that contain one double bond and give the IUPAC name for each compound.
A 3.84-mole sample of a gas is held at a temperature of 297 K and a pressure of 286 atm. Determine the volume of the gas sample.
How many grams of copper are in the necklace? 3. If 18-karat gold has a density of 15.5 , what is the volume in cubic centimeters?
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