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A hydrocarbon is burned in an excess of oxygen to give 1.32g of carbon dioxide and 0.72g of water. What is the empirical formula of hydrocarbon?
the usefulness of the addition of an internal retention time standard that elutes near the end of the chromatogram
Small air bubbles in the salt bridge may not be a problem. How can the presence of air bubbles in the salt bridge alter the effectiveness of this salt bridge
A buffer solution contained 0.135 M HCO2H and 0.215 M HCO2Na and had a pH of 3.95. What is the final pH of the solution if 5.00 mL of 1.00 M NaOH was added to 100. mL of this solution
What is the purpose of a. the 0% T adjustment and b. the 100% T adjustment of a spectrophotometer
For the decomposition of ammonia on a tungsten surface at 1100 oC 2 NH3 N2 + 3 H2 the average rate of disappearance of NH3 over the time period from t = 0 s to t = 1417 s is found to be 3.40E-6 M s-1. The average rate of formation of N2 over the s..
Find the concentration of benzene in water (miligram/Liter) if the water is in equilibrium with a layer of oil containing 1%(mol) benzene. the solubility of benzene in water is 1.8 gram/Liter, the molecular weight of benzene is 78.11g/mol
Galvanic cell consists from CO/CO2+ standard electr0de and NI/NI2+ ELECTRODE. At what concentration of nicle electrolyte the theoretical
2-Methyl-1-propanol is more soluble in water than is glycerol because 2-methyl-1-propanol forms fewer hydrogen bonds with water. Glycerol is more soluble in water than is 2-methyl-1-propanol because glycerol can form multiple hydrogen bonds with wate..
Which is the stronger base, HSO4- or H2O? b. Which is the stronger base, H2O or OCl-?
One of the first steps in the enrichment of uranium for use in nuclear power plants involves a displacement reaction between and aqueous HF.
Consider the following reaction at constant P. Use the information here to determine the value of ?Ssurr at 355 K. Predict whether or not this reaction
When o.514 g of biphenyl (C12H10) undergoes combustion in a bomb calorimeter, the temperature rises from 25.8 to 29.4 degree Celcius. Find delta energy reaction for the combustion of biphenyl in KJ/mol biphenyl.
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