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Problem- The fuel used in many disposable lighters is liquid butane, C4H10. How many carbon atoms are in 4.00g of butane?
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A 2.00g sample of a particular compound was dissolved in 15.0 g of carbon tetrachloride. The boiling point of this solution was determined to be 77.85 Celcuis.
Compute the initial molarity of HCL and the molarities of H30+, Cl-, and OH- in an aqueous solution that contains 0.48 mol HCL in 500.0mL of solution
Develop a detailed calorimetric method for determining the temperature of the warm water sample.
Complete and balance the following equation, and identify the oxidizing and reducing agent.(Write down each of the half reactions) Cr2O7^2-(aq)+Fe^2+(aq)-->Cr^3+(aq)+Fe^3+(aq) (acidic)
when 10cm3 of a gaseous hydrocarbon cahb was exploded with an excess of oxygen a contraction of 35cm3 occured all
moles of benzoyl peroxide and another person used the same amount of benzoyl peroxide as the first person but only used 150 moles of styrene, what would be the average molecular weight of each groups polymer sample be?
the vapour pressure of pyridine is 50.0 kpa at 365.7 k and the normal boiling point is 388.4 k. what is the enthalpy of
a solution is initially 2.5 ? 10-3 m in cu and 2.5 ? 10-3 in pb 2. iodine ion is gradually added to the solution.
Calculate molar concentration of a 4.50 l solution that contains 35.5 g of dissolved sodium hydrogen carbonate. Why should solute be added to water rather than water added to solute.
Problem- Explain what might be the difficulties, if any using the esterification experimental procedure with 88% Formic acid and 95% Ethanol to prepare: hint check the physical properties of the reagents and products
What is the lead (II) ion concentration in a solution prepared by mixing 397 mL of 0.416 M lead (II) nitrate with 457 mL of 0.284 M sodium fluoride? The Ksp of lead (II) fluoride is 3.6 × 10-8
What volume of a 0.33 M Mg(NO_3)_2 solution contains 97 g of Mg(NO_3)_2?
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