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Problem- Part 1) Upon combustion, a 0.8009 g sample of a compound containing only carbon, hydrogen, and oxygen produced 1.6004 g CO2 and 0.6551 g H2O. Find the empirical formula of the compound.
Part 2) Write a balanced equation for the combustion of gaseous butane (C4H10), in which it combines with oxygen to form gaseous carbon dioxide and gaseous water. Write the sum of the coefficients in the box.
I have no idea how to do this! Thank you for your help!
The oxalate in the compound was found by KMnO4 titration to constitute 54.81% of its mass. Molar mass of C2O4 is 88.0193 g/mol
Write the balanced net ionic equation for the following reaction with states, and determine the conjugate acid-base pairs. HNO3(aq) + Li2CO3(aq) LiNO3(aq) + LiHCO3(aq)
How many joules of energy are necessary to heat the steam from 100.0 degrees Celsius to 114.0 degrees Celsius if the specific heat of steam is 2.01J/g degrees Celsius? Write your answer in 3 significant digits.
at 4.0 degrees celsius pure water has a density of 1.00gml. at 60.0 degrees celsius the density is 0.98gml. calculate
Explain the following observations. Use diagrams where possible and/or necessary, to aid your explanations:
(1) indicates bond types. Give the range for (a) a nonpolar covalent bond (b) a polar covalent bond (c) an ionic bond. (2) name and describe the method for lattice enthalpy measurement
a first order reaction has k 0.440 min-1 and the initial concentration of reactant is 0.840 m. what is the
nbspwhen titrating 0.15 m hcl with a calcium hydroxide solution of unknown concentration 35 ml of acid are required to
Since most potassium salts and nitrates are soluble in water, PbCrO4 must be the precipitate. The equation for this reaction is: Pb2+ + CrO4 2- -> PbCrO4. Calculate the theoretical yield using the starting quantities of both reactants.
The Ksp of AgBr is 5.4 ´ 10-13 at 25 °C. Calculate the molar solubility of AgBr in 0.015 M NaBr(aq) at 25 °C.
General Chemistry: Energy, Volume, Mass, Molarity, and Moles, Benzene is an organic solvent with the formula C6H6. It boils at 80.1 degrees celcius and melts at 5.5 degrees Celsius. Benzene's density is 0.88gm/ml; its heat of vaporization is 30.0 ..
The nitrogen-nitrogen bond lengths in N2H4, N2F2, and N2 are 1.45, 1.25, and 1.10 A, respectively. Using the Lewis Structures, how can this trend be explained? No formal charges needed?
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