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A gaseous compound containing carbon and hydrogen was analyzed and found to consist of 83.65% carbon by mass. At 139 degrees C and 1.00 atm, the density of this compound is 2.55g/L. What is the molar mass?
Calculate the work in Joules when 2.5 mols of water vaporizes at 1 atmosphere pressure and 25 degrees C. The work is done in pushing back the atmosphere.
Limeway Company issues $5,000,000, 6%, 5-year bonds dated January 1, 2007 on January 1, 2007. The bonds pay interest semiannually on June 30 and December 31. The bonds are issued to yield 5%. What are the proceeds from the bond issue?
produces carbon dioxide and water. After 5.6 of ethanol (density = 0.789 ) was allowed to burn in the presence of 12.5 of oxygen gas, 3.10 of water (density = 1.00 ) was collected. Determine the theoretical yield of H2O and the percent yield for th..
Calculating the Equivalent Weight of an Unknown Substance, An unknown organic carboxylic acid, mp = 139-141 degrees Celsius, is burned with a yellow, sooty flame. The sodium fusion test showed that nitrogen was present.
3 atoms of carbon combine with 4 molecules of hydrogen to produce methane (CH4). 7 molecules of hydrogen and 2 molecules of nitrogen gases react to produce ammonia
solving this question helps the student to understand how to find molecularnbsp formula using empirical formula and
The absorption spectra of ions have been used to identify the presence of the elements in the atmospheres of the sun and other stars. What is the wavelength of light (in nm) that is absorbed by He+ ions
A 1.0 L sample of a gaseous compound of hydrogen, carbon, and nitrogen gave upon combustion 2.0 L of CO2, 3.5 L of H2O vapor, and 0.50 L of N2 (with all gas volumes measured at the same T and P). What is the empirical formula of the compound?
Write a balanced equation for the neutralization of each of the following. Express your answer as a chemical equation. Identify all of the phases in your answer
Draw structural formulas for propanal and propanone. From these formulas, do you think that aldehydes and ketones are isomeric with each other. Show evidence and substantiate your answer by testing with a four carbon aldehyde and ketone.
What are the alkene products of 2-bromo-3-phenylbutane treated with sodium methoxide
A total of 5 moles of gas react together to produce 4 moles of gas. They are at equilibrium and the process is exothermic. It may be given as follows
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