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Compound A is burned in a calorimeter that contains 3000 grams of water. if the combustion of 0.25 moles of this compound causes the temperature of the water to rise 41.0 degrees celcius, what is the molar heat of combustion of compound A? The specific heat of the water is 4.2 J/g celcius
Petroleum consumption in the US in 1990 supplied about 34.6E15 kJ of energy. Of this quantity, about 14.3E15 kJ was supplied by foreign sources.
separate a mixture of alkanes. which hplc mode will you choose and why? consider normal-phased reverse-phased
consider a lithium atom two of its electrons are in the 1sshell and the third is in the 2s shell1- consider the lithium
Consider a linear string of five hydrogen atoms, H^5. Determine the net overlap for each molecular orbital and classify it as bonding, nonbonding, or anti-bonding.
Ozone is an air pollutant produced when nitrogen dioxide, NO2 , from automobile exhaust reactswith oxygen. The chemical equation for this reaction is NO2(g) + o2(g) ---> NO(g) + O3(g).
A silicon water is etched in a Cl2 plasma. A mass flow controller (used to meter the gas flow fed to the reactor) shows a reading of 100 sccm (sccm=standard cm3 per min; standard conditions are 273 K and 1 atm). The etching reactor operates at 100..
Given the following equation: 2 C4H10 + 13 O2 ---> 8 CO2 + 10 H2O, show what the following molar ratios should be.
Balance the equation for this reaction of magnesium and hydrochloric acid using the smallest whole number coefficients
Given that silicon and oxygen form a diatomic molecule of siO, write the orbital (electron) configuration for the molecule
a graduated cylinder contains 129 of water. a 17.0 piece of iron density 7.86 and a 21.0 piece of lead are added.
Question- How much heat (in joules) is absorbed when a 15.5g piece of aluminum (C = 0.902 J/molK) is heated from 23.9oC to 40.2oC
Find the formula of a compound using stoichiometry and ideal gas equation and Deduce from these data the corresponding equation and write formulas for the oxide and sulfate of M .
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