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The aromatic hydrocarbon cymene (C10H14) is found in nearly 100 spices and fragrances including coriander, anise, and thyme. The complete combustion of 1.608 g of cymene in a bomb calorimeter (C(calorimeter)=3.640 kJ/degrees celsius) produced an increase in temperature of 19.35 degrees celsius. Calculate the molar enthalpy of combustion of cymene in kilojoules per mole of cymene.
calculate the minimum volume in litres of aqueous sodium hypochlorite solution 12.5 12.5g100ml that would be needed to
An aqueous solution of sodium hydroxide is labeled .010 M NaOH. What are the molar concentrations of NaOH, Na+ and OH- in the aqueous solution?
helium-oxygen mixtures are used by divers to avoid the bends and are used in medicine to treat ailments. what percent
A 0.050 M H2S solution contains 0.29 M NiCl2 and 0.35 M Hg(NO3)2. What pH is required to precipitate the maximum amount of HgS but none of the NiS. Ksp for NiS is 8*10^-48
Determine how much energy will be required to heat 69.7 gal of H 2 O from 22 degree Celsius to 110 degree Celsius if it is given that 1.00 gal weighs 3.77 kg and water has a specific heat capacity =4.184 J/g C
Generally speaking, as you go across a period in the periodic table, the effective nuclear charge (Zeff) increases because each successive element contains more protons in the nucleus than the previous element and the outer electrons are all in th..
you add 1.00 g of a solid weak acid to 100 ml of water then titrate with 0.100 m naoh solution. the ph at the half
solution containing 1.543g Cu(NO3)2 to reduce any copper ions present. What mass of copper was reduced in this process?
the corresponding sound. If you are 480.0 m from the explosion and the speed of sound is 340 m/s, calculate the distance traveled by the light during the brief delay required for the sound to reach
Suggest a chemical test that would allow you to distinguish between tert-butyl alcohol and 1 butanol, both of which give a positive ceric nitrate test?
2 naoh h2so4 --gt 2h2o na2so4how many grams of sodium sulfate will be formed if you start with 200grams of sodium
30.3 g of chromium(III) oxide reacts with 10.8 g of aluminum to produce chromium and aluminum oxide. If 20.7 g of chromium is produced, what mass of aluminum oxide is produced?
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