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Oil of wintergreen contains methyl salicylate. Elemental analysis of methyl salicylate found 63.15% carbon, 5.30% hydrogen, and 31.55% oxygen. the mass spectrum determined the molecular weight of mehtyl salicylate to be 125.15 g/mol. What is the molecular formula of methyl salicylate?
Please show all work. I'm stuck on creating the empirical formula. I converted the percentages to moles, but when I tried to create an empirical formula, I couldn't get whole numbers for the subscripts.
Liquid dimethyl disulfide (CH3SSCH3) flows through a pipe with a mass flow rate of 29.0 g/s. Given that the density of dimethyl disulfide
What ratio of glucose-6-phosphate to glucose would allow the reverse reaction to begin? Please explain fully so I can understand how to do the problem
55.0 calories of heat are added to a small lead block. If the temperature of the lead increases from 27.0°C to 59.2°C, what must be the mass of the lead block?
Suppose 10.0 g of CH4 is used in a reaction that can theoretically produce 95.8 g of CCl4. What is the percent yield of CCl4 if the reaction produces only 80.0 g of CCl4.
What mass (in grams) of solid KCl would need to be added to 500 grams of water to make an ideal solution with a boiling point
3.5 g of a hydrocarbon fuel is burned in a vessel that contains 250. grams of water initially at 25.00 C. After the combustion,the temperature of the water is 26.55 C.
An oxygen tank contains oxygen at a pressure of 70 kPa. When the pressure drops to 36 kPa, the temperature increases from 300 K to 350 K. If the initial volume is 9 L, what is the final volume?
Consider the following system at 100°C: N2O4(g) ?2NO2(g) Kc = 0.36 Predict the direction in which the system will move to reach equilibrium if we start with 0.20 mole of N2O4
What is the total energy of the photons detected in a period of one hour If a radiation detector is capturing 8 X 10^7 photons per second at this wavelength,?
1119. J of energy, to what volume will the gases expand against a constant pressure of 645. torr if all the energy of combustion is converted into work to push back the piston?
When o.514 g of biphenyl (C12H10) undergoes combustion in a bomb calorimeter, the temperature rises from 25.8 to 29.4 degree Celcius. Find delta energy reaction for the combustion of biphenyl in KJ/mol biphenyl.
what is the corresponding pressure difference between points A and B, in mmHg. At which point (A or B) is the pressure higher, and why? The temperature is 60 °F throughout
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