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How do you solve a chemistry problem like this: equal volumes of neon and another noble gas mixed together at STP. The density of the sample is measured at 2.30g/L. Determine the mass of one mole of the mixture and identify the other noble gas.
What wold you prodict for the relative reactivity of 4-trifluoromehylbenzaldehyde in this aldol condensation reaction. Explain. (Compare to benzaldehyde, 4-methylbenzaldehyde, 4-methoxybenzaldehyde, 4-chlorobenzaldehyde, and 2-nitrobenzaldehyde.
Problem- How do I calculate the Rf values from TLC if there are three spots from the crude product and one from the pure product? Justify your calculation. No word count
A 0.479 g sample of nitrogen, oxygen or neon gas occupies a volume of 265 mL at 157 kPa and 20?C. What is the molar mass and identity of the gas
the pain reliever phenacetin is soluble in cold water to the extent of 1.0 g 1310 ml and soluble in diethyl ether to
What is the mass of H2O (g) present when equilibrium is established. Vapor pressure of water at 27 C is 26.7 mmHg.
Calculate the concentration of permanganate when 1g of potassium permanganate is dissolved in 50ml of water.
Predict the likely mode of decay for the following isotopes used as imaging agents in nuclear medicine (choose all likely modes od decay- can have multiple answers for each and may be used multiple times):
A 81 L sample of dry air cools from 145C to -22C while the pressure is maintained at 2.85 atm. What is the final volume?
Calculate the mass of methane that must be burned to provide enough heat to convert 151.0 g of water at 43.0°C into steam at 124.0°C.
Which of the following will give the largest increase in boiling point when added to 1 kg of water. 1 mol Co(NO3)2, 2 mol KCl, 3 mol C2H6O2, and why
Question- A 15.0g sample of granite initially at 86.0?C is immersed into 22.0g of water initially at 25.0?C. What is the final temperature of both substances when they reach thermal equilibrium? (For water, Cs=4.18J/g?C and for granite, Cs=0.790J/..
What is the percent yield of CaO in the reaction CaCO3 yield CaO + CO2 if 5.33 g of CaO are obtained when 10.0 g of CaCO3 are used?
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