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A liquid has a heat of vaporization of 30400 J/mol. At 271 K it has a vapor pressure of 102 mmHg. What is the normal boiling point of this liquid?
A) 213 KB) 242 KC) 308 KD) 373 KE) 271 K
If 84 g of CO reacts to produce 63 g of CH3OH, What is the percent yield of CH3OH?Answer in units of % ?
Determine the total number of moles of solid sodium hydroxide required to react with 844.00mL of 0.8700M phosphoric acid (H3PO4)
If a single pill contains 0.150 grams of KCN How much HCl in grams would be necessary to consume all of the KCN
What is the theoretical yield of vanadium that can be produced by the reaction of 40.0 g of V2O5 with 40.0 g of calcium based on the following chemical reaction?
What is the maximum number of distinct spectral lines (lines of different wavelengths) that can be observed from this system? Calculate the wavelength of each of these lines and sketch the observed spectrum
what is the maximum [ATP]/[ADP][Pi] ratio compatible with ATP synthesis assuming that the number of protons trans-located per ATP formed is 2, the temperature is 25C and the change of pH is 0.75?
Find the pH and volume (mL) of 0.367 M HNO3 neded to reach the equivalence point(s) in titrations of
Cholesterol in blood is measured in milligrams of cholesterol per deciliter of blood. Hospital blood banks normally store blood in samples of 500 milliliter polyethylene bags.
The delta G for the reaction is 2.60 kj/mol at 25 degrees C. The initial pressures are P H2 = 3.34 atm, P I2 = 0.024 atm and P HI = 0.24 atm.
calculate the mass in grams for a gold sample that absorbs 210 j to change its temperature from 13.0 c to 53.0
A 4.80 g nugget of pure gold absorbed 298 J of heat. What was the final temperature of the gold if the initial temperature was 24.0°C? The specific heat of gold is 0.129 J/(g·°C).
Thin-layer chromatography - Explain how you should apply a spot of compound to the TLC plate in order to get the best results. How do you know if you have overloaded your TLC plate? Why is this a problem
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