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A gas is initially at a volume of 1L and is then expanded to a volume of 2L. If the pressure remains constant then which one of the following has to be TRUE? The density of the gas doesn't change The temperature of the gas increases The temperature of the gas decreases The mass of the gas decrease
The fat, tripalmitin, when hydrolyzed with aqueous NaOH followed by acidification with HCl yields glycerol and palmitic acid.
Conjugated diene addition reaction, a) When HCl is added to 1,3-butadiene either 3-chloro-1-butene or 1-chloro-2-butene forms. Which product is more stable? Explain.
We prepare a buffer by adding 0.4640 mol HNO3 to 0.5528 L of a solution containing 2.061 M trimethylamine [(CH3)3N, Kb = 6.500x10-5]. What is the pH of this buffer
What is the formula weight of CuI?
A nutritional calorie (Cal) is equal to 1 Kilocalories (Kcal). A package of crackers has 115 nutritional calories
The boiling point of methanol (CH 3 OH) is 64.7 o C and delta H vap = 71.8 kJ/mol. What is delta S for the vaporization of 2.15 mol of CH 3 OH at 64.7 o C?
A sample of diatomic gas has a density of 0.002061g/ml at 1.8 atm pressure and 25.0°C. identify the gas
At 25 degrees C, what are the molar H3O+ and OH- concentrations in (e) 0.200 M NaOCl? (f) 0.0860 M CH3CH2COONa
The mass of the ice cube is 14.6 g, and its initial temperature is -13.1 °C. The water resulting from the melted ice reaches the temperature of your skin, 30.7 °C. How much heat is absorbed by the ice cube and resulting water
How many joules of heat could be produced from a 170 calorie package of crackers
a 2.545g sample contains carbon hydrogen and oxygen. it is subjected to carbon-hydrogen analysis and 3.703g of co2 and
What is the maximum kinetic energy of a photoelectron ejected from cesium by 555 nm light? Note that if the wavelength of the light used to irradiate the cesium surface becomes longer than 660 nm, no photoelectrons are emitted.
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