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The following properties were measured for an unknown hydrocarbon in a lab with an ambient temperature of 28 degrees Celsius and a barometric pressure of 28.9 inches of mercury (1 inch Hg=25.4 torr):
boiling point: 78.2 degrees Celsius
refractive index: 1.3780
mass of 0.200 mL: 0.133 g
Correct the refractive index and boiling point to 20 degrees Celsius and 1 atmosphere and calculate the density of the unknown.
Write an equation for the hydrogenation of glyceryl trilinolenate, a fat formed from glycerol and three linolenic acid molecules.
A balloon is inflated with 0.2494 g of helium to a pressure of 1.26 atm. If the desired volume of the balloon is 1.250 L what must the temperature be in degree celcious
traces of iron and titanium. If the sapphire were found to contain 0.155 g of oxygen, what is the mass of the gemstone?
Consider the following mechanism: NO => N + O O + O3 => 2 O2 O2 + N => NO2 What is the role of O3
the partial pressure of oxygen in air at sea level is 0.21 atm. using the data in table 13.2 together with henrys law
isooctane a fuel used in gasoline engines because it has an antiknock octane rating of 100 has a density of 0.6919 g
What is the volume of 1.31 kg of mercury at 25 C? You can use any reliable reference to look up the density of mercury.
Data for the decomposition of hydrogen peroxide at some set temperature T is provided below. The rate law depends only on the concentration of H2O2
What 2 requirements must be met in order for a molecule to be polar. Note the difference between molecules and bonds.
A 0.5485 g solid mixture have only ferrous chloride hexahydrate and ferrous ammonium sulfate hexahydrate. dissolved in 1M sulphuric acid get oxidized to Fe3+ with hydrogen peroxide, and get precipitated with cupferron.
They help position the reactant molecules to facilitate the reaction. They make electron transfer proceed more rapidly.
For each of the rate laws below, what is the order of the reaction with respect to the hypothetical substances X, Y, and Z? What is the overall order?
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