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At 500°C and 93.2 kPa, the density of sulphur vapour is 3.71 g L-1. What is the molecular formula for sulphur under these conditions, given that the atomic mass of sulphur is 32.06 g mol-1?
Why must we know both in order to explain the physical properties of the molecule. physical properties to be considered are solubility and the points when the molecule changes states
Calculate the theoretical yield of aspirin to be obtained, starting with 2.0 g of salicylic acid. 2. If 1.8 g of aspirin were obtained in this experiment, what would be the percent yield?
A solution is 0.40 mol % (C6H6) in carbon tetrachloride (CCl4) at 20 degree celcius. the vapor pressure of pure benzene at this temperature is 74.61 mmHg and the vapor pressure of pure carbon tetrachloride is 91.32 mmHg
Write an equation explaining why H2 gas is evolved when HCl is added during the workup. You may abbreviate the NaBH4 as hydride H- (hint hudride is both nucleophilic and basic)
As a demonstration, an instructor had a block of ice suspended between two chairs. She then hung a wire over the block of ice, with weights attached to the ends of the wire.
A 10.60 mL sample of sulfuric acid from an automobile battery requires 34.32 mL of 2.01 M sodium hydroxide solution for complete neutralization. What is the molarity of the sulfuric acid? Sulfuric acid contains two acidic hydrogens.
It is well-known that the farm claims the milk contains the fat level of 2.5%. Does the lab test result assist this claim or not at the confidence level of 95%
triethylene glycol and heavy mineral oil are both high boiling, and high molecule solvents. What in their structural properties renders triethylene glycol
What is the molarity of a 1.304 L solution that is made from 14.80 g of NaCl?Answer in units of M.
What is the molar ratio of initiator (2-methylpropionitrile) MW: 164.21 to sulfuryl chloride MW: 134.97 in the procedure? Why is so little initiator needed relative to the amount of chlorinating agent used
Which element formed, according to the theory of the Big bang, before the first generation of galaxies formed
For the following reaction, 4.91 grams of sodium are mixed with excess water. The reaction yields 5.83 grams of sodium hydroxide.
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