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Give some examples of how it might be useful to know the melting or boiling points of a substance. Think in terms of both scientific and commercial/industrial settings.
At 46°C a sample of ammonia gas exerts a pressure of 5.3 atm. Explain what is the pressure when the volume of the gas is decrease to one-fifth (0.2) of the original value at the same temperature
Identify the weaker acid in each of the following pairs: a)HNO3 or HCO3^- b)HSO4^- or H2O c)H2SO4 or H2CO3
Compare and contrast nucleophilic addition to a carbonyl under acidic and basic conditions. Why can't a Grignard reaction be achieved under acidic condition? For full points, provide mechanism for nucleophilic addition under both basic and acidic ..
Describe the characteristic IR absorption frequencies in cm -1 that would allow you to distinguish between the following pair of compounds.
solid sodium react violently with water producing heat hydrogen gas and sodium hydroxide. how many molecules of
Which gas has molecules with the greatest average molecular speed at 25°C. A) CH4 B) Kr C) N2 D) CO2 E) Ar
Write a net ionic equation for the overall reaction that occurs when aqueous solutions of carbonic acid and sodium hydroxide are combined. Assume excess base.
A rectangular beam made using concrete with f'c = 6000 psi and steel with fy=60000 psi has a width b= 20 in. The concrete modulus of rupture fr=530 psi. The elastic moduli of the concrete and steel are, respectively,
Why is the boiling point of a cyclohexene and water mixture less than 83 degrees, the boiling point of cyclohexene
A 300.0cm^3 sample of the solution is then treated with excess HNO3 and boiled to remove all the dissolved gas. A total of 0.955 L of dry CO2 is collected at 298 K and 0.972 atm.
A 0.1752g sample of silver nitrate was dissolved in 502.3g of distilled water. Calculate the weight molarity of silver in this solution.
Determine the total work produced during this process.
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