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Write the Lewis structure and chemical formula of the compound with a molar mass of about 70 g/mol that contains 19.7% nitrogen and 80.3% fluorine by mass, and determine the formal charge of the atoms in this compound.
Is it possible to liquefy nitrogen at room temperature (about 25 °C)? Is it possible to liquefy sulfur dioxide at room temperature? Explain your answers.
Carbon oxide (carbon (II) oxide) can be purified of oxygen impurities by having it react with cobalt (II) oxide. If the impure carbon oxide contains a volume of 1.5% oxygen, and if it reacts with cobalt (II) oxide at 250 °C and 500 kPa.
Which reagents would be used to convert 1-phenylethanol to m-bromobenzoic acid using only 1-2 steps?
Question- A .364g aspin tablet is dissolved in a 250 mL container of water and the resulting solution is determined to have a concentrating of .008M. If the Ka for acetysalicykic acid is 2.7 x 10-5, calculate the pH of the solution.
Write the balanced molecular equation for the reaction that occurs when H2SO4 reacts with NaOH in aqueous solution
Problem- Nitric acid is usually purchased in concentrated form with a 70.3% HNO3 concentration by mass and a density of 1.41 g/mL. How much of the concentrated stock solution in milliliters should you use to make 2.5L of 0.300M HNO3
An unknown amount of water is mixed with 370mL of a 6M solution of NaOH solution. A 75mL sample of the resulting solution is titrated to neutrality with 50.7mL of 6M HCl.
A reaction takes place inside a constant pressure calorimeter. The heat absorbed by the calorimeter is measured to be +15J.
Question- A simple way of raising pH in waste streams is to bubble ammonia gas through the solution. Calculate the TOT NH3 of a solution at pH of 7.9 that has been equilibrated with gas having a partial pressure of NH3(g) in air of 10-2.
When a piece of metal is irradiated with UV radiation (wavelength = 162 nm), electrons are ejected with a kinetic energy of 5.96*10^-19 J. What is the work function of the metal? (in joules)
What properties of soil and its components could be measured to determine whether two soil samples are consistent with having a common origin?
At a certain temperature the following reactions have the constants shown. Calculate the equilibrium constant Keq for the following reaction at that temperature.
Compute G for the reaction when [Ag+] = 1.0 x 10-2 M and [Br-] = 1.0 x 10-3 M. Is the reaction spontaneous or non-spontaneous at these concentrations
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