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An Erlenmeyer flask weighs 148.8 g when empty. When filled with water (d = 1.00 g/cm^3), the flask and its contents weigh 346.3 g.
(a) What is the flask's volume?=197.5 cm^3
(b) How much does the flask weigh when filled with chloroform (d = 1.48 g/cm^3)?=?
Compare and contrast diethyl ether as a general anesthetic to the modern gaseous ther general anesthetics used today. What are the benefits
A water chemist obtained a 250-mL sample from a nearby lake and fixed the oxygen on-site wth alkaline solutions of MnS04 and Kl-NaN3-. returning to the labrotary, a 200-mL sample was analyzed by acidifying the sample
Ethene burns in air according to C2H4 + 3O2 = 2CO2 + 2H2O. What is the theoretical yield of CO2 when 1.62 g of C2H4 are reacted with 2.42 g of O2
Predict what a plot of temperature versus the volume of distillate will look like for the simple distillation and the fractional distillation of
Write the net ionic equation for the following reactions: a. The precipitation of manganese (II) hydroxide b. The reaction that occurs when sodium fluoride is added to a solution containing iron
What if you were designing an engine for a SUV that produced 2.40 × 102 L/s of exhaust with a CO content of 1.9 mg CO per 1L of exhaust? What volume of catalytic matrix would you need to reduce the CO emission in this automobile?
The gaseous product of a reaction is collected in a 25.0 L contained at 27 degrees Celsius. The pressure in the container is 216 kPa, and the gas has a mass of 96.0g. What is the molar mass of the gas?
Calculate the pH of each of the following solutions. (a) 0.500 M HONH2 (Kb = 1.1 10-8) (b) 0.500 M HONH3Cl
Concrete used in road construction is reinforced using steel bars in a grid, known collectively as "rebar." After many years, rebar will begin to corrode, and the concrete will weaken.
multiply this new K value for reaction 3 by the k value for reaction 2 to "add" the k values together in order to determine the K value of reaction 1.. From the K value of reaction 1, i converted it to E standard. would this be the correct way to ..
if a sample of the compound contains 9.41x10^21 lithium ions, how many oxide ions does it contain? show units, show work and answer in scientific notation.
In the purification of a mixture, what determines whether you use extraction or recrystallization as the initial procedure
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