Determining the ph of solution
A solution is prepaired by mixing 90.0 mL of 5.00 M HCl adn 30.0 mL of 8.00 M HNO3. Water is then added until the final volume is 1.00 L. Calculate [H+], [OH-], and the pH of this solution.
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a) How many grams of CO2 are in the ?ask (described in part b)? b) Why do we measure the volume of the ?ask with water rather than using the volume listed on the side? c) Why is the ?ask not ?rmly stoppered during sublimation?
The end of a large tubular workpart is to be faced on a NC vertical boring mill. The part has an outside diameter = 45.0 in and inside diameter = 25 in.
Using the Internet, a magazine, or a list of memory modules, determine the exact part numbers and quantities of memory modules that you would buy. List them with the location of where you obtained the information.Based on your Internet research,
Methyl-1-hexanol (A) was reacted with NaBr/H2SO4 to give (B), which upon treatment with magnesium in diethyl ether formed an intermediate. Why is anhydrous ether used in this reaction?
There is a way for natural gas fuel cells to be considered a low-carbon energy source, but they have to get their fuel from a specific source. What is that source, and why does that qualify as a low-carbon source of energy?
A circular specimen of MgO is loaded using a three point bending mode. Compute the minimum possible radius of the specimen without fracture, given that the applied load is 5560N, the flexural strength is 165 MPa. and the separation between
One question: During each cycle, the velocity v (in mm/s) of a piston is v = 6t - 6t^2, where t is the time (in sec). Find the displacement s of the piston after 0.75 sec if the initial displacement is zero.
Consider 25.0 g of water at 21.7°C that are mixed with 25.0 g of water at 43.3°C in a foam cup calorimeter. The equilibrium temperature reached was 30.4°C. Calculate the calorimeter constant in J/°C.
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