Calculating the ph of a solution
Calculate the pH of a solution made by adding 18 g of sodium acetate, NaCH3COO, to 20. g of acetic acid, CH3COOH, and dissolving in water to make 100. mL of solution.
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A single-turn square loop of wire, 2.00 cm on each edge, carries a clockwise current of 0.200 A. The loop is inside a solenoid, with the plane of the loop perpendicular to the magnetic field of the solenoid.The solenoid has 30 turns/cm and carries
Explain the main concept behind the VSEPR theory of molecular shape. How do both number and type of electron pairs influence the shape of a molecule?
A point electric charge of 8Nc in kept at a distance of 1m from another point charge of -4Nc in free space. determine the location of a point along the line joining two charges where in the eletric field intensisty in zero
At a particular temperature and [A]0 = 2.00 x 10-2 concentration versus time data were collected for this reaction. Calculate the half-life for this reaction.
Find the mass of sodium required to profuce 5.68 L of hydrogen gas at STP from the reaction described bu the following equation: 2Na + 2H2O → 2NaOH + H2.
Create a circuit of three level-sensitive D latches connected in series (the output of one is connected to the input of the next). Use a timing diagram to show how a clock with a long high-time can cause the value at the input of the first D
How many moles of Na3C6H5O7 can be produced if one tablet containing 0.0119 mol of NaHCO3 is dissolved?
Compute the maximum acceptable tensile load Pu, on an angle L6x4x3/4 when connected to both legs. The 4 in. leg contains a single gage line of 7/8in. diameter bolts, and the 6in. leg contains a double gage line of 7/8in.
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