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Describe pH in Lewis terms. Review how to calculate pH if the concentration of an acid -pick one - is known. Choose and apply various acids to the calculation of pH. Please give two examples and the work.
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What is the subshell electron configuration for the Ca20 atom? Which are valence electrons and how many valence electrons are there?
What could a source of error be during a titration lab that is not a humans fault?
Assume that you dissolve 10.2 g of a mixture of NaOH and Ba(OH)2 in 227.0 mL of water and titrate with 1.47M hydrochloric acid. The titration is complete when 107.8 mL of the acid has been added. What is the mass (in gra ...
a) Glucose is a carbonate that your body can burn for fuel. It is 40 percent C and 6.71 percent H by mass. The rest is O. What is the empirical formula of glucose b) The molar mass of glucose os 180.0 g/mol. what is the ...
A student finds that the mass of an object is 6.62 kg. She is told that her measurement has an error of 12.3%. What is the true mass (in kg) of the object?
Calculate volume in milliliters of a 1.96 mol/L calcium bromide solution that contains 275. mmol of calcium bromide CaBr2. Round your answer to 3 significant digits.
If liquid is at or above it's flash point, the flame spread rate is fast, and the entire pool is engulfed within seconds. In such a case, the liquid is already evaporating sufficiently to reach the lower flammability lim ...
As a distributor, Testa Produce doesn't have direct contact with the public. How might the company go about alerting consumers to its "green" initiatives?
Draw the molecule by placing atoms on the grid and connecting them with bonds. Include all lone pairs of electrons. Show the formal charges of all atoms in the correct structure.
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Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate
Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p
Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As
Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int
Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As