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(TCOs 2,4, 5, and 8) Write a program to input a purchase amount and calculate the sales tax and total due. The sales tax depends on the county identifying code. Counties with a number less than 20 have a 5% sales tax. The 21-35 codes have a sales tax of 6%. Codes above 35 have a sales tax of 7%. The purchase amount and county code are entered by the user. Use a loop to validate that the county code is between 10 and 40. Display the amount of the sales tax and the total.
A student dissolves 0.2975 g of the unknown weak acid to give 100. mL solution. S/he obtains the following titration curve for his/her best titration. At the equivalence point, 19.0 mL of 0.1000 M NaOH was added.
How much faster do ammonia (NH3) molecules effuse than carbon monoxide (CO) molecules? Enter the ratio of the rates of effusion.
Explain which of the compounds have just bonding pairs of electrons as well as around the central atom. Explain which have a single nonbonding pair of electrons around the central atom
Explain why gasoline will not dissolve in water
Deduce the structure of each alcohol (Structure of A and structure of B)
A ballon is filled with H2 gas and has a pressure of 1.10 atm, volume of 10.2L, and a temp of 298 K. How many grams of H2 gas are in the sample
What pH is required to start precipitation of Fe(OH)3 from a 0.110 M solution of FeCl3? Ksp of Fe(OH)3 = 4.0 10-29.
5-dihydropentalene reacts with two equivalents of butyllithium to form dianion of (C8H6)2-. intend a structure for this dianion and suggest why it form so readily
you have 2.50 ml of 4.00 M sugar solution. You add 217.3 ml of water to this solution. determine the concentration of the sugar solution after the water has been added.
A 8.90g sample of lead nitrate was heated in an open container to cause decomposition. Calculate the theoretical yield of PbO in grams.
Hydrangeas are flowers that retain blue coloration when grown in acidic soil and pink when grown in neutral or alkaline soil
A 0.468 mol of O2 gas has a volume of 11.5 L at a certain temperature and pressure. If all this O2 were converted to ozone (O3) at the same temperature and pressure, what would be the volume of the ozone. 3O2?2O3
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