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Problem- Looking in Appendix E, suggest what metal the underground pipes could be made from in order for magnesium to be successful as a sacrificial anode.
Illustrate structures to prove your interpretation.
solid aluminum reacts with chlorine gas to produce solid aluminum chloride. if 2.70 grams of aluminum and 4.05 grams
Calculate the volume of a sample of carbon monoxide at -23°C and 289 torr if it occupies 3.65 L at 298 K and 732 torr
What is the solubility of lead fluoride in a solution of 0.050 M of sodium fluoride?
calculate the pH of 50 ml of .15 M HCHO2 with 75 mL of .13 M NaCHO2
Working with ideal gas law, The pressure of a sample of gas at a constant temperature of 25 degrees C is increased from 1.0atm to 1.3atm
1) How many moles of oxygen atoms are present in a sample that contains 3.86 moles of dioxygen difluoride O2F2? The answer I got from this was: 7.72 moles of O2 atoms?
Suppose you are trying to dope the semi-conductor Ge so that it will be an n-type semi-conductor. Which of the following elements would be a suitable dopant
A) How many O2 molecules are needed to react with 6.09 of S? B) What is the theoretical yield of SO3 produced by the quantities described in Part A?
Calculate the volume of the NaOH solution needed to completely neutralize the acid in the flask. Calculate the pH for a, the initial acid solution in the flask
Calculate the pH at 25°C of an aqueous solution that is 0.320 M in ethylamine and 0.140 M in ammonia (i.e. the solution contains both compounds). The pKa of the conjugate acid of ethylamine is 10.65 and the pKa of the conjugate acid of ammonia is ..
given composition of air n2 78.09o2 20.94 ar 0.93a calculate the of molecules of n2 ofo2 and of ar in 1.00 l of air
Find the molecular, ionic, and net ionic equations for the following. Underline all solids. If no reaction occurs, complete the molecular and ionic equations, but wrtie "no reaction" in place of the net ionic equation.
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