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Rank the following atoms (from smallest to largest) based on which would have the largest second ionization energy? Explain why, in detail (using the concepts of energy levels, shielding, and effective nuclear charge)? (3pts) Rb Cs I Sr
What is the value of Ksp for Ag2SO4 if 5.54 g is soluble in 1.00 L of water?
A piece of copper alloy with a mass of 60.0 g is heated from 21.0 ?C to 44.0?C. In the process, it absorbs 507 J of energy as heat. What is the speci?c heat of this copper alloy.
if 76g of Cr2O3 and 27 g of al completely react to form 51 g of Al2O3 how many grams of Cr are formed?
What would be the percent by mass of NaI solution prepared by dissolving 95 g NaI in 450 g water?
Describe the preparation of 1.5 liters of a 0.1 M acetate buffer, pH 5.0, starting from solid sodium acetate trihydrate
Sulfuric acid (H2SO4) is a very strong diprotic acid. If 0.076 moles of sulfuric acid is mixed with water to make 670 mililiter of solution, what is the molarity of H+?
At a certain temperature the rate of effusion of helium is twice the rate of effusion of a gaseous X.X is a binary combination of carbon and hydrgen.
A gas contains 17% O2, 11% CO2 and 72%N2. It is at 1.013 *105 Pa pressure. Calculate the partial pressure of each component
what is the molar mass of glucose if 22.5g gives a freezing point of -0.930 C when dissolved in 250 g of water?
Calculate the final temperature of 32 mL of ethanol initially at 11 degrees C upon absorption of 562 J of heat.
A student wants to prepare a dilute solution of iron (III) solution, . The student is provided with a stock solution of 0.800 +/- 0.001 M and a 100.00 +/- 0.008 mL volume trick flask since the experiment trquires about 80 mL of the dilute iron (II..
If 125 cal of heat is applied to a 60.0 g piece of copper at 24C, what will the final temperature be? The specific heat of copper is 0.0920cal/(g x C).
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