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If 46.1 g Zn at 18.0 C is placed in 80.0 g H2O at 75.0 C, what is the final temperature of the mixture? The specific heat capacities of zinc and water are 0.388 J/g·K and 4.184 J/g·K, respectively.
Considering which elements are being oxidized and reduced, determine how many moles of electrons are transferred between the elements being oxidized and reduced
What is the concentration of Ba(OH)2 solution if 22.0 mL of 0.200 M H3PO4 is needed to neutralize
Why would it be more appropriate to put the elements La and Ac in the bottom two periods and put Lu and Lr in the transition metals? Why don't we see the use of any sublevels higher than the f sublevel?
Diphosphorus pentoxide is added to water Hydrogen sulfide gas is bubbled through a solution of silver nitrate
Some chambers used to grow bacteria that thrive on co2 have a gas mixture consisting of 95% co2 and 5% o2 what is the partial pressure of each gas if the total pressure of each gas if the total pressure is 735 mm Hg
A 25.0 mL sample of .200 M HF is titrated with .200 M NaOH. What is the pH at the equivalence point?
Determine the enthalpy for this reaction: \rm 2NaOH (s)+ CO_2 (g) \rightarrow Na_2CO_3 (s) + 2H_2O (l) Express your answer in kilojoules per mole to four significant figures.
Let's assume that your education has led you to rob armored cars. In your latest heist, if you were faced with bags of coins that weighed the same, which bag would you take: pennies, nickels, dimes or quarters
Determine what the mothballs were made of. Pure ethyl alcohol has a boiling point of 78.41 degrees C and Kb = 1.22 deg C/m for this solvent.
Which of the following compounds would produce a single product when treated with Cl2 in the presence of ultraviolet radiation and why A) butane B) 2-methylpropane C) 2,2,-dimethylpropane D) All would produce multiple products
The delta H for the neutralization of NaOH with H2SO4 is -144kj/mol H2SO4. What is the maximum measured temperature in the styrofoam cup
For bipyridine (bipy) determine the maximum number of coordination sites that the ligand can occupy on a single metal ion.
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