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In one experiment, 22.9841 grams of 75.25% pure Pb(NO3)2 (pure Pb(NO3)2 has amolar mass of 331.2 grams) was mixed with 51.2354 grams of 81.21% pure CsI (pure CsIhas a molar mass of 259.80992 grams):2CsI(aq) + Pb(NO3)2(aq) 2CsNO3(aq) + PbI2(s). After the reaction, 10.4025 grams of PbI2(s) (molar mass 461.0 grams) were collected. What is the percent yield of the reaction?
Assuming no heat loss by the system, what will be the final temperature when 84 g of water at 10.0oC are mixed with 67 g of water at 50.0oC
How many carbon dioxide molecules are generated by the combustion of one molecule of hexane (C7H14) in ample oxygen?
Consider the case of 10 oscillators and eight quanta of energy. Determine the dominant configuration of energy for this system by identifying energy configurations and calculating the corresponding weights. What is the probability of observing the..
Write and solve balances about the eggs sorter on total eggs and broken eggs. How many "large" eggs leave the plant each minute
What does the angular momentum quantum number determine. Check all that apply. A.) the overall size of an orbital B.) the energy of the electron on the outer shell
a solution of ethanol c2h5oh in water is prepared by dissolving 63.5 ml of ethanol density 0.79 gcm3 in enough water
Determine the point group of each of the three possible geometries of the hypothetical Be3+ on, ten draw the molecular orbitals for each geometry,
Unit Conversions A solution (? = 1.03 g/mL) that is a mixture of water and 5wt% sufuric acid (H2SO4) ?ows through a 45-m long pipe with a 6.0 cm diameter at a rate of 87 L/min. a. What is the molarity (mol/L) of sulfuric acid in the solution?
State the products formed when each of the following are hydrolyzed: starch, sucrose, glyceryl tristearate, and the general products of protein.
When 2 mol of NOCl was heated to 225 C in a 400 L steel reaction vessel the NOCl partially decomposes according to the equation: 2NOCL -----> 2NO + Cl2 the pressure in the vessel after the reaction is 0.246 atm.
Calculate the potential of the following two half- cells that are connected by a salt bridge: a galvanic cell with two platinum electrodes, the one on the left immersed in a solution that is 0.0301 M in Fe3+ and 0.0760M in Fe2+
If 5.00 mL of HCl require 4.73 mL of 0.9581 M NaOH to just consume the HCl, what is the concentration of the HCl.
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