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A piece of silver metal weighing 194.3 g is placed in a graduated cylinder containing 242.0 mL of water. The volume of water is displaced and now reads 260.5 mL. Calculate the density of sliver in g/cm3.
What is the heat change in J associated with 37 g of gaseous methanol at 89 oC changing to liquid at -64 oC?
What is the pressure of a 10g sample of sulfur trioxide in atmospheres at a temperature of 20 degrees Celsius that has a volume of 50L
How many moles of Mg3N2 would be produced when 180.0 g of Mg reacts with 85.0 g of N2.
Calculate change in E, q, w, and change in H and the final temp if the expansion is carried out according to each of the following paths:
Consider a metal atom surrounded by the cube- shaped arrangement of eight ligand atoms (Oh symmetry). 1. Derive the reducible representation for the 8 sigma-bonds.
600.0 mL of 0.240 M perchloric acid, HClO4(aq) was added to a high quality constant-pressure calorimeter containing 400.0 mL of 0.300 M KOH(aq). Both solutions have a density of 1.000 g mL-1 and a specific heat of 4.184 J g-1°C-1.
If the antiacid selected for the analysis is know to contain only milk of magnesia how could this procedure be midified
The reversible conversion of phosphorus pentachloride gas into phosphorus trichloride and chlorine gases has Kc = 2.68 at exactly 340oC. If 8.42mmol PCl5 are placed into a 125ml flask, what will be the partial pressures of each component at equili..
What will be the likely effect of clearing forests and converting them to grasslands and crops on (a) the earth's reflectivity (albedo) and (b) the earth's average surface temperature?
Methane and hydrogen sulfide form when 36g H2 reacts wih carbon disulfide, calculate the percent yield if the actual yield of CH4 is 69.8g.
How long will it take 10.0 mL of neon gas to effuse through a porous barrier if it has been observed that 91.2 minutes are required for 10.0 mL of Cl2 gas to effuse through the same barrier?
An experiment requires 44.0 g of ethylene glycol, a liquid whose density is 1.114 g/mL. Rather than weigh the sample on a balance, a chemist chooses to dispense the liquid using a graduated cylinder. What volume of the liquid should he use?
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