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Reaction between copper and silver nitrate2AgNo3 + Cu = 2Ag + Cu(No3)2Beaker-66.88gCopper- 7.44gSilver nitrate- 1.60gWater 75.0g1 What are some of the physical properties of your reactants?
2 What are some of the physical properties of your products?3 What evidence is there that a chemical reaction took place?4 How many moles of copper do you predict will be used up in the reaction? How many grams of copper?5 How does your prediction in question 4 compare to the actual amount of copper used up? How do you explain any discrepancies?6 How many moles of the solid product actually obtained compare to your prediction in question 5? What is your percent yield?
Acetone, the solvent in some nail polish removers, has a density of 0.791 g/mL. What is the volume of 20.4 g of acetone?
the wavelength of the emitted photon corresponds to the difference in energy between the two energy levels. What were the principal quantum numbers of the initial and intermediate excited states involved?
CH3OH(g)-> CO(g) + 2 H2(g) H = +90.7 kJ Calculate E when 335.0 g of CH3OH(g) completely reacts at a constant temperature of 300 K and constant pressure of 0.95 atm. R = 8.314 J/mol*K and R = 0.08206 atm*L/mol*K
find the electronic configuration for ionization energies of magnesium the orbital number in which the electrons are
Calculate the pH of the 0.39M NH3/ 0.73M NH4CL buffer system . B) what is the pH after the addition of 20.0 mL of 0.075M NaOH
Select each of the reactions and observe the reactants taking part in the reactions. Suppose you are carrying out each of these reactions starting with five moles of each reactant. Observe that some reactants are in excess whereas some reactants l..
What is the value of Kc if the extent of dissociation in 0.100M lactic acid is 3.65% at 25 Degree C?
a sample of cadmium with mass 2.248g is dissolved in 3.00M HCl. What volume of HCl is required to dissolve the Cd. (Cd dissolves in HCl to form Cd^2+)
How many grams of NaCl would you add to a beaker before adding distilled water (Q.S.) to make 250 mL of an isotonic solution
a mixture of three gases has a total of 756 mm hg. if the pressure of nitrogen is 612 mm hg and the pressure oxygen if
Mixing 1.0 M BaCl2 + 1.0 M K2SO4 gives what white participate. Write and balance the molecular equation.
Calculate the partial pressure of water above the solution, in torr.The vapor pressure of pure water at 55°C is 118.0 torr. The MW of lactose is342.3 g/mol
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