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How many grams of silver nitrate does it take to react completely with 7 mol Cu?
Cu + 2AgNO3 ---> Cu(NO3)2 + 2Ag
What mass of Ag2 is produced from a mixture of 2g Ag and 2g S8?
28.2 g PI2 is obtained from 48 g I2 excess phosphorus. What is the percent yield? 2P + 3I2 ---> 2PI3
Manganese forms the following oxide minerals: manganite (MnOOH), manganosite (MnO), pryolusite (MnO2), and hausmannite (Mn3O4).
adding the two portions of water into your calorimeter the temperature of the mixed portions of water to be 45 oC. determine the heat capacity of the calorimeter?
What time will it take 10.0 mL of Chlorine gas to effuse through a porous barrier when it has been noticed that 76.3 min are needed for 10.0 mL of Hydrochloric acid gas to effuse through the same barrier.
A solution contains 0.10 mol/L of a diprotic acid. The diprotic acid has the following pKa values: pK1 = 5.00 pK2 = 7.05 What is the isoioni point of this acid?
How much limestone in kg is need to completely neutralize a lake containing -- of H2 per liter? 5.0 * 10-3g SO4 5.2 * 10^9-L.
The equation for the combustion of acetone is: 2 C3H6O + 8 O2 ---> 6 H2O + 6 CO2 + 852.6 kcal How much heat will be given off if 0.87 mol of acetone is completely burned?
Identify the species oxidized, the species reduced, the oxidizing agent and the reducing agent in the following electron transfer reaction.
How many mole of hydrogen gas can be liberated from 85.5 moles of magnesium hydride if the process operates at 80% efficiency
A 97 gram solution of silver nitrate contains 14 grams of AgNO3. What is the percent by mass of silver nitrate in this solution?
Caffeine is made up of 49.5% C, 5.2% H, 16.5%O, and 28.9% N. A solution made up of 8.25g of caffeine and 100.0 of benzene (d=0.887g/ml) freezes at 3.03C.
Fluorine reacts with oxygen to yield oxygen difluoride. 2 F2(g) + O2(g) 2 OF2(g) What is the value of K if the following concentrations are found at equilibrium: [O2] = 0.200 mol/L, [F2] = 0.0100 mol/L, and [OF2] = 0.0633 mol/L.
What each test reveals about an unknown halide ion? Suggest another test which would confirm that identity. 1.Addition of Cl2 and CH2Cl2 to an aqueous solution of an unknown halide ion led to a dark CH2Cl2 layer.
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