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lead(II) sulfide was once used in glazing earthenware. It will react with hydrogen peroxide to form lead (ii) sulfate and water. How many grams of hydrogen peroxide are needed to react completely with 265g of lead(ii) sulfide?
how many grams of lithium bromide must be added to 35 grams of water to make a solution
The molar heat capacity of silver is 25.35 J/mol * C. How much energy would it take to raise the temperature of 8.60 g of silver by 11.1 C?
In S8 + 12O2-> 8SO3, if 10 grams of sulfur is used, how many grams of sulfur trioxide are produced?
Phosgene (COCl2) is a toxic substance that forms readily from carbon monoxide and chlorine at elevated temperatures: CO (g)+ Cl2 (g) ? COCl2 (g).
Compute the amount of heat required to boil 92.1 grams of benzene (C6H6), start from a temperature of 42.5 degrees Celsius.
What is the change in the boiling point of a solution made by dissolving 14.7 g of C6H12O6 into 150ml of water? The density of water is 1.00 g/ml and Kb=0.512 C/m .
how many grams of carbon dioxide are produced when 23.5 g of propanal react with excess oxygen in a combustion reaction
Calculate the mass percent of a solution that is prepared by adding 35.9 gram of NaOH to 30.2 g of H2O.
Determine the mass percentage concentration of a sodium hydroxide solution produced by mixing 50.0 mL of a 25 % (density=2.45g/mL) sodium hydroxide solution with 10.0mL of H 2 O?
What is the volume occupied by 25.0 gm of Ar (g) at a temperature of 301K and pressure of 1.30atm.
How many liters of ammonia gas can be formed from the reaction of 150 L of hydrogen gas? Assume that there is complete reaction of hydrogen gas with nitrogen gas and that all measurements are made at the same temperature and pressure.
Why do Br And I interfere with the NO3 test? Explain fully using bromide as an example, including equations. 3. Explain why an excess of Fe2+ is necessary for the NO3 test.
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