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Calculate the heat capacity of a calorimeter if the combustion of 4.664 g of benzoic acid led to an increase in temperature of 7.146 degrees Celsius.
Provide three balanced chemical equations that will precipitate Pb2+ from a solution. Exclude substances containing chloride or chromate ions
Calculate the molar solubility of iron sulfide in a solution that is saturated with hydrosulfuric acid, H2S ( [H2S] = 0.1 M) and has a pH of 2.0. Ka1 = 8.9 x 10^-8 and Ka2 = 1.2 x 10^-13.
Use ICE table and henderson-hasselbach equation to calculate pH of BUFFER A after your particular volume of acid was added to achieve pH change of 1.0.
However, when 5 drops of 0.10 M HCL(aq) is added to 20 drops of a buffer solution that is 0.10 M CH3COOh(aq) and 0.10 M CH3Co2- only a very small change in pH occurs. Explain?
producing a mixture of CO and CO2. The total pressure is 0.640 atm. What is the partial pressure of CO?
A 10 liter sample of oxygen 0.0°C and 15 cm. pressure is subjected to 150 cm. pressure at the same temperature. What is the new volume of the oxygen?
What are the rules of giving the IUPAC name and the common name of Aromatic Hydrocarbons with 1, 2 and 3 substituent
What is the theoretical yield of aspirin if 167 kg of salicylic acid is allowed to react with 123 kg of acetic anhydride?
Sulfate becomes bound to four Al(CH3)3 fragments in the dianion [Al4(CH3)12SO4]^-2. Using the bond angles and lengths as a guide decide if the Al(CH3)3 groups alter the SO4^2- group significantly upon formation of the [Al4(CH3)12SO4]^-2 product. E..
You are going to a birthday party and you want to give the children balloons filled with He gas. How many balloons can you fill to a volume of 2 liters if the internal gas pressure of the tank
What is methanol's vapor pressure It boils at 65.0 °C and has a heat of vaporization ΔHvap = 37.4 kJ/mol. at 22.0 °C?
Normal blood contains 3 mEq/L of Mg2+. How many milligrams of Mg2+ are present in 150.0 mL of blood
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