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The molar heat of neutralization from hydrochloric acid and sodium hydroxide is -57.3 kJ/mol. Use the accepted value to predict the heat evolved during the neutralization of 655mL of 1.00M hydrochloric acid by 1.00M sodium hydroxide.
Assuming the solution has a heat capacity of 4.18 J/°C·g and assuming no heat loss to the calorimeter, calculate the enthalpy change for the dissolution of NH4NO3 in units of kJ/mol.
how many moles of N atoms are there in .882 moles of (NH2)2CO?
write an equation that represents the reaction of 2% ethanolic PBP solution with 4- methlycyclohexene and name
Calculate the molarity of a NaOH solution if 34.17 mL of the NaOH solution were required to titrate 0.6321 g of KHP. KHP (204.23 g/mole) is the shorthand (not the chemical formula) for the primary standard potassium hydrogen phthalate
You decide to use gel filtration. This works brilliantly and you determine that your protein is 80kDa at the same time. But wait! The gene that corresponds to HMD predicts a protein of only 38kDa. What are two potential causes of this discrepancy?
Molecular chlorine and molecular fluorine combine to form a gaseous product. Under the same conditions of temperature and pressure it is found that the volume of Cl2 reacts with three volumes F2 to yield two volumes of the product.
when sulfuric acid is a component of polluted air it chemically attacks statues memorials and monuments made from
Calculate the net charge of Aspartic Acid. Its given that Aspartic acid has a pK1 COOH at 1.99 and also a pK2 NH3 group at 9.90
An electrical heater delivers 7.880 kJ of energy (as heat) to a system consisting of the gas inside a cylinder having a movable piston. As a result, the piston moves against a constant external pressure such
An analysis of her diet reveals an average daily intake of 80 grams of fat, 200 grams of carbohydrate, and 50 grams of protein. Calculate average daily kcalorie intake.
The sulfur and hydrogen in the fuel are completed oxidized to SO2 and H2O. 8% of the carbon is oxidized to CO, and the balance forms CO2. Calculate the dry basis mole fractions of the flue gas
The volume of a sample of gas (2.49 g) was 752 mL at 1.98 atm and 62 degrees Celsius. the gas is? SO2, SO3, NH3, NO2, or Ne
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