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50.0mL of rhubarb juice are titrated with 0.1000 M NaOH and 34.8mL of this NaOH solution are needed for neutralization. Assuming the acidity of the juice is due to oxalic acid (a di-protic acid), H2C2O4 (90.04g/mol), find out the weight of oxalic acid (in grams) per liter of juice
Consider the gaseous reaction COCl2(g) CO(g) + Cl2(g) . What is the expression for Kp in terms of Kc
Calculate the ?H value for an isobaric (constant pressure) change of steam from 120 psia and 500 oF to saturated liquid.
If you have 300.0 mL of water at 25.00 degrees C and add 130.00 mL of water at 95.00 degrees C, what is the final temperature of the mixture? Use 1.00 g/mL as the density of water.
a 5.00-ml aliquot of a solution that contains 2.79 ppmfe2 is treated with an appropriate excess of thiocyanate and
enough of a monoprotic acid is dissolved in water to produce a 0.0170 m solution. the ph of the resulting solution is
Assume that the solution has a total mass of 350. g and a specific heat capacity of 4.184 J/g°C. The enthalpy of neutralization for the reaction is -62.0 kJ/mol of water produced.
Explain what is the pH of 355.0mL of an aqueous solution containing 0.607 g of the strong acid trifluoromethane sulfuric acid(CF3SO3H)
A weak monoprotic acid is titrated with NaOH and the following data is recorded. Calculate the molar mass of the weak acid.
A 21.8 g sample of ethanol (C2H5OH) is burned in a bomb calorimeter, according to the following reaction. If the temperature rises from 25.0°C to 62.3°C, determine the heat capacity of the calorimeter. The molar mass of ethanol is 46.07 g/mol.
However, a water transporter was discovered in 1992 and it was named aquaporin. Aquaporin is a single subunit protein that is barrel-shaped and open to both sides of the membrane
The difference between the energy of the products and the energy of the reactants D. Undefined because it depends on whether the reaction is endothermic or exothermic
Predict what you would expect to observe when each of the following substances is mixed with NaI/acetone. Would you expect a difference in their relative rates of reaction? Explain.
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