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What is the final ph of, a solution of 30ml of .2 m formate titrated with 25 mL of .24M HCL Kb for formate = 5.6*10^-11
Find the heat transferred (in kJ) when 5.50 L of ethylene glycol (d = 1.11 g/mL, see Table 6.2 for c) in a car radiator cools from 37.7°C to 23.0°C.
What mass of water (in grams) forms from the reaction of 2.49 L of hydrogen gas and 1.92 L of oxygen gas? Both gases are at 738 torr and 27.3 oC
How much potassium oxalate can be added to 158.0 mL of 0.35 M [Cu(NH3)4]Cl2 before a precipitate of CuC2O4 begins to form?
Calculate the freezing point of a solution of 23.4 grams of benzoic acid (C6H5CO2H) dissolved in 613 grams of naphthalene.
An unidentified metal crystallizes in a body-centred cubic lattice with an edge length of 429 pm. The density of the metal is found to be 0.967 g/cm 3 . What is the identity of the metal
Some investigators modified the Cys 278 with iodoacetamide and found that the enzyme activity was abolished as a result. They concluded that the Cys 278 residue was absolutely essential for enzymatic activity. But other investigators modified the ..
Vanadium(III) can reduce nitrate ion (NO3-) to nitrite ion (NO2-), producing VOCl3 also Write the BALANCED chemical equation for this reaction.
what is the concetration of acetic acid and sodium acetate.
How much HCl is produced from the reaction of an excess of HSbCl4 with 3 moles H2S in the following reaction? HSbCl4 + H2S ! Sb2S3 + HCl
calculate delta H1 and delta H2 and heat capacities of the calorimeter plus salt solution.
What is the freezing point of a solution of 8.69 grams of the electrolyte sodium acetate NaCH3COO dissolved in 15 grams of water?
A kitchen pressure cooker operates at 1.50 atm. The Hvap of water is 40.7 kJ/mol. What is the boiling point of water in the pressure cooker
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