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The following reactions ZnBr2 (aq) + 2AgNO3 (aq) -->Zn(NO3)2 (aq) + 2AgBr (s) KBr (aq) + AgNo3 (aq) --> AgBr (s) + KNO3 are examples of a. oxidation- reduction reactions b. acid- base reactions c. precipitation reactions d. a and c e. none of these
Calculate the Ka for this weak acid. If 10.00mL of this mixture was then diluted with distilled water to a total volume of 100.00mL, what would be the new solution pH?
Determine molar mass for this compound and oxidation state of lead in it. write the oxide formula of lead for the corresponding oxidation state
Determine the molecular mass and its uncertainty for CH3CH2COOH. Note: Pay attention to significant figures and use the atomic masses given in the table.
A pentapeptide was found to contain the amino acids Phe, Gly, Met, Ala, and Ser. N-Terminal analysis yielded the PTH derivative of alanine. Partial hydrolysis of the pentapeptide yielded the dipeptides
what is the term for a substance that is capable of either accept or donate a proton in as which base reaction?
If 60.0 g of H3PO4 is dissolved in enough water to form 175 mL of solution, what is the molarity (M) of the solution?
how many number of element of unsaturation are implied by the molecular formular C5H5NO2
Powdered coal ( essentially pure C ) is reacted with excess water to make a mixture of CO,CO2 and H2 The reaction is desired reaction ,CO2 is an undesired waste product. This gas mixture from the reactions of coal with water is further reacted ove..
how many moles of C3H8 need to react to release 5280 kJ of energy?
Two weak acids, HA (pKa=3.0) and HB (pKa=5.0) have equal partition coefficients for extraction from water to n-octanol. an aqueous solution with equal concentrations of HA and HB is extracted with n-octanol
Assuming that the gas becomes saturated with benzene vapor and that the total gas volume and temperature remain constant, what is the vapor pressure of the benzene in torr
Explain what a high Ka value of an acid represents and what a low Ka value represents. State and explain the difference between the endpoint and the equivalence point in a titration
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