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What are some reasons we want oxide layers and why cant we rely on oxidation in ambient environments for these layers.?
assume ideal gas behavior.nbsp sns 2 haq rarr sn2aq h2gnbspcompute the work done when 55.0 grams of tin mixes in
a solution containing 0.5000 moles of acetic acid per liter to 400.0 mL of 0.3000 M NaOH. What is the final pH? The Ka of acetic acid is 1.77*10-5.
If the temperature of 150.0g of water increased from 23.3C to 44.8C, how much heat was absorbed.
1.find the ph of a 0.65 m solution of propionic acid. what is the fraction ionized at equilibrium?2. what is the
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
A chocolate caramel pecan piece of candy contains 115 food calories (CaI). If the heat energy contained in the piece of candy were transferred to 53.5 kg of water at 25.0 C, what would be the final temperature of the water? [Specific heat of H2O =..
A solution containing 3.47mM X (analyte) and 1.72 mM S (standard) gave peak areas of 3473 and 10222, respectively, in a chromatographic analysis. Then 1.00ml of 8.47mM S was added to 5.00ml of unknown X, and the mixture was diluted to 10.0ml. This..
A 15.0 g piece of iron (Cp = 25.09 J/mol-C) is heated to a temperature of 47.0 ?C and then placed in contact with a 275 g piece of copper at 20.0 ?C (Cp = 25.46 J/mol-C). What was the final temperature of the two pieces of metal?
Strawberries contain about 15 wt% solids and 85 wt% water.To make strawberry jam, crushed strawberries and sugar are mixed in a 45:55 mass ratio, and the mixture is heated to evaporate water until the residue contains one-third water by mass.
Archeologists can determine the age of artifacts made of wood or bone by measuring the amount of the radioactive slope 14C present in the object. The amount of isolope decreases in a first-ordrr process.
What is the amount of ammonia (as nitrogen) needed to sustain 1 gram/L of cells in an engineered bioreactor b. What is the amount of phosphorus needed to sustain the same concentration of cells in the reactor?
What molecule does a most probable speed of 393 m/s at 25*C? Also calculate the mean speead and root mean square speed.
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