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When 1.0 mol of Fe is consumed in the reaction 3Fe + 2O2 - Fe3O4, how many mol of Fe3O4 are produced?
Hydrogen bonding does not make a significantly large contribution to the overall stability of the DNA molecule. Explain
Non-stretch fabric means the pressure inside the balloon equals the outside pressure at all times. Assume the temperature of the helium equals the outside air temperature. Take air to be (20 mol % oxygen, 80 mol % nitrogen). What mass of helium wa..
Use standard heat of formation data to calculate the heat released per gram of B2H6 when burned with O2(g) to afford boric acid (H2BO3 (s)).
Which of the following compounds will dissolve in (by reaction with) hydrochloric acid and will also dissolve in (by reaction with) an excess of 6 M NaOH solution
Suppose you had started with 3.25 moles of sodium hydrogen carbonate,how many moles of sodium chloride would you expect to be formed?
What is the pH of the resulting solution if 30.00 mL of 0.10 M acetic acid is added to 10.00 mL of 0.10 M NaOH. Assume that the volumes of the solutions are additive. Ka = 1.8 x 10-5 for CH3CO2H.
Referring to Table 17.1, calculate the mole fraction of Xe and its concentration in parts per million by volume.
Assuming the final concentration of chloride anion after the addition of hcl (precipitation step) was 0.1M what is the remaining concentration of Ag in the solution
A layer of chromium is electroplated on an automobile bumper by passing a constant current of 200.0A through a cell that contains Cr3+(aq). Calculate the number of minutes needed to deposit 125g of chromium.
The solubility of I2 (s) in .100 M KI solution at 25 degrees celcius is .05135 moles per liter. The .1 M NaN03 provides the same ionic environment as .1 M KI. From this information calculate the concentration of I3-, I-, I2 in the latter solution ..
If 1.0 atm H2S (g) are added to a 1.0 L flask containing an excess of I2 (s), what will be the equilibrium pressure of HI?
the activation energy for a particular reaction is 95 kjmol. by what factor will the rate constant increase when the
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