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Suppose that a fully charged lead-acid battery contains 1.50 of 5.00. What will be the concentration of in the battery after 3.40 of current is drawn from the battery for 4.50? Express the molar concentration numerically.
Calculate the partial pressure of ozone and the number of ozone molecules per liter of air if the temperature and pressure were 20.0 °C and 758 mmHg, respectively.
Calculate K for 2 NO(g) + O2(g) 2 NO2(g) from the observation that when equilibrium is established at 500 K, there are 0.190 moles NO2, 2.65 X 10-4 moles NO, and 0.606 moles O2 in a volume of 0.759 liters.
A weak acid, HA, has a Ka value of 3.86 x 10-9. What is the Kb of A-. Use E notation and 3 significant figures.
Write the structural formula for each of the following compounds.
An object made of aluminum has a mass of 8.37g. When it was placed in a graduated cylinder containing 20.0mL of water, the water level rose to 23.1mL. Calculate the density and specific gravity of the object.
Consider the oxidation of sodium metal to sodium oxide described by the balanced equation
how many moles of nitrogen are in 5.3 L container at 1.25 atm and a temp of 85 degrees C.
The Ksp of cadmium hydroxide, Cd(OH)2, is 7.20 × 10-15. Calculate the molar solubility of this compound.
Predict the order of polymer molecular weight obtainable (highest to lowest) by the free radical solution polymerization of styrene in benzene, toluene, ethylbenzene, i-propylbenzene, and t-butylbenzene
which of the water samples that you tested had the highest calcium concentration? does this correlate with the total dissolved solids results you obtained
Arrange the following solutions in order of decreasing freezing point: 0.20 m Fe(OH)2, 0.15 m C6H12O6, 0.10 m K3PO4, 0.15 m CH3CH2COOH, 0.35 m LiI.
The heat energy required to melt 1.00 g of ice at 0 degrees C is 333J. If one ice cube has a mass of 62.0 g, and a tray contains 16 ice cubes, what quantity of energy is required to melt a tray of ice cubes to form liquid water at 0 degrees C
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