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In a fully charged lead storage battery, the electrolyte consists of 38% sulfuric acid by mass. The solution has a density of 1.286 g/cm^3. Calculate E for the cell. Assume all the H+ ions come from the first dissociation of H2SO4 which is complete
One cup is equivalent to 237. mL. If 1 cup of oil has a mass of 210. g, what is the density of the oil (in grams per cubic centimeter)?
The temperature of the calormieter increases from 19.7 C to 20.6 C if under constant volume condidions, the heat of combusion of glucose is -2805 kJ/mol
can you find out the name and formula of the unknown compound and determine the identity of the element?
The freezing point of t-butanol is 25.50°C and Kf is 9.1°C · kg/mol. Usually t-butanol absorbs water on exposure to air. If the freezing point of a 10.2 g sample of t-butanol is 24.59°C, how many grams of water are present in the sample?
write a complete and balanced molecular equation and identify the precipitate that forms when aqueous solutions NaOH and Cu(NO3)2 are mixed and identify all phases.
A 10.80-mL sample of sulfuric acid from an automobile battery requires 35.18-mL of 1.62 M sodium hydroxide solution for complete neutralization. What is the molarity of the sulfuric acid? Sulfuric acid contains two acidic hydrogens.
The reaction of fluorine of 7.6 grams with excess chlorine(Cl) produced 3.3 grams of ClF3. Determine the percent yield of ClF 3 was obtained??
Water is composed of 11.2% hydrogen and 88.8% oxygen. What mass of water contains 16.0g of hydrogen?
A by-product of the Witting-Rxn is triphenylphosphine oxide. At what step in the experimental procedure is this compound removed
is believed to follow the mechanism H2O2 + I- ? H2O + IO- fast H2O2 + IO- ? H2O + O2 + I- slow At 25oC, the first step is fast relative to the second step. What is the rate law predicted by this mechanism?
When an ion-selective electrode for X was immersed in 0.0490 M XCl, the measured potential was 0.0470 V. What is the concentration of X when the potential is 0.0620 V?
a sample of argon gas is at a pressure of 1.24 multiplied by 10^4kpa and a temperature of 24 degrees celcius in a rigid 25-L tank. how many moles of argon does the tank contain?
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