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what is the hydrogen ion concetration of a solution that has a pH of 4.7
a) 2 x 10^ -5 Mb) 1 x 10^ -4 Mc) 4Md) 9.3 M
Calculate the amount of heat required to completely sublime 61.0 g of solid dry ice CO2 at its sublimation temperature. The heat of sublimation for carbon dioxide is 32.3 {kJ}/{mol}.
If 10.00 mL of 0.250 M NaOH solution is added to 100.00 mL of the above original buffer solution (described in part 1 of this problem), what is the new pH of the solution?
Explain the efffect of temperature on the solubility of gases in liquid? What effect does pressure have on the solubility of gases in liquid( Henry's Law)?
chemical potential energy from rotating turbines into thermal energy. B) electrostatic energy from rotating turbines into chemical energy
If the pressure of chloroform vapor in a flask is 154 mm Hg at 25.0°C, and the density of the vapor is 1.25 g/L, what is the molar mass of chloroform?
If you a litre (1000mL) bottle of oil in your engine, how much heat is produced in kcal?In BTU To solve this problem you must know the density of motor oil is .82 g/mL.
If a 200 piece of gold (density =19.32 ) is hammered into a sheet measuring 2.5 by 1.0 ft , what is the average thickness of the sheet in meters?
How much heat is required to convert 25.0g of ethanol at 25 degrees C to the vapor phase at 78 degrees C?
A student found that her mixture was 15% NH4Cl and 75% SiO2 .Assuming her calculation are correct, what did she most likely do incorrect in her experiment?
If the titrant has a molarity of 0.2750 M and there are 5.00 mL of analyte present, what is the molarity of the analyte
How would you expect a titration curve of both the solutions and what will happen if HCl is added to the H 2 O and sodium acetate buffer ?
how many moles of glucose C6H12O6 can be burned biologically when 10.0 mole of oxygen is available
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