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What is the correct charge balance equation for an aqueous solution of MnCl2 that ionizes to Mn2 , Cl-, MnCl , and MnOH.
Stearic acid is made by hydrolyzing fat from cattle. The fat, tallow, is predominately glycerin tristearate (formula C57 H110 O6 molecular weight 891.4g/mol)
Just transfer this solution completely to a flask of 1L volumetric and dilute to exactly 1 liter and then compute the Fe 2+ ion concentration.
Describe and explain the possible effect on your results of the following experimental errors or variations. In each case specify the component(s) whose percentage(s) would be too high or too low.
How many litres of NO are produced at STP when 162 g Ag reacts with excess HNO3
calculate the volume of O2 the bottle could deliver to a climber at an altitude where the temp is -38 C and the atmospheric pressure is 0.40 atm.
How much heat is required to warm 223 g of ice from -44.3°C to 0.0°C, melt the ice, warm the water from 0.0°C to 100.0°C, boil the water, and heat the steam to 173.0°C?
A calibration curve for absorbance versus the concentration of the chemical indicator crystal violet is found to have a slope of 19. If a sample of unknown concentration has an absorbance of 1.32
Predict the products and show the reaction mechanism for the acid catalyzed Fischer esterification reaction between ethanol and acetic acid (CH3CO2H)
which is limiting reagent when 42.0g of propane , C3H8, is burned with 115g of oxygen ? how many liters gaseous water are produced at STP
Find the temperature at which Kp=41.0 for the reaction H2(g)+I2(g) 2HI(g). [Given: at 25 degrees C, for H2(g), deltaH degrees F=0, S degrees=131.0 J/mol*K; for I2(g)
Write the chemical equation(s), including state symbols, for what happens when each soluble ionic compound that you identified above is placed in water. Are these substances reacting with water when they are added to water?
he initial rate of reaction of H2O2 -- H2O + 1/2O2 is found to be 1.7*10^-3 M S^-1. Assume that this rate holds for 2 minutes. Start with 165ml of 1.60M H2O2 at t=0. How many milliliters of O2 measured at 24C and 757mmHg
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