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Find out the volume needed to prepare a 7mM concentration of alpha-mercaptoethanol (density= 1.17) in a 1000mL solution.
Suppose that 180 g of ethanol at 26 ? C is mixed with 225 g of ethanol at 83 ? C at constant atmospheric pressure in a thermally insulated vessel.
2C4H10 + 13O2 → 8CO2 + 10H2O A. How many moles of O2 are needed to react with 3.75 moles of C4H10 ? B. How many grams of CO2 result when 85.5g of C4H10 react ?
an automobile gasoine tanks holds 42 kg of gasoline. when the gasoline burns 147 kg of oxygen are consumed and carbon
Compute the pH of a polyprotic acid given as well as sketch the titration curves for the following reactions- A 10.0-mL aliquot of 0.100M Na3AsO4 titrated with 0.100M HCL.
A reaction between methane and hydrogen sulfide to produce carbon disulfide and hydrogen gas was carried out. CH4 (g) + 2 H2S(g) → CS2 (g) + 4 H2 (g)
To perform a FSO2 analysis using the AO method, you discover that you are out of 3% H2O2. There are 30 samples to test. Will 40 ml of 30% H2O2 be enough to get through all the FSO2 samples and why
Solid potassium nitrate is decomposed by heating to give potassium nitrite and oxygen gas. If 1.00g of potassium nitrate is heated, what is the milliliter volume of oxygen gas at STP
One mole of a hydrocarbon whose formula is CnHm is burned in Oxygen at 298K and 1atm pressure. Show that the enthalpy change for this process is given by the equation
The annual production of zinc sulfide (ZnS) is 4.0 x 10^4 tons. Estimate the number of tons of SO2 produced by roasting it to extract zinc metal.
For your cereal sample, you added the same volume of sodium acetate that you added to your standards and solution unknown.
Calculate the value of the rate constant. Pick the choice from below which gives the correct reaction order and value of the rate constant for this reaction.
The mass of the ice cube is 14.6 g, and its initial temperature is -13.1 °C. The water resulting from the melted ice reaches the temperature of your skin, 30.7 °C. How much heat is absorbed by the ice cube and resulting water
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