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A 1.0 ounce piece of chocolate contains 15mg of caffeine, and a 6.0 ounce cup of regular coffee contains 105mg of caffeine. How much chocolate would you have to consume to get as much caffeine as you would from 2.0 cups of coffee.
solution contains fecl3 0.015 m and naoh 0.010 m. solution of fecl3aq 3naohaq -gt feoh3s 3naclaq gives precipitate
Chlorination via radical halogenation is a very unselective process and can lead to the formation of all three of the below products. Estimate the relative percentages of each product that will be formed using this means of halogenation. Presume t..
Consider the by products that might be formed by E1 and/or E2 processes in the reaction of 2-methyl-2-butanol with HCl. a. Provide structures for these products
Calculate the number of grams of anhydrous sodium oxalate needed to prepare 250 mL of .04500 M sodium oxalate solution.
This chamber is equipped with enough solid KOH to absorb any CO2 and H2O produced by the mouse. The gas volume in this chamber is measured to be exactly 2.20 L, at the temperature is held constant at 297 K. After two hours the pressure inside the ..
How many grams of liquid sodium (minimum) are needed to absorb 4.70 MJ of energy (in the form of heat) if the temperature of the sodium is not to increase by more than 10.0 °C?
Is the reaction exothermic or endothermic? b) Calculate the heat produced when 10.0 g of AlCl3 forms. c) How many grams of Al are required to produce 1.00 kJ of energy?
Write a balance equation for each of the following reactions and identify the type of reaction: a) Solid potasium chlorate is heated to form solid potassium chloride and oxygen gas; b) Carbon monoxide gas and oxygen gas combine to form carbon diox..
find the specific solubilities (in g/100g H2O) in both cold and hot water for AgCl, PbCl2, and Hg2Cl2.
Indicate whether each of the following equilibrium mixtures contains mostly products or mostly reactants. a. CO(g) +Cl2(g) COCl2(g) Kc=5.0x10 to the negative 9 b.2HF(g) H2(g) + F2(g) Kc= 1.0x 10 to the negative 95 c. 2NO(g) +O2(g) 2NO2(g) Kc=6.0x1..
a gas has a volume of 50.0 cm3 at a temperature of -73acircdegc. what volume would the gas occupy at a temperature of
Calculate pCu at the equivalence point in the titration of 20.0 mL of 0.0161 M CuSO4 with 0.0100 M EDTA at pH 8.00.
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