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A 3.24 g sample of lauric acid (C12H24O2), a common constituent of fats, is burned in a bomb calorimeter. The temperature of the calorimeter increases by 82.9oC (Celsius). Given that the energy of combustion (?E) for lauric is -37.1 kJ/g, calculate the heat capacity of the bomb calorimeter. Make sure you enter kJ/C for your unit behind the number.
Based on formal charges, which statement about the best Lewis structure of a molecule composed of one atom each of N, S, and Cl
To prepare 5.0 L of a 3.50 M solution of Potassium Hydroxide (KOH), how many grams of Potassium Hydroxide must be used?
Which value is colosest to the POH of a 0.3 M solution of the weak base methylamine (CH3NH2)? the Ka for the acid form of methylamine is 2.27e-11 answer choices are 0.011, 1.94,3.92,10.08 and 12.06.
calculate the number of grams of solute that would be needed to make each of the following solutions2.50 x 102 ml of
What are these 3 techniques? Explain in detail how each technique is used and what information you receive from using them?
Imagine that you have a 5.50 gas tank and a 4.00 gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch.
A solution of potassium chromate is prepared at pH 7.72. Calculate the fraction of the total chromate in this solution that is present as the chromate ion CrO42-.
Enough Al2(SO4)3 solid is added to water to prepare 100.0 mL of a 0.150 M solution of aluminum sulfate. What is the concentration of sulfate ion in solution?
What is the pH of a solution of a strong acide like tintric acid, HNO3, which is 5.6 x 10^-4 M? [HNO3 is a strong acide, so it is completly ionized in aqueous solution
Write the ground-state electron configurations for the following elements. (Type your answer in noble gas notation using the format [Ar] 4s2 3d10 4p2 for [Ar]4s23d104p2.)
A given quantity of electricity passes through two separate electrolytic cells containing solutions of AgNo3 and SnCl2, respectively. If 2.00 g of silver is deposited in one cell, how many grams of tun are deposited in the other cell
What is the mass of sodium ion circulating in the blood if the concentration of sodium ion in this individual is 0.135M.The average adult has a total blood volume of 5 liter.
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