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measure the salt water in the tank to have a density of 1.03 g/mL. The balloon weighs 2.0 g and your weights have a mass of 30.0 g each. If you put 13 weights in your balloon, you must inflate the balloon to what diameter for it to have a density equal to the salt water, and therefore float in the middle of the tank?
Classify the following salt solution as neutral acidic or basic. Explain and use quilibrium value constants
Calculate the pH during the titration of 32 mL of 1.149 x 10-1 M NaOH with 1.161 x 10-1 M HBr solution after the following additions of acid.
What is the overall charge state for the tetrapeptide DREAM at physiological pH. The pK values for N-terminal, C-terminal, side chain of asp, arg, glu
Describe the characteristic infrared absorption frequencies that would allow you to distinguish between the following pairs of compounds.
A person ate 0.451 pound of cheese (an energy intake of 3610 kJ). Suppose that none of the energy was stored in his body. What mass (in grams) of water would he need to perspire in order to maintain his original temperature? (It takes 44.0 kJ to v..
calculate the grams of deposit in the following situations: a) In the form of Tl2O3 (solid) on an anode? (b) as the element Tl (solid) on a cathode?
Find the Qsp if The solubility product of Ag 2 CO 3 =6.2 × 10-12. Also determine whether a precipitate forms in the solution (Assume 20 dropsper milliliter.)
Consider a 75.0g sample of H2O(g) at 125C. What phases are present when 215kJ of energy is removed from this sample?
calculate the kg mix- ture from the mixer, kg water evaporated, and kg jam produced.
Calculate the volume of air at 26 degrees Celsius and 0.92 atmosphere that is needed to burn completely 11.47 grams of pentane.
find the concentration of calcium ions in a solution made by adding 3.50 g of calcium fluoride to 750ml of .125M NaF. Ksp for CaF2 is 3.95x10^-11
The density of an unknown gas is 2.00 grams per liter at 3.00 atmospheres pressure and 127 degrees C. What is the molcular weight of the gas?
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