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Can someone help me understand the different functions of law are all equally important? Or are one or some more so than others?
What is the density (in g/cm^3) if the ionic radii of Na+, F- ions are 102.9 pm and 136.0 pm, respectively? Hint: notice that the cation and anion touch each other and together make up the side of the cube.
If 8.0 moles of the gas A is palced in a 60.0 L tank with 1.0 moles of B at 0 degress celsius and 1 atm, they react according to this equation: 2A(g) + B(g) --> 3C(g) +D(g) How many moles are present in the tank when the reaction is complete
Synthesized t-pentyl chloride in an experiment. The mass spec of the product has a base peak at 77. Depict what this fragment looks like? Explain what would explain the peak at 79
A horizontal force of 100 Newtons is applied to a block having a mass of 10 kg; the frictional force across the floor is equal to 20 Newtons. What is the acceleration of the block. Remember to use appropriate units.
Calculate the activity coefficient of glucose in this solution if the solution freezes at -0.66 C.
A 0.682 g sample of an unknown weak monoprotic organic acid, HA was dissolved in sufficient water to make 50 milliliters of solution and was titrated with a 0.135 molar NaOH solution.
What is the concentration of a solution made from 15ml of 2.0M HBrO, 20.0ml of H20, and 9.7g HBrO (mm=97g/mol)
a) H2 (g) + Br2 (g) â?" 2 HBr (g) + heat [0.513] [0.62] [0.346] b) N2O4 (g) + heat â?" 2 NO2 (g) [0.0325] [0.022] c) NH4SH (g) â?" NH3 (g) + H2S (g) + heat [0.027] [0.0234] [0.209] Calculate Ke for the following (equilibrium concentrations give..
You could determine Ka for benzoic acid by measuring the pH of a 0.010 M solution of benzoic acid. Why is graphical method (pH vs volume of NaOH added) a better way of determining Ka
a 0.204 g sample of a co32- antacid is dissolved with 25.0 ml of a 0.0981 m hcl. the hydrochloric acid that is not
Calculate the mass of ferrous ammonium sulfate you would need to add to a 100.00 mL volumetric flask to make a solution that is 59 ppm in Fe. Then, stock solution A is prepared by dissolving 183.5 mg of ferrous ammonium sulfate in water and diluti..
A solution is made by taking 54.62 g of K2CrO4 in enough water to make 250.0 mL of solution. The molarity of the solution is therefore
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