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For the following reaction, 3.00 grams of chlorine gas are mixed with excess sodium iodide. The reaction yields 4.38 grams of sodium chloride.
We assume the first step in this decay series is, by far, the slowest and that all the 206Pb found in the sample is derived from this decay process. How old (in billions of years, where 1 billion =
12.0 moles of gas are in a 6.00 tank at 20.3. Calculate the difference in pressure between methane and an ideal gas under these conditions. The van der Waals constants for methane are a=2.300 L^2*at
Calculate the binding energy for Cf-253 if one atom of this nuclide has an atomic mass of 253.08417. Express your answer in units of picojoules/nucleus where 1 picojoule = 1x10-12 joule
how do you calculate the H+ in the following solution: [OH-] = 3.44 x 10-1 - need the steps please.
what is the change in internal energy of a system that absorbs 0.570 kj of heat from its surrounding and has 0.843 kcal of work done on it give in scientific notation
The first steps in the radioactive decay of 257Uuh involves the rapid and successive emission of 4 alpha particles
A nuclear reaction involves the hypothetical element X, which has an atomic number of 166, as a reactant. The 360X nuclide reacts with 5 neutrons yielding a nuclide of element Y along with, altogeth
For the following reaction, 5.43 grams of potassium hydroxide are mixed with excess carbon dioxide. The reaction yields 6.09 grams of potassium carbonate.
what is the chemical calculation to figure out the following: calculate the [H+] in the following solution and indicate whether the solution is acidic or basic: [OH-] = 2.32 x 10-4
For the following reaction, 4.91 grams of sodium are mixed with excess water. The reaction yields 5.83 grams of sodium hydroxide.
what is the chemical calculation to figure out the following: calculate the new molarity if the following dilution is made (assuming the volumes are additive): 25.0 mL of water is added to 10.0 mL o
what is the chemical calculation to figure out the following: calculate the number of moles of each ion present in the following solution: 10.2 mL of 0.451 M AlCl3 solution.
When Fe(s) reacts with HCl(aq) to form FeCl2(s) and H2(g), 7.40 kJ of energy are evolved for each mole of Fe(s) that reacts. Write a balanced thermochemical equation for the reaction with an energy te
what is the chemical calculation to figure out the following: what mass of the indicated solute does the following solution contain: 17.8 ml of 0.119 M CaCl2
Carbonated cola is more acidic than coffee or even orange juice because cola contains phosphoric acid. What is the molar concentration of {H_3O^+} in a cola that has a pH of 4.240? Express your answ
what is the chemical calculation to figure out the follow: how many moles of the indicated solute does the following contain, 12.5 mL of 0.104 M HCL
Free radicals are important in many environmentally significant reactions. For example, photochemical smog, which forms as a result of the actions of sunlight on air pollutants, is formed in part by
Consider the following solutes and the composition of their aqueous solutions. In which of the following is the composition of the aqueous solution of the solute given
The flask was then shaken until the solution was uniform. A 45.0 \rm mL sample of this glucose solution was diluted to 0.500 \rm L. How many grams of glucose are in 100. \rm mL of the final solution
Consider the reaction of an aqueous solution of KOH with an aqueous solution of HC2H3O2. Which of the following should appear on the product side of this reaction
A chemist needs to determine the concentration of a solution of nitric acid, HNO_3. She puts 865 mL of the acid in a flask along with a few drops of indicator
What is the conversion calculation for M to grams of KBr for the following: What mass of potassium bromide is contained in 135 mL of 0.251 M Kbr solution
Draw the chemical structure ( including all atoms and bonds) for the compound with the systematic name:6,7-dichloro-5-methyl-4-transaminophenyl-cis-2-heptane-ol