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Problem- Determine how much of each of the following NaCl solutions in grams contains 1.9g of NaCl. 0.062% NaCl by mass
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The reaction 2NOCl(g) → 2NO(g) + Cl2 (g) has an activation energy of 100.0 kJ/mol and a rate constant at 400.0 K of 8.5 x 10-6 mol-1 L s-1. Determine the rate constant at 450 K.
at 210degc a solution of 18.26 g of a nonvolatile nonpolar compound in 33.25 g of ethyl bromide c2h5br had a vapor
Which of the above sets of quantum numbers could possibly describe an electron in the ground-state configurations of boron
Cyclohexane has a freezing point of 6.50 degrees C and a Kf of 20.0 degree C/m . What is the freezing point of a solution made by dissolving 0.463g of biphenyl (C12H10) in 25.0g of cyclohexane
Calculate the pH of a solution with the following: 5.12 moles of HCl are placed in a 3.00 L of water 4) Given the acid pKa is 4.76. Calculate the pH of a 0.35M acetic acid solution:
A 2.04 g lead weight, initially at 10.0 Celcius, is submerged in 7.96g of water at 52.9 Celcius in an insulated container. What is the final temperature of both substances at thermal equilibrium
Being that the active ingredient is Mg(OH)2, which decomposed to form Mg2+ and OH- ions. What are the two ways to increase solubility of Mg(OH)2 either before you take it or when it gets in the stomach
Problem- When doing a "Molar volume of oxygen gas" lab, Explain why you don't collect the oxygen gas in the buret the first time you start heating the sample.
A beaker with 120 mL of an acetic acid buffer with a pH of 5.00 is sitting on a benchtop. The total molarity of acid and conjugate base in this buffer is 0.100 M. A student adds 5.50 mL of a 0.250 M HCl solution to the beaker. How much will the pH..
Ions B and C react to form complex BC. If 20.0mL of 1.25M B is combined with 20.0mL of 1.25M C, 0.00650 mol of complex BC is formed. Determine the equilibrium constant for this reaction.
Question- A solution contains naphthalene (C10H8)dissolved in hexane (C6H14) at a concentration of 11.70% naphthalene by mass. Calculate the vapor pressure at 25 ?C of hexane above the solution. The vapor pressure of pure hexane at 25 C is 151 torr.
Problem- Calculate the molarity of a solution that results adding enough water to a 300ml of 2.5M solution of NaCl to complete 1.00L
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