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A 1.87 g sample of Mg reacts with 80.0 mL of a hydrochloric acid solution (pH = -0.544). What is the pH of the solution after all the Mg has reacted? Assume constant volume.
Part 1) What would be the specific rate constant for the reaction. Part 2) if the initial concentration of A is changed to 2.oo molar and the initial concentration of B remains the same, what would be the initial rate of reaction
Presume that 0.89g of water condenses on a 80.0g block of iron that is initially at 22C. If the heat released during condensation goes only to warming the iron block, explain what is the final temperature (in C) of the iron block. Presume a consta..
Question- A 31.780 g sample of titanium at 93.0 degrees Celsius is placed into 60.0 g of water at 22.0 degrees Celsius in a calorimeter. The final temp of the mix is 26.5 degrees Celsius. The specific heat of water is 4.184. What is specific heat ..
Poly(propylene) is made of one kind of monomer. Give the two monomers used to make nylon 6,6. Why are two monomers needed to make nylon 6,6 while only one is needed to make poly(propylene)?
Consider a 1L solution of .05M sodium formate (HCO2; pka (HCO2H) = 3.744). What is the final pH (do not consider an activity correction) after adding 12mL of 1.0M HCl
Given the hypothetical redox reactions involving substances A, B, and C: A + B+ g? A+ + B C + A+ g? C+ + A B + C+ g? no reaction What is the arrangement of the substances in their order from strongest reducing agent to weakest reducing agent
A flask contains 200 mL of 0.1M phosphate buffer that has a pH of 7.0. What volume of 0.1M NaOH should be added to increase the pH to 7.6
A 2kg sample of lead is heated from a temperature of 30 degrees celsius to a temperature of 60 degrees celcius. The specific heat of lead is 128 J/kg degrees celsius. How much heat energy di this sample absorb?
Question- A cell is constructed by immersing a srip of silver in 0.10 m AgNO3 solution and a strip of lead in 1.0 m Pb(NO3)2 solution. A wire and salt bridge complete the cell. What is the potential for the cell
The buret contains 0.110 M NaOH. Explain what volume of NaOH is required to reach the end point of the titration. Explain what was the initial concentration of HCl
calculate the energy, in joules and calories, lost when 75.0 g of water cools from 86.4 degrees celsius to 2.1 degrees celsius
If all of the electron groups around a single central atom are bonding, and the same outer atom is bonded to the central atom in each case, is the molecule polar, nonpolar, or does it depend on the identity
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