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you are titrating 75.00 ml of unknown concentration of hydrochloric acid with 0.649 M barium hydroxide. You add 38.72 ml of barium hydroxide to reach the neutralization point. a)write the neutralization reaction. b)what is the pH at the neutralization point? c)what is the concentration of the hydrochloric acid solution?
Calibration and collection of equilibrium data are different experiment. Why could you use the calibration curve for getting equilibrium data?
When pure nickel is burned in carbon monoxide the compound nickel carbonyl Ni(CO)4 is formed. Write and balance the equation. How many grams of carbon monoxide is used for every gram of nickel metal burned
Calculate the molar mass for each of the following. Express your answer to four significant figures and include the appropriate units. Cl2 C3H6O3 Mg3(PO4)2 AlF3 C2H4Cl2 SnCl2
A total of 2.00 of a compound is allowed to react in a foam coffee cup that contains 130 of water. The reaction caused the temperature of the water to rise from 21.0 to 24.7 . What is the enthalpy of this reaction. Assume that no heat is lost to t..
Glucose makes up about 0.10\% by mass of human blood. Calculate the concentration in ppm. Calculate the molality. What further information would you need to determine the molarity of the solution
What would be a single reducing agent capable of reducing both the nitro and carbonyl groups of m-nitroacetophenone
A plot of k versus 1/T has a slope of -7, 445. What is the E_a (energy of activation) for this reaction? OPTIONS: A. 90.79 kJ/mol B. 895.5 kJ/mol C
The standard molar enthalpy change for this reaction is -1.3MJ. What is the enthalpy change when 6 moles of octane are combusted?
Why are the Kr---Kr and intermolecular Br---Br distances in the solid form of the two elements practically identical? How would you expect the Br---Br distances in solid CBr4 to be related to the above distances
What are the major differences between "theories", "hypotheses" and "laws". What is an example that would explain them.
Triethylamine, (ch3ch2)3n, is a liquid that boils at 89C and has a viscosity of about 4 x10^-4 kg/ms. Explain the differences in properties of these two componds.
Calculate the reaction quotient Qc and find out at which temperature and
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