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what volume of 0.150 M KCl solution is required to react completely with 0.150 L of a 0.175 M Pb(NO3)2 solution according to the chemical reaction
KCl + Pb(NO3)2 --------PbCl2 + KNO3
This is a visualization question: If the number of mol of He in the mixture visualized is 1.53, calculate the total number of mol present in the mixture.
Glacial acetic acid is mixed with liquid methanol (nonaqueous). What type of organic reaction can this be characterized as?
The blue color of the sky is due to the scattering of sunlight by the molecules in the air. The blue light has a frequency of about 7.5 x 10^14 Hz.
what volume of air is needed to burn it completely? Assume that the temperature of the burner is 195.0 Celcius, the pressure is 1.1 atmosphere, and the mole fraction of O2 in air is 0.21.
If the measured gas pressure in a collection flask during a gas-forming reaction was determined to be 1.44 atm, and the atmospheric pressure that day was measured as 0.95 atm.
How many moles of HCL must be added to 1.50L of 1.70M KOH to obtain a pH of 2.00?
total of 2.00 moles of a compound is allowed to react in a foam coffee cup that contains 122 gm of water. The reaction caused the temperature of the water to rise from 21.0 to 24.7
Prepare a standard of lidocaine in methanol with a final concentration of 1.00 mg/mL using the powder lidocaine/HCl. Show the calculations and explain how you take the salt form into account.
Identify each of the following substances as an element, compound, solution, or heterogeneous mixture
Rank from longest to shortest distance. To rank the items as equivalent, overlap them.
NaOH required for titration of 10 mL of monoprotic acid solution. What was the original concentration of acid? What was the original pH of acid solution if its pKa is 5.3?
A growth factor for cells was identified from extracts of rat brain. Preliminary characterization was done on this activity using several methods.
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