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Presume that a sample contains 45.67 % KHP (204.23 g/mol). Explain what is the maximum weight of sample in grams which can be titrated with 0.1016 M NaOH consequently that the titration volume does not exceed 50.00 mL?
calculate the amount of energy in kilojoules needed to change 135 of water ice at -10 degrees celsius to steam at 125
alculate (Triangle Hof f) for the hypothetical compound A2B2 which is formed by the following reaction: A2 (g) + B2 (g) --> A2B2 (g) given the following calorimetry data: mass of calorimeter= 2300g mass of water in the calorimeter
A certain atom is bombarded with a neutron and changes into Lithium 7. What was that atom? (It is a fission reaction)
Explain the explosive, tnt is composed of 37.0% carbon 2.20% hydrogen,18.5% nitrogen, and 42.3% oxygen. a. Find out he empirical formula for tnt.
Compute the volume of the tank if the total pressure of the mixture is 44.08 psi at 86°F. What is the partial pressure of each constituent and the average molecular weight of the mixture
An aqueous solution of ethanol, C2H5OH, is 19.00% ethanol by mass and has a density of 0.9700 g mL-1. Calculate the molarity of the ethanol solution.
Draw the biuret reaction (i.e. include a structure) with a peptide(s) of your choice. You may use R to denote the amino acid side chains
A chemist must dilute of M aqueous potassium iodide solution until the concentration falls to M . He'll do this by adding distilled water to the solution until it reaches a certain final volume.
"Alpha" iron metal crystallizes with the body-centered cubic unit cell. If the unit cell is 287 pm on each side, what is the density of alpha iron?
Calculate the theoretical yield of ammonia produced by the reaction of 100g of H2 gas and 200g of N2 gas.
Explain what would happen to the color of a dilute solution containing FeCl_4_^- if you added a solution containing silver ion, Ag^+. added concentrated HCl.
The planet Jupiter has a mass 318 times that of Earth, and its surface temperature is 140 K. Mercury has a mass 0.05 times that of Earth, and its surface temperature is between 600 K and 700 K. On which planet is the atmosphere more likely to obey..
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