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How much ice (in grams) would have to melt to lower the temperature of 353 mL of water from 26 degrees C to 6 degrees C? (assume the density of water is 1.0 g/mL.)
if a 10. m3 volume of air acting as an ideal gas is at a pressure of 760 mm and a temperature of 27 degrees celsius is
What is the maximum concentration of Cd2+ that can exist in a solution in which the S2- concentration is 2.5 x 10-6? Ksp(CdS) = 8.0 x 10-27
Write a balanced equation for the combination reaction described, using the smallest possible integer coefficients. When zinc oxide combines with water, zinc hydroxide is formed.
A quantity of .20 mole of carbon dioxide was heated to a certain temperature with an excess of graphite in a closed container until the following equilibrium was reached
which of the following would be a reasonable unit for the rate constant of a first order reaction?1. moll.sec2.
what is the heat flow of hot water added to cold water? What is the heat flow of the cold water? hot water was 52.5 C the cold water was 21.7 C the final temperature was mass of cold water was 49.35g
Calculate the amount of heat liberated (in kJ) from 375 g of mercury when it cools from 89.2°C to 15.7°C
The optical rotation of a sample composed only (S)-1-amino-1-phenylethane is determined. [a]obs = -157.0 degrees. If the cell path length was 1.0 dm and the concentration of (S)-1-amino-1-phenylethan in the sample was 5.2 g/mL
Consider this reaction data, If you were going to graphically determine the activation energy of this reaction, what points would you plot? provide two separate points.
A lightning flash is seen and then 1.9 seconds later the thunderclap is heard. How far away in miles did the lightning strike if sound travels 1087 feet per second and a mile is exactly 5280 feet
Explain for which of the following species resonance is an important property: HONO, HONO2, N3-, NO2-, NO2.
The volume of the bulb was 1.524 liters. The temperature was 28.40 C, and the manifold pressure was 637.6 torr. What volume, in liters, would this gas sample occupy at STP?
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