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A swimming pool, 10.0m by 4.0m, is filled with water to a depth of 3.0m at a temperature of 20.2 degrees Celsius.
If the energy needed to raise the temperature of the water to 29.0 degrees Celsius is obtained from the combustion of methane (CH4), what volume of methane, measured at STP, must be burned?
How many kilojoules of heat must be provided to convert one gram of liquid water at 67 degrees Celsius into one gram of steam at 100 degrees Celsius?
All numerical answers must be reported to the correct number of significant figures. What volume of 1.000 M LiCl must be diluted with water to prepare 250.0 mL of 0.100 M LiCl
a bomb calorimeter whose components have a heat capacity of 6.66 kjdegc is filled with 913 g of water. the amount of
How do you find the mass of an unknown acid in a 10mL portion used for titration if my original mass of the unknown acid is 0.307g
Water at 0 degrees C was placed inside a vessel maintained at low pressure by a vacuum pump. After some of the water evaporated, the remainder froze. If 1.2g of water evaporated, how much ice was obtained? Use the heats of vaporization and fusion ..
How many liters of the antifreeze ethylene glycol [CH2(OH)CH2(OH)] would you add to a car radiator containing 6.50 L of water if the coldest winter temperature in your area is -37°C
Predict if the following conditions would result in the formation of a preecipitate: a. 0.0025 M Fe3+ at pH 6.00 b. 0.0025 M Ba2+ and a 1.25x10-4 M solution of sodium sulfate c
Using noble gas (n-1) dx representations write the outer electron configuration for the following ions
can you write the oxidation reduction reaction for a solution of potassium dichromate added to an acidified solution
1-A 500 mL NaCl solution is diluted to a volume of 1.24 L and a concentration of 8.00 M. What was the initial concentration C1? 2- write the total ionic equation.Be sure to include the charges on the ionic species and the physical state of all the..
a solution is prepared by mixing 66.7 g h2o with 33.3 g hoch2ch2oh ethylene glycol. what is the concentration of
Experiments have shown that the average frequency of chirping by a snowy tree cricket depends on temperature as shown below
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