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How many molecules of carbon dioxide are produced when 123 molecules of acetylene (HCCH) to react in excess oxygen produce carbon dioxide and water?
Question enthalpy and entropy values are given and were asked to find boiling point of mercury
Determine the rate law and the numerical value for K based on the following data :
A piece of metal of mass 27 g at 105?C is placed in a calorimeter containing 49.2 g of water at 19?C. The ?nal temperature of the mixture is 30?C. What is the speci?c heat capacity of the metal.
As of the writing of this text, EPA standards limit atmospheric ozone levels in urban environments to 84ppb. How many moles of ozone would there be in the air above Los Angeles County.
Determine how would you compare the escape velocity of asteroid Y as compare to the escape velocity of asteroid X?
Should you install a solar water heater? The average home has a 200 liter hot-water tank, which is effectively drained and replenished three times per day.
If 49.0g of H3PO4 is reacted with excess KOH, determine the percent yield of K3PO4, if you isolate 49.0g of K3PO3.
How much heat is required to warm 229 g of ice from -44.9C to 0.0C, melt the ice, warm the water from 0.0C to 100.0C, boil the water, and heat the steam to 173.0C.
The molar heat capacity of a compound with the formula C2H6SO is 88.0 J/mol-K. what is the specific heat of this substance.
Use of fossil fuels - Should we be burning the raw materials for medicine and polymers? Where will we be in 50 years on this issue?
For each reaction, calculate the mass (in grams) of the product formed when 10.1g of the underlined reactant completely reacts. Assume that there is more than enough of the other reactant.
An unknown metal X with a mass of 28 grams absorbs 58 J of heat. calculate the heat capacity if Its temperature raises from 31.1 °C to 39.9 °C.
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