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Automotive air bags inflate when sodium azide, NaN3, rapidly decomposes to its component elements.
2 NaN3(s) 2 Na(s) + 3 N2(g)
How many grams of NaN3 are required to produce 15.0 ft3 of nitrogen gas if the gas has a density of 1.25 g/L.
A packet of the same soup sold in the U.S. would have the same nutritional information in kilocalories per cup. There are two cups in a pint. How many nutritional calories would be quoted per cup of prepared soup?
the electron shifts resulting in the ring closure. draw diagrams of the products.
Determine how many moles of CO 2 would have to be combined at constant temperature and volume to increase the amount of CO to 0.300 moles?
How many moles of NH3 can be produced from the reaction of 0.5 moles of N2 with that amount of H2?
A sample of gas with a volume of 750 mL exerts a pressure of 98 kPa at 30 ?C.What pressure will the sample exert when it is compressed to 250 mL and cooled to -25 ?C?
Imagine that you have a 5.50 L gas tank and a 2.00 L gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch
A gas is heated from 14 degrees celsius to 121 degrees celsius and the volume increased from 15.0 liters to 41.4 liters. If the original pressure is 1 atm, what would the final pressure be?
Compound X is a miracle drug used to cure every sneeze and sniffle. It is very expensive though and customers complain it doesn't always work as well as it should.
When setting temperature scan program of Diffrential Scanning Chromatography,
The specific heats of ice and water are 2.09 and 4.184 J/g.°C, respectively. The heat of fusion for water is 334 J/g.
A solution is made from ethanol, C2H5OH, and water is 1.60 m in ethanol. How many grams of C2H5OH are contained per 230. g of water?
Consider equal volumes (say 1 rm L) of a substance in the solid, liquid, and gas phases. Arrange them in order of decreasing mass. If the mass difference between samples is relatively small, rank the items as equivalent.
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