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There are about 1,200,000 autos .each auto emits 3.1g NO2 and 1.6g CH4 per vehicle mile. Each auto travels 30 miles round trip per day. How much NO2 and CH4 in g/day is emmited in the air daily?
Draw a three-dimensional structure of CH3CL. Include all non-bonding pairs in your drawing. Shoe the direction of the molecular dipole and indicate bond angles.
When 24 copper pennies are submerged in water, the pennies displace 8.26 cm3 of water. If the combined mass of the pennies is 73.86 g, what is the density of copper?
Stellar nuclear fusion begins with 1H and ends with 56Fe. Younger stars fuse hydrogen to form 4He, while older, more massive stars fuse helium to form heavier elements.
A solution of salt (molar mass 90 g mol -1) in water has a density of 1.29 g/mL. The concentration of the salt is 35% by mass.
When steam (hot water) is passed over iron, hydrogen gas and iron (3) oxide are formed. What weight of steam would be needed to react completely with 100.0g of iron.
Gaseous ethane will react with gaseous oxygen to produce gaseous carbon dioxide and gaseous water . Suppose 10.82 g of ethane is mixed with 62.90 g of oxygen.
What is the density of a block of marble that occupies 253 cm and has a mass of 752 g? Answer in units of g/cm
To heat 236mL of water from 25 degrees celcius to 78 degrees celcius in 2.00 minutes what must be the heat rating of the heater, in kJ/min
Compute the atomic mass of 109Ag if natural abundance of 107Ag is 51.87% & atomic mass =106.905 amu and determine the probability of particle would be located in the range
What is the density of gallium in grams per cubic centimeter at 25 C if a 1.00 cube has a mass of 0.2133.
Given total pressure and equilibrium constant, calculate equilibrium partial pressure, The heterogeneous equilibrium process
A sample of pure silver jewelry has mass of 63.3g and is heated to a temperature of 111.4C. It is placed into a container of water at 17C.
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