Chemistry, 12.08.2019 23:30 michealjackson2002
Chlorine is used to disinfect swimming pools. the accepted concentration for this purpose is 1 ppm chlorine, or 1 g of chlorine per million grams of water. calculate the volume of a chlorine solution (in milliliters) a homeowner should add to her swimming pool if the solution contains 6.0 percent chlorine by mass and there are 2.0 x 10^4 gallons (gal) of water in the pool (1 gal =3.79 l; density of liquids= 1.0 g/ml).
Answers: 1
Chemistry, 21.06.2019 22:30
Imagine that you’re getting ready to move to a new city. when people move, they are influenced by push factors and pull factors, and you have many reasons for your move. which of the following factors is an example of a pull factor? a. wanting to move because you’ve found a great new school somewhere new b. needing to move because there are not enough resources in your old hometown c. being forced to move because your old home is gone d. having to move because there are no jobs in your current hometown
Answers: 1
Chemistry, 22.06.2019 19:30
Use the periodic table to find the molar mass of each element. molar mass h = g/mol molar mass s = g/mol molar mass o = g/mol
Answers: 3
Chemistry, 22.06.2019 20:20
Which formula equation represents the burning of sulfur to produce sulfur dioxide? s(s) + o2(g) 4502(9) 2h2s(s) + 302(g) —> 2h20(0) + 2502(9) 4fes2+1102 —> 2fe2o3 + 8502 2802(g) + o2(9) v205 , 2503(9)
Answers: 1
Chlorine is used to disinfect swimming pools. the accepted concentration for this purpose is 1 ppm c...
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