Chemistry, 16.12.2019 03:31 aliceotter2007
Which of the following is caused by pollutants from farm runoff, feedlots, or septic tanks?
question 2 options:
1) increased fecal coliform
2) low dissolved oxygen
3) temperatures greater than 45 c
4) ph below 6.5
Answers: 3
Chemistry, 22.06.2019 12:00
Solutions of sodium carbonate and silver nitrate react to form solid silver carbonate and a solution of sodium nitrate. a solution containing 3.50 g of sodium carbonate is mixed with one containing 5.00 g of silver nitrate. how many grams of sodium carbonate, silver nitrate, silver carbonate, and sodium nitrate are present after the reaction is complete?
Answers: 2
Chemistry, 22.06.2019 12:00
Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.
Answers: 2
Chemistry, 22.06.2019 14:10
16. in a reaction that has reached equilibrium, a. the forward and reverse reactions are occurring at the same rate. b. the reactants and products are in equal concentrations. c. the forward reaction has gone further than the reverse reaction. d. there are equal numbers of atoms on both sides of the equation. e. a, b, and d are correct.
Answers: 2
Chemistry, 22.06.2019 15:30
Count the number of each type of atom in the equation below, and then balance the equation. write in the numbers of atoms and coefficients. add a 1 if there should be no coefficient. cs2(l) + o2(g) ā co2(g) + so2(g) c [ ] s [ ] o > c [ ] s [ ] o [ ] cs2(l) + [ ] o2(g) > [ ] co2(g) + [ ] so2(g)
Answers: 3
Which of the following is caused by pollutants from farm runoff, feedlots, or septic tanks?
...
...
Mathematics, 02.08.2019 15:30
Biology, 02.08.2019 15:30
Mathematics, 02.08.2019 15:30
Mathematics, 02.08.2019 15:30
Social Studies, 02.08.2019 15:30
Business, 02.08.2019 15:30
Social Studies, 02.08.2019 15:30
Social Studies, 02.08.2019 15:30
Chemistry, 02.08.2019 15:30