Please help me guys.. staar tests are coming up...
Determine how many atoms of an element are in each formula.
1. How many atoms of oxygen are in the formula CH 3 COOH ?
2. How many atoms of hydrogen are in the formula C 3 H 7 OH?
3. How many atoms of carbon are in the formula CH 3 CH 2 CH 2 OH ?
4. How many atoms of oxygen are in the formula ?
5. How many atoms of hydrogen are in the formula CH 3 CH 2 Br ?
How many atoms of carbon are in the formula CH 3 COONa ?
7. How many atoms of nitrogen are in the formula NH 4 NO 2 ?
8. How many atoms of oxygen are in the formula HOOCCOOH ?
9. How many atoms of hydrogen are in the formula NH 4 OH ?
Answers: 3
Chemistry, 22.06.2019 08:30
In the millikan oil drop experiment they determined that every drop had a charge which was a while number multiple of -1.60x10^-19. if a drop has a total charge of -9.60x10^-19 then how many excess electrons are contained within the drop?
Answers: 2
Chemistry, 22.06.2019 19:10
Which statement correctly describes the phosphate ion, ? it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a β3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a β3 charge on the phosphorus atom. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a β3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a β3 charge on the phosphorus atom.
Answers: 3
Chemistry, 22.06.2019 22:30
Rank the four gases (air, exhaled air, gas produced from from decomposition of h2o2, gas from decomposition of nahco3) in order of increasing concentration of co2
Answers: 1
Please help me guys.. staar tests are coming up...
Determine how many atoms of an element are in ea...
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