Why are hydrogen and oxygen written as H2 and O2?
1. They are diatomic molecules.
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Chemistry, 06.05.2020 05:20 nicollexo21
Why are hydrogen and oxygen written as H2 and O2?
1. They are diatomic molecules.
2. All individual elements have the subscript 2.
3. To balance the equation.
Answers: 2
Chemistry, 22.06.2019 06:30
Select the correct text in the passage. which sentences describe examples of sustainable living? i live in an old apartment building downtown, but my company is based in an office park on the outskirts of the city. i drive an old car that needs to be replaced. i plan to buy a hybrid for better gas mileage, but for now i am able to carpool with a couple of friends from work. the drive to the office park is about 45 minutes each way, but we do get to work in a modern building. the architects just received a leed certification for the design.
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Chemistry, 22.06.2019 07:30
Calculate the ratio of h+ ions to oh– ions at a ph = 7. find the concentration of h+ ions to oh– ions listed in table b of your student guide. then divide the h+ concentration by the oh– concentration. record this calculated ratio in table a of your student guide. compare your approximated and calculated ratios of h+ ions to oh– ions at a ph = 7. are they the same? why or why not? record your comparison in table a. what is the concentration of h+ ions at a ph = 7? mol/l what is the concentration of oh– ions at a ph = 7? mol/l what is the ratio of h+ ions to oh– ions at a ph = 7? : 1
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Chemistry, 22.06.2019 12:50
The number at the end of an isotope’s name is the number.
Answers: 1
Chemistry, 22.06.2019 13:30
What are the chemical names of these compounds? ke: mg3n2: reset next
Answers: 1
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