Chemistry, 23.12.2019 13:31 zmirandalove100
Is this physical or chemical change?
1) burning oil
2) evaporating water
3) mixing flour and salt
in advance!
Answers: 1
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Consider the directing effects of the substituents on salicylamide and predict the possible structures of the iodination products. which do you think will be the major product?
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Chemistry, 23.06.2019 01:00
If a sample of radioactive isotopes takes 600 minutes to decay from 400 grams to 50 grams, what is the half-life of the isotope?
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Chemistry, 23.06.2019 03:10
Which of the following compounds would be expected to have the strongest ionic bonds? a)the compound that has b)the largest ions with the greatest charge c)the compound that has d)the largest ions with the least charge the compound that has the smallest ions with the greatest charge the compound that has the smallest ions with the least charge
Answers: 2
Chemistry, 23.06.2019 03:30
In chemistry, the type of an atom (what element it is) is determined by: a) the number of protons it contains in its nucleus.b) the number of neutrons it contains in its nucleus.c) the number of protons it has in a cloud around the nucleus.d) the number of neutrons it has in a cloud around the nucleus.e) the number of electrons it exchanges with its neighbors.
Answers: 1
Is this physical or chemical change?
1) burning oil
2) evaporating water
3) mi...
1) burning oil
2) evaporating water
3) mi...
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