subject
Chemistry, 10.10.2019 05:50 fireyking19

Which statement describes what occurs as two atoms of bromine combine to become a molecule of bromine?
(1) energy is absorbed as a bond is formed.
(2) energy is absorbed as a bond is broken.
(3) energy is released as a bond is formed.
(4) energy is released as a bond is broken.

ansver
Answers: 3

Another question on Chemistry

question
Chemistry, 22.06.2019 10:30
Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.
Answers: 1
question
Chemistry, 22.06.2019 12:20
The yearly amounts of carbon emissions from cars in belgium are normally distributed with a mean of 13.9 gigagrams per year and a standard deviation of 5.8 gigagrams per year. find the probability that the amount of carbon emissions from cars in belgium for a randomly selected year are between 11.5 gigagrams and 14.0 gigagrams per year. a. 0.340 b. 0.660 c. 0.167 d. 0.397
Answers: 2
question
Chemistry, 23.06.2019 00:40
To prevent the presence of air, noble gases are placed over highly reactive chemicals to act as inert "blanketing" gases. a chemical engineer places a mixture of noble gases consisting of 4.37 g of he, 13.36 g of ne, and 36.65 g of kr in a piston-cylinder assembly at stp. calculate the partial pressure in torr of kr.
Answers: 1
question
Chemistry, 23.06.2019 09:20
Asolution of naoh has a concentration of 25.00% by mass. what mass of naoh is present in 0.250 g of this solution? use the periodic table in the toolbar if needed. 0.0625 g what mass of naoh must be added to the solution to increase the concentration to 30.00% by mass? g
Answers: 2
You know the right answer?
Which statement describes what occurs as two atoms of bromine combine to become a molecule of bromin...
Questions
question
German, 19.02.2021 22:40
question
Mathematics, 19.02.2021 22:40
question
Arts, 19.02.2021 22:40
question
Mathematics, 19.02.2021 22:40
question
Mathematics, 19.02.2021 22:40
Questions on the website: 13722363