Chemistry, 10.10.2019 23:30 TrueKing184
Which chemical causes the signs of an allergic response when it is released in response to allergens?
Answers: 2
Chemistry, 23.06.2019 04:50
The diagin dilutepage 6 of 12a6a5(a)fluorine, chlorine, bromine and iodine are placed in the same group of theperiodic table.state the common name used to describe elements in this group.(i)state the group in which the elements are placed and explain whythey are placed in that group.(ii)which of the above named elements is a solid at roomtemperature and pressure?
Answers: 2
Chemistry, 23.06.2019 05:00
Asolution is made by dissolving 2.3 moles of sodium chloride (nacl) in 0.155 kilograms of water. if the molal boiling point constant for water (kb) is 0.51 °c/m, what would be the boiling point of this solution? show all the steps taken to solve this problem.
Answers: 1
Chemistry, 23.06.2019 05:00
How is electrolysis most commonly used to produce an energy source? a - splitting water molecules produces oxygen, which organisms breathe to fuel their bodies. b - splitting water molecules produces hydrogen gas, which is used to power machines through hydrogen fuel cells. c - splitting carbon dioxide molecules produces coal, a form of carbon that can be burned to produce heat. d - splitting carbon dioxide molecules produces natural gas, which can be burned to generate electricity in power plants.
Answers: 1
Chemistry, 23.06.2019 16:50
Equal volumes of h2 and o2 are placed in a balloon and then ignited. assuming that the reaction goes to completion, which gas will remain in excess? 2h2 + o2 → 2h2o a. both are in equal proportion b. oxygen c. water d. hydrogen
Answers: 1
Which chemical causes the signs of an allergic response when it is released in response to allergens...
Social Studies, 29.08.2019 10:50
History, 29.08.2019 10:50
Spanish, 29.08.2019 10:50
Computers and Technology, 29.08.2019 10:50
English, 29.08.2019 10:50
History, 29.08.2019 10:50