subject
Chemistry, 06.09.2021 17:00 nicjeyr

You are asked to separate sand and sodium chloride. a. Name the method needed to carry out the procedure.

ansver
Answers: 3

Another question on Chemistry

question
Chemistry, 22.06.2019 19:00
How does a catalyst increase the speed of a reaction? a. the catalyst eliminates the activated complex stage, allowing products to form immediately. b. the catalyst lowers the energy level of the reactants, making it easier for them to react. c. the catalyst makes it easier for the activated complex to form, lowering the activation energy. d. the catalyst raises the energy level of the products, making the reaction finish sooner. reset next
Answers: 1
question
Chemistry, 22.06.2019 20:20
Nitric acid can be formed in two steps from the atmospheric gases nitrogen and oxygen, plus hydrogen prepared by reforming natural gas. in the first step, nitrogen and hydrogen react to form ammonia: (g) (g) (g) in the second step, ammonia and oxygen react to form nitric acid and water: (g) (g) (g) (g) calculate the net change in enthalpy for the formation of one mole of nitric acid from nitrogen, hydrogen and oxygen from these reactions. round your answer to the nearest .
Answers: 3
question
Chemistry, 22.06.2019 20:30
The activation energy for the reaction no2(g)+co2(g)⟶no(g)+co(g) is ea = 300 kj/mol and the change in enthalpy for the reaction is δh = -100 kj/mol . what is the activation energy for the reverse reaction?
Answers: 3
question
Chemistry, 22.06.2019 21:00
As we move from left to right across the periodic table, what is the general trend? a) atomic radii increase. b) electronegavitiy decreases. c) nuclear shielding increases. d) metallic character decreases.
Answers: 1
You know the right answer?
You are asked to separate sand and sodium chloride. a. Name the method needed to carry out the pro...
Questions
question
Social Studies, 24.03.2021 18:20
question
Health, 24.03.2021 18:20
question
Social Studies, 24.03.2021 18:20
question
History, 24.03.2021 18:20
question
Mathematics, 24.03.2021 18:20
question
Biology, 24.03.2021 18:20
question
Mathematics, 24.03.2021 18:20
question
Mathematics, 24.03.2021 18:20
question
Mathematics, 24.03.2021 18:20
Questions on the website: 13722367