Chemistry, 09.10.2021 01:10 dschallipp

For each of the reactions, calculate the mass (in grams) of the product formed when 15.00 g of the underlined reactant completely reacts. Assume that there is more than enough of the other reactant. 2K(s)+Cl2(g)––––––→2KCl(s)
Express your answer using four significant figures.

2K(s)+Br2(l)––––––→2KBr(s)
Express your answer using four significant figures.

4Cr(s)+3O2(g)––––––→2Cr2O3(s)
Express your answer using four significant figures.

2Sr(s)–––––+O2(g)→2SrO(s)
Express your answer using four significant figures.

Answers: 1

Show answers

Another question on Chemistry

Chemistry, 22.06.2019 11:50

Which of the following statements about hybrid orbitals is or are true? choose all that apply. choose all that apply. under sp2 hybridization, the large lobes point to the vertices of an equilateral triangle. after an atom undergoes sp hybridization there is one unhybridized p orbital on the atom. the angle between the large lobes of sp3 hybrids is 109.5∘

Answers: 2

Answer

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

Answer

Chemistry, 22.06.2019 22:30

Astudent pours 10.0 g of salt into a container of water and observes the amount of time it takes for the salt to dissolve. she then repeats the process using the same amounts of salt and water but this time she slowly stirs the mixture while it is dissolving. the student performs the experiment one more time but this time she stirs the mixture rapidly. the dependent variable in this experiment is: time for salt to dissolve speed of stirring amount of water mass of salt

Answers: 1

Answer

Chemistry, 23.06.2019 04:31

One student said that the investigation was not valid (a fair test). write a plan for the investigation that includes improvements to the method and apparatus

Answers: 1

Answer

You know the right answer?

For each of the reactions, calculate the mass (in grams) of the product formed when 15.00 g of the u...

Questions