Chemistry, 23.08.2019 22:30 webbhlharryteach

Forty litres of a mixture of methane and nitrogen requires 24 l of pure oxygen for complete combustion. the percentage of methane in the mixture is (a) 40 (b) 25 (c) 30 (d) 60

Answers: 3

Show answers

Another question on Chemistry

Chemistry, 21.06.2019 23:00

Ahypothrticalax type of ceramic material is known to have a density of 2.10 g/cm3 and a unit cell of cubic symmetry with a cell edge length of 0.57 nm. the atomic weights of the a and x elements are 28.5and 30.0 g/mol, respectively. on the basis of this information, which of the following crystal structures is (are) possible for this material: sodium chloride, cesium chloride, or zinc blende

Answers: 1

Answer

Chemistry, 22.06.2019 04:00

The image shows a process that releases nuclear energy which statement best identifies the process shown the process must be fusion because energy is released the process must be fusion because of have your nucleus formed a smaller nuclei the process must be fission because a large nucleus breaks into smaller nuclei the process must be fission because neutrons are formed

Answers: 1

Answer

Chemistry, 23.06.2019 04:20

The equation below shows the reaction of zinc with hydrochloric acid (hcl). zn (s) + 2 hcl (aq) —> zncl2 (aq) + h2 (g) what will happen if the concentration of hcl is decreased? a. more zncl2 will be produced. b. the reaction rate will slow down. c. the hydrochloric acid will become more acidic. d. the reaction will produce water instead of hydrogen gas.

Answers: 1

Answer

Chemistry, 23.06.2019 06:00

Each step in the following process has a yield of 70% ch4 + 4cl2 yield ccl4 +4hcl ccl4 + 2hf yield ccl2f2 + 2hcl of 4.50 mole ch4 reacts what is the total amount of hcl produced

Answers: 3

Answer

You know the right answer?

Forty litres of a mixture of methane and nitrogen requires 24 l of pure oxygen for complete combusti...

Questions