HOME WORK:-
An alkene 'A' on ozonolysis gives a mixture of ethanal and pentan-3-one.
Write st...
Answers: 2
Chemistry, 22.06.2019 14:00, hammackkatelyn60
The content of manganese (mn) in steel was determined spectrophotometrically and with the use of the standard addition method. an unknown sample of mn from a digested steel sample gave an absorbance of 0.185 when analyzed spectrophotometrically. when 5.00 ml of solution containing 95.5 ppm mn was added to 50.0 ml of the unknown steel solution (digested sample), the absorbance was 0.248. calculate the concentration, in parts-per-million (ppm), of mn in the digested steel sample solution.
Answers: 3
Chemistry, 22.06.2019 16:00, hjgjlgkjg
Inside a flashbulb, oxygen surrounds a thin coil of magnesium. when the flashbulb is set off, a chemical reaction takes place in which magnesium combines with oxygen to form magnesium oxide. which of the chemical equations matches the reaction above? a. mg + o2 mgo2 + energy b. 2mg + o mg2o + energy c. 2mg + o2 2mgo + energy d. mg + o mgo + energy
Answers: 1
Chemistry, 22.06.2019 22:00, cooljariel11
Give more examples of this type of heat transfer:
Answers: 1
Mathematics, 12.01.2021 14:00
Mathematics, 12.01.2021 14:00
Mathematics, 12.01.2021 14:00
Business, 12.01.2021 14:00
Geography, 12.01.2021 14:00
Mathematics, 12.01.2021 14:00