subject
Chemistry, 15.02.2021 16:40 neriah30

read carefully and do this questions all part all question if someone do this question I will make you and give you thanks


read carefully and do this questions all part all question if someone do this question I will make

ansver
Answers: 1

Other questions on the subject: Chemistry

image
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
image
Chemistry, 22.06.2019 18:10, pearfam98
Given the following at 25c calculate delta hf for hcn (g) at 25c. 2nh3 (g) +3o2 (g) + 2ch4 (g) > 2hcn (g) + 6h2o (g) delta h rxn= -870.8 kj. delta hf=-80.3 kj/mol for nh3 (g), -74.6 kj/mol for ch4, and -241.8 kj/mol for h2o (g)
Answers: 1
image
Chemistry, 23.06.2019 09:00, MrKrinkle77
Individuals within populations exhibit some diversity. as a result of possessing slightly different traits, some individuals are better able to survive and reproduce than others. if these individuals changes in the characteristics of the population may occur over time. the cumulative change in these characteristics is known as
Answers: 3
image
Chemistry, 23.06.2019 13:00, journeyburks07
The gram molecular mass or co2 is the same as the gram molecular mass of
Answers: 2
You know the right answer?
read carefully and do this questions all part all question if someone do this question I will make y...

Questions in other subjects: