Answers: 3
Chemistry, 21.06.2019 19:30
How many molecules of sucrose c12h22o11 are there in 454 grams of sucrose
Answers: 1
Chemistry, 22.06.2019 00:30
Maria wants to determine which type of disinfectant kills the most bacteria. which of the following is the best way for maria to determine this? a. ask ten different companies that make disinfectants which type is best. b. put the same amount and species of bacteria on ten identical plates, and add ten different kinds of disinfectant to each plate. c. interview ten different people to determine which type of disinfectant they prefer. d. put the same amount and species of bacteria on ten identical plates, and add a different disinfectant to each plate.
Answers: 1
Chemistry, 22.06.2019 06:00
Calculate - analysis of compound composed of iron and oxygen yields 174.86 of fe and 75.14g of o. what is the empirical formula for this compound?
Answers: 3
Chemistry, 22.06.2019 14:00
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
Reaction
a chemical reaction that has the general formula of ab - a + b is best classified as...
a chemical reaction that has the general formula of ab - a + b is best classified as...
Mathematics, 05.01.2022 19:40
SAT, 05.01.2022 19:40
Mathematics, 05.01.2022 19:40
Mathematics, 05.01.2022 19:50
Mathematics, 05.01.2022 19:50
Mathematics, 05.01.2022 19:50
Biology, 05.01.2022 19:50
Mathematics, 05.01.2022 19:50
English, 05.01.2022 20:00