What is the volume in liters of 1.14x1021 molecules NO2 at STP?
(Answer)Liters (3 SF)...
Chemistry, 29.01.2021 09:00 sydchann5220
What is the volume in liters of 1.14x1021 molecules NO2 at STP?
(Answer)Liters (3 SF)
Answers: 3
Chemistry, 22.06.2019 04:00
What three natural resources are found in the great lakes region
Answers: 2
Chemistry, 22.06.2019 10:00
Ahydrogen atom has 1 electron. how many bonds can hydrogen form? a) 1 b) 2 c) 3 d) 4 e) 5
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
Chemistry, 22.06.2019 19:20
For a research project, a student decided to test the effect of the lead(ii) ion (pb2+) on the ability of salmon eggs to hatch. this ion was obtainable from the water‐soluble salt, lead(ii) nitrate, which the student decided to make by the following reaction. pbo(s) + 2 hno3(aq) → pb(no3)2(aq) + h2o losses of product for various reasons were expected, and a yield of 86.0% was expected. in order to have 5.00 g of product at this yield, how many grams of pbo should be reacted? (assume that sufficient nitric acid, hno3, would be used.)
Answers: 1
Engineering, 20.08.2019 19:10
Computers and Technology, 20.08.2019 19:10
Engineering, 20.08.2019 19:10
Engineering, 20.08.2019 19:10
Engineering, 20.08.2019 19:10