Chemistry, 18.08.2019 07:10 aliami0306oyaj0n
An object with a mass of 7.6 g raises the level of water in a graduated cylinder from 25.1 ml to 30.8 ml what is the density of the object
Answers: 2
Chemistry, 22.06.2019 12:20
Achemistry student weighs out 0.306 g of citric acid (h3c6h5o7), a triprotic acid, into a 250 ml volumetric flask and dilutes to the mark with distilled water. he plans to titrate the acid with 0.1000 m naoh solution. calculate the volume of naoh solution the student will need to add to reach the final equivalence point. be sure your answer has the correct number of significant digits.
Answers: 3
Chemistry, 22.06.2019 18:10
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
Chemistry, 22.06.2019 21:30
How many oxygen atoms are there in 3.15 moles of hcl manganese (iv) oxide, mno2
Answers: 2
An object with a mass of 7.6 g raises the level of water in a graduated cylinder from 25.1 ml to 30....
Mathematics, 22.03.2020 23:49
Mathematics, 22.03.2020 23:49
Mathematics, 22.03.2020 23:49
Mathematics, 22.03.2020 23:49
Mathematics, 22.03.2020 23:50
English, 22.03.2020 23:50
Chemistry, 22.03.2020 23:50
Mathematics, 22.03.2020 23:50
Mathematics, 22.03.2020 23:51
History, 22.03.2020 23:51
English, 22.03.2020 23:51
Mathematics, 22.03.2020 23:52