Chemistry, 27.01.2022 08:10 lizzyhearts
what is the molar concentration of a solution prepared by adding 250ml of 3.00mol/l hydrochloric acid to 750ml of water
Answers: 1
Chemistry, 22.06.2019 00:10
Which of the following best describes the formation of plasma?
Answers: 1
Chemistry, 22.06.2019 20:20
Nitric acid can be formed in two steps from the atmospheric gases nitrogen and oxygen, plus hydrogen prepared by reforming natural gas. in the first step, nitrogen and hydrogen react to form ammonia: (g) (g) (g) in the second step, ammonia and oxygen react to form nitric acid and water: (g) (g) (g) (g) calculate the net change in enthalpy for the formation of one mole of nitric acid from nitrogen, hydrogen and oxygen from these reactions. round your answer to the nearest .
Answers: 3
Chemistry, 23.06.2019 02:50
For questions 1 and 2, consider the following experimental data.hydrogen emission lines were detected at the following wavelengths (in nm): 121.6102.697.395.093.8question 1use the electromagnetic radiation classifications below and figure 1-1 in the introductory information for this lab (in the lab manual) to determine the nf value for the experimental data provided? wavelength, ? (nm) 650 700 550 600 400 450 500 visible spectrum wavelength, ? (m) 11 10 3 10 10 10 8 10 5 10 10 -10 10 9 10 10 10 10 -12 10 microwave radio infrared x-ray ultraviolet gamma 1020 1019 1018 1 1016 015 1014 01 12 109108 frequency, v (hz)a.1b. 2c. 3d. 4e. 5question 2using the data for the emission line with the longest wavelength, the known value of nf (from question 1 in this prelab), and the value of ni (deduced from the ? and nf values) calculate the rydberg constant for hydrogen (rh) in units of m-1.a) 1.097 x 10-11 m-1b) 5.921 x 107 m-1c) 1.097 x 10-2 m-1d) 9.252 x 106 m-1e) 1.097 x 107 m-1
Answers: 3
what is the molar concentration of a solution prepared by adding 250ml of 3.00mol/l hydrochloric aci...
Mathematics, 13.12.2021 01:00
Mathematics, 13.12.2021 01:00
English, 13.12.2021 01:00
Mathematics, 13.12.2021 01:00
Mathematics, 13.12.2021 01:00
World Languages, 13.12.2021 01:00
Chemistry, 13.12.2021 01:00
Mathematics, 13.12.2021 01:00
History, 13.12.2021 01:00
History, 13.12.2021 01:00
Geography, 13.12.2021 01:00
Mathematics, 13.12.2021 01:00
History, 13.12.2021 01:00
Mathematics, 13.12.2021 01:00