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A ALEKS - Paige Porter - K
Initial Knowledge Check
Que...
Chemistry, 30.07.2021 19:30 shellxavier1
A ALEKS - Session Closed
x
A ALEKS - Paige Porter - K
Initial Knowledge Check
Question 6
A chemist weighed out 87.1 g of sodium. Calculate the number of moles of sodium she weighed out.
Round your answer to 3 significant digits.
Answers: 2
Chemistry, 21.06.2019 13:00
Note the ph and poh values labeled with letters on the ph scale below. based on log rules and the way ph is calculated, what is the difference in [oh– ] concentration between point a and point b. a) 10^1 b) 10^5 c) 10^6 d) 10^7
Answers: 1
Chemistry, 22.06.2019 19:00
A4.86 g piece of metal was placed in a graduated cylinder containing 15.5 ml of water. the water level rose to 17.3 ml. what is the density of the metal. i need the steps of how to solve it to so i can use a formula to work out other problems.
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
Mathematics, 26.08.2020 19:01
Physics, 26.08.2020 19:01
English, 26.08.2020 19:01
History, 26.08.2020 19:01
Mathematics, 26.08.2020 19:01
English, 26.08.2020 19:01
English, 26.08.2020 19:01