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Chemistry, 22.06.2019 06:00
An atom of sodium-23 (atomic number = 11) has a positive charge of +1. give this information, how many electrons does it have? how many proteins and neutrons does this atom have
Answers: 2
Chemistry, 22.06.2019 10:40
Which buffer would be better able to hold a steady ph on the addition of strong acid, buffer 1 or buffer 2? explain. buffer 1: a solution containing 0.10 m nh4cl and 1 m nh3. buffer 2: a solution containing 1 m nh4cl and 0.10 m nh3
Answers: 1
Chemistry, 22.06.2019 12:10
Consider the reaction: n2(g) + o2(g) â 2no(g) kc = 0.10 at 2000oc starting with initial concentrations of 0.040 mol/l of n2 and 0.040 mol/l of o2, calculate the equilibrium concentration of no in mol/l how would this be done?
Answers: 3
Chemistry, 22.06.2019 22:30
What is the value of the standard enthalpy of formation of an element in its most stable form?
Answers: 3
1. Describe the difference between transmission and refraction of waves....
Mathematics, 22.01.2020 06:32
Mathematics, 22.01.2020 06:32
Mathematics, 22.01.2020 06:32
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Mathematics, 22.01.2020 06:32
Mathematics, 22.01.2020 06:32
Mathematics, 22.01.2020 06:32