10 answers
PLEASE HELPI know it is not A and B
PLEASE HELP I know it is not A and B [tex]PLEASE HELP I know it is not A and B[/tex]...
3 answers
M A solution is prepared by dissulving 4.3829 g of g barium hydroxide in 500.0 mL volumetric flask and diluting it to the calibration
M A solution is prepared by dissulving 4.3829 g of g barium hydroxide in 500.0 mL volumetric flask and diluting it to the calibration mark. Calculate the: Ba(OH)2 i) Normality of the Ba(OH)2 solution. (0.1024) ii) Concentration (ppm) of OH-ion in the solution. (4 marks) did someone know how todo q...
4 answers
You have been tasked to give a report about the differences in the Bohr Model v. Quantum Mechanical Model of the atom. Describe the
You have been tasked to give a report about the differences in the Bohr Model v. Quantum Mechanical Model of the atom. Describe the 5 main differences between the Bohr Atom Model and the Quantum Mechanical model....
4 answers
If the reaction releases 9.89 kJ of energy, what is the enthalpy of reaction, in kJ/mol ZnS?4.68 g ZnS formed0.0480 mol ZnS formed__
If the reaction releases 9.89 kJ of energy, what is the enthalpy of reaction, in kJ/mol ZnS? 4.68 g ZnS formed 0.0480 mol ZnS formed __ kJ/mol ZnS...
3 answers
Why is it necessary for the spins of two electrons that occupy one orbital, to be in the opposite directions? What is that law called?
Why is it necessary for the spins of two electrons that occupy one orbital, to be in the opposite directions? What is that law called?...
4 answers
You have been tasked to give a report about the differences in the Bohr Model v. Quantum Mechanical Model of the atom. Describe the
You have been tasked to give a report about the differences in the Bohr Model v. Quantum Mechanical Model of the atom. Describe the 5 main differences between the Bohr Atom Model and the Quantum Mechanical model....
10 answers
Complete the reaction below and balance the equation
Complete the reaction below and balance the equation [tex]Complete the reaction below and balance the equation[/tex]...
3 answers
What is the speed of each vehicle? (Remember S=d/t)A: 10 km/h, B: 5 km/hA:5 km/h, B: 2 km/hA: 20 km/h, B: 10 km/hA: 50 km/h,
What is the speed of each vehicle? (Remember S=d/t) A: 10 km/h, B: 5 km/h A:5 km/h, B: 2 km/h A: 20 km/h, B: 10 km/h A: 50 km/h, B: 40 km/h [tex]What is the speed of each vehicle? (Remember S=d/t) A: 10 km/h, B: 5 km/h A:5 km/h, B: 2 km/h A:[/tex]...
3 answers
2 The name of CICH -CH-CH2OH is A. 1 Chloro propan-3-01 B. 3 chloro propan-1-01 C. 1-chloro propanol D. 3 chloro propanol
2 The name of CICH -CH-CH2OH is A. 1 Chloro propan-3-01 B. 3 chloro propan-1-01 C. 1-chloro propanol D. 3 chloro propanol...
4 answers
Convert the Fe2O3 (3.79 wt%) and FeO (7.13 wt%) in the basalt to FeO*
Convert the Fe2O3 (3.79 wt%) and FeO (7.13 wt%) in the basalt to FeO*...
3 answers
Consider the following reversible reaction.2H2O(g) + 2H2(9)+O2(g)
Consider the following reversible reaction. 2H2O(g) + 2H2(9)+O2(g) [tex]Consider the following reversible reaction. 2H2O(g) + 2H2(9)+O2(g)[/tex]...
3 answers
Write a balanced equation formed when the following elements react with oxygen:a)Zincb)Carbon c)Sulphur d)Calcium e)Magnesium f)SodiumPlease
Write a balanced equation formed when the following elements react with oxygen:a)Zinc b)Carbon c)Sulphur d)Calcium e)Magnesium f)SodiumPlease help me. If possible explain....
4 answers
What is exothermic reaction ? is there any Indian who learning in class 10 th like to me became a good friend ,
what is exothermic reaction ? is there any Indian who learning in class 10 th like to me became a good friend ,...
3 answers
Which compounds were classified as organic compounds according to the early chemists
Which compounds were classified as organic compounds according to the early chemists...
4 answers
Consider the following reversible reaction.2H2O(g) + 2H2(g)+O2(g)What is the equilibrium constant expression for the given system?[H20]o
Consider the following reversible reaction. 2H2O(g) + 2H2(g)+O2(g) What is the equilibrium constant expression for the given system? [H20] o Keg- [Hz][02] [H2012 o Kegt [H2]2[02] o Keg [Hz]?[02] [H20] o Koa- TH₂01² [Hz]?[02] Mark this and return Save and Exit Next...
2 answers
1. …… + NaOH à NaNO3 + …….2. KOH + …….. à…… + K2SO43. Fe(OH)3 …… + ……...4. Fe(OH)2 + …. à FeCl2 +
1. …… + NaOH à NaNO3 + ……. 2. KOH + …….. à…… + K2SO43. Fe(OH)3 …… + ……...4. Fe(OH)2 + …. à FeCl2 + …..5. ….. + Ca(OH)2à Ca(HCO3)26. Ca(OH)2 + ….. à CaCO3+ ….7. Zn(OH)2 …. + ……8. Mg(OH)2 + ….. à MgSO4 + 9. Ba(OH)2 + ….. à Ba(HSO3)210. Ca(OH)2+ …....
4 answers
3) Assuming an initially impure sample of acetaminophen, would you expect its melting point to change upon a successful recrystallization?
3) Assuming an initially impure sample of acetaminophen, would you expect its melting point to change upon a successful recrystallization? If so, how so? Otherwise, why not?....