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Q1.What are diatomic molecules?
Q2.What are homonuclear or heteronuclear diatomic molecules?
Q3.Name the gases that form stable homonuclear diatomic molecules.
Q4.Which are monatomic gases?
Q5.What are elemental gases?
Q6.How many electrons are present in outer shell of sodium atom?
Q7.What happens when sodium metal reacts with a non metal?
Q8.How sodium atom becomes sodium ion?
Q9.How many electrons and protons are present in sodium ion?
Q10.What is the sign on sodium ion?
How were atomic masses for the elements determined?
What is the change in internal energy (in J) of a system that absorbs 0.836 kJ of heat from its surroundings
Give the order of colors in a rainbow from shortest wavelength to longest wavelength and provide approximate numeric values for the highest
Rank the solutions from the highest to lowest pH.
Problem- Draw out a curved arrow electron pushing mechanism for oxone epoxidation when oxone reacted with acetone, trans-anethole, and solid pure NaHCO3. Also, please label the reactant and product. Thank you!
Calculate the mass percent composition of carbon in each the following carbon compounds. C4H10 C6H10 C8H13O5N
How many moles of H+ are in 1.000 mL of the aqueous 2.500 molar HCl solution mentioned above? What is the normality of solution mentioned above? How many H+ ions are present in 1.000 mL of this solution?
A 4.50-g sample of LIL at 25.oC dissolves in 25.0 mL of water also at 25.0C. The final equilibrium temperature of the resulting solution is 60.8C. What is the enthalp of solution of LICL expressed in kilojoules per mole?
A spaceship's maneuvering engine burns hydrogen and oxygen. Hydrogen is to delivered to this engine at 1.1atm pressure and 1500l required for a planned maneuver. What pressure must the holding tank be charged with if its volume is 40l? assume the ..
At 2000C Kc is 2.4^3 for 2NO N2+O2, the initial concentration of NO is .170M what is the equilibrium concentration of NO?
Indicate which layer( aqueous or organic) each component in the reaction will mainly reside in ( for both products and reactants ) for all the following three reactions: (1)Show the reaction of 1-naphthylamine hydrochloride with sodium hydroxide.
Simplest and most informative way to characterize a carboxylic acid is to determine its neutralization equivalent. The number of carboxyl group in the molecule of the following compound is 1.
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