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In group 16 since, the electronegativity decreases so tendency to exhibit -2 oxidation state decreases as we go down the group. why this is so?
How electronegativity and oxidation state link with each other.
A quantity of 500 J of energy is delivered to one mole of each ofthe following gases at 298K and the same fixed volume: Ar,CH4, H2.Q- Which gas will have highest rise in temperature. Will rate for sure
Urea (NH2)2CO is prepared by reacting ammonia with carbon dioxide. The byproduct is water. 637.2 g of ammonia are reacted with 787.3 g of carbon dioxide. Which of the two reactants is a limiting reactant.
Depict Fischer projection formulae of all stereoisomers of 3, 4-Dimethylhexane noting all the pairs of diastereomers and enantiomers
how much heat (in KJ) is required to warm 10g of ice, initially at -10 degree celsius, to steam 110 degree celsius?
Choose the answer in which the two atoms are listed in order of increasing ionization energy (smallest ionization energy listed first).
A sugar-water mixture contains 45.8 g of sugar and 108.5 g of water. What is the percent by mass of sugar and the percent by mass of water in the solution?
Calculate pFe2 at each of the following points in the titration of 25.00 mL of 0.02090 M Fe2 by 0.03506 M EDTA at a 5.00 pH:
What is an alternative way to draw this molecule? (include the resulting formal charge on the Nitrogen, please)
Question- The salt ammonium nitrate can follow three modes of decomposition: (a) to HNO3(g) and NH3(g), (b) to N2O(g) and H2O(g), (c) to N2(g), O2(g) and H2O(g). Calculate Gibbs rxn for each mode of decomposition at 298 K. I have A) 94.0 kJ B)-169..
Erbium metal (Er) can be prepared by reacting erbium(III) fluoride with magnesium; the other product is magnesium fluoride. Write and balance the equation for the reaction.
gold can be hammered into extremely thin sheets called gold leaf. if a 1.00-g piece of gold density 19.32 gcm3 is
Fill in the missing mass number and atomic number for each of these particles or types of radiation
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