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what is an element with seven electrons in the outer orbit called: metal, halogen, metalloid, noble gas, none of the above?
A solution is prepared by mixing 63.0 mL of 5.00 M HCl and 20.0 mL of 8.00 M HNO3. Water is then added until the final volume is 1.00 L. Calculate [H+], [OH -], and the pH for this solution.
Draw the protonated species, clearly showing where protonation occurs. Draw all possible resonance structures of the conjugate acid of the product, and use these to explain why the product is so much more basic than a typical ester.
How many kJ of energy are released when 10.0 g Al reacts with Fe2O3 as shown in the following equation
a sample of water is examined to have two metals with mcl cd2 and al3. this water can treat with oh and the equilibrium
Place the following molecules and ions in order of increasing bond angle about the central atom, and explain decision
a buffer ph 3.70 was prepared by mixing 1.00 mole of formic acid and 1.00 mole of sodium formate to form an aqueous
When two atoms form a covalently-bonded diatomic molecule, the distance between the nuclei at which the potential energy is at a minimum is called
A packed tower is used to purify a gas containing 4 mole % of H2S. The total inlet gas flow to the tower is 75 kmol/h and the total inlet pure solvent flow to be used to absorb the H2S is 95 kmol /h.
Diagram a thiol cleavage reaction (using expanded structural formula) of butene. Be sure to include all the possible product(s) formed. Name the product(s).
could 131 g of xe gas in a vessel of 1.00 dm3 exert a pressure of 20.0 atm at 25 c if it behaved as a perfect gas? if
spontaneous chemical reactions produce products which are more energetically stable than the reactants which form them. A strong acid reacts with a strong base to produce water and the free ions of a salt.
The heat capacity of a bomb calorimeter is 87.5kJ/K . If 67.2g of methane is combusted under such reaction conditions, what will be the increase in temperature of the calorimeter? Delta E combustion for CH4(g) is -885.4kj/mol.
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