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Balance the following reactions. You may have to supplement the reaction with H+, H2O, or OH depending on the reaction conditions. a) Zn (s) + VO2+ (aq) ? Zn2+ (aq) + V3+ (aq) (acidic conditions) b) Zn (s) + VO3- (aq) ? V2+ (aq) + Zn2+ (aq) (acidic conditions) c) Zn (s) + ClO- (aq) ? Zn(OH)2 (s) + Cl- (aq) (basic conditions) d) ClO- (aq) + [Cr(OH)4]- (aq) ? Cl- (aq) + CrO42- (aq) (basic conditions)
determination of the enthalpy for the termal decmmposition of potaassium bicarbonate without ignoring the given mass.
What mass of oxygen (in grams) reacts when 14.2 g of ethanol (CH3CH2OH) are combusted in oxygen to produce carbon dioxide and water
A graduated cylinder contains 10.0 of water. What is the new water level after 36.0 of silver metal is submerged in the water.
Assume that patient blood lead levels are 0.600 mg/L that total blood volume is 5.0 L and that 1 mol of succimer binds 1 mol of lead.
The decomposition of N2O5 in CCL4 is a first order reaction. If 2.56 mg of N2O5 is present initially and 2.50 mg is present after 4.26 minutes at 55 degrees Celsius what is the value of the rate constant K?
A solution contains 8.88g of KBr in 500.0mL of solution and has an osmotic pressure of 6.97atm at 25 C. Calculate the van't Hoff factor (i) for KBr at this concentration.
Do the three staggered/eclipsed conformations of butane have the same ENERGY?
Choose the answer in which the oxide with the formula given is correctly characterized as ionic or molecular.
Compute the ΔH for this reaction and express your answer in kilojoules if the given . Bond Energies (kJ/mol) are N-Cl 201 , Cl-Cl 243 , N-H 389 ,H-Cl 431
A filtration could be very time consuming if it were not aided by a gentle suction which is developed by:
Acetic Acid is a weak acid with a Ka value of 1.8x10^-5. What concentrationof acetic acid is needed to produce a [H+] of 3.5x10^-4?
the activation energy for the isomerization of methyl isonitrile is 160 kJ/mol. Calculate the fraction of methyl isonitrile molecules that has an energy of 160.0 kJ or greater at 500 K.
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