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For each of the following metal cations that react with a limited amount of aqueous ammonia write the net ionic equations:
Aluminum (III) nitrate, Barium (II) nitrate, Cobalt (II) nitrate, Copper (II) Nitrate, Magnesium (II) nitrate, Manganese (II) nitrate, Lead (II) nitrate, Iron (III) nitrate, Zinc (II) nitrate
Which ones will dissolve in excess aqueous ammonia? Write the net ionic equations for the insoluble metal hydroxides that dissolved in the excess aqueous ammonia.
Calculate individual concentrations in an unknown mixture. Calculate the individual concentrations of C and of D in the following unknown mixture: Compound C: Absorbance at 365nm = 0.150 Absorbance at 470nm = 0.642 Concentration = 1.00 X 10^-4 Com..
System conducts 1.30x10^2 cal heat to srroundings while delivering 316 cal work. What is the change in internal energy of the system (in Cal).
A 1.00 L solution saturated at 25 degrees Celsius with calcium oxalate CaC2O4 contains 0.0061 g of CaC2O4. Compute the solubility-product constant for this salt at 25 degrees Celsius. Ksp =
Identify the oxidizing agent in the chemical reaction 2MnO4? + 5H2SO3 ? 2Mn2+ + 5SO42? + 4H+ + 3H2O. Answers: MnO4? H2SO3 Mn2+ SO42? H+
Find the total pressure for a mixture that contains four gases with partial pressures of 5.38 kPa, 4.52 kPa, 3.16 kPa, and 1.23 kPa.
What is the neutralization reaction for each of the following. which reactant is being oxidized and which is being reduced in each of these two reactions
Complete and balance te following half-reaction. in each case indicate whether the half-reaction is an oxidation or a reduction. 1.Mo^3+(aq)-->Mo(s)(acidic or basic solution)
Why is the C-C bond length in naphthalene C10H8 between the typical single C-C bond length and the typical C=C double bound length
Potash is composed mainly of potassium caronate, K2CO3. If 1.000g of potash reacts with sulfuric acid to produce 145 mL of carbon dioxide gas at STP, what is the % of potassium carbonate in the marble sample
What is the percent dissociation of HNO2 when 0.056 g of sodium nitrite is added to 115.0 mL of a 0.057 M HNO2 solution? Ka for HNO2 is 4.0 × 10-4.
argon gas is ten times denser than he gas at the same temperature and pressure. which gas is predicted to effuse
Complete and balance the following redox equation that occurs in acidic solution using the set of smallest whole-number coefficients. What is the sum of all the coefficients in the equation
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