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1. Consider the solubility rules and identify all of the spectator ions when the following chemicals react: A) lead (II) nitrate and ammonium chloride B) Barium bromide and potassium carbonate. You must show all work (equations) clearly and in detail.
2. The sour crystals on some gummi candies are actually organic acid crystals. What is the acid's empirical formula if it is made of 37.51% carbon, 4.20% hydrogen, and 58.29% oxygen? You must show all work clearly and in detail.
The hydrogen gas generated is collected over water at 25.0°C. The volume of the gas is 295 mL measured at 1.00 atm. Calculate the number of grams of sodium used in the reaction. (Vapor pressure of water at 25°C = 0.0313 atm.)
Based on the sign of E°cell, classify these reactions as spontaneous or nonspontaneous as written. Assume standard conditions. Al3+(aq) + 3Na(s) ---->Al(s) +3Na+(aq) 3Fe2+(aq)+2Cr(s)---->3Fe(s)+2Cr3+(aq) Zn2+(aq) + Sn(s)---->Zn(s) + Sn2+(aq)
Calculate the standard emf of a cell that uses the Mg/Mg2+ and Cu/Cu2+ half-cell reactions at 25°C
You have at hand solid potassium hydroxide, sodium hydrogen carbonate, water, sand, and concentrated hydrochloric acid. Which of these should you sprinkle or pour onto the spill to neutralize it? Explain.
What is the theoretical yield of Ammonia if 14.29g of N and 10.85g of H are allowed to react?
What volume of 6.00 M sodium hydroxide in milliliters must be diluted to 220.0 mL to make a 1.50 M solution of sodium hydroxide
How many molecules (not moles) of NH3 are produced from 1.52×10?4g of H2?
What's the volume of pure hydrogen present in a sample of 55.0 mL of gas saturated with water vapour at 27 °C, if the total pressure is 104.8 kPa?
In a carbonate buffer at pH 7.3; what species of carbonate form the buffer, What are the relative amounts, and does the buffer have a greater capacity to neutralize added acid or added base explain all.
You have given some solutions as A. O.6MNH3 b. 0.150MKOH c. 0.100M Ba(OH)2 you just need to determine that which of the given solution is the most basic also give explanation for your answer?
What mass (in grams) of solid KCl would need to be added to 500 grams of water to make an ideal solution with a boiling point
If 18.4 mL of 0.800 M HCl solution are needed to neutralize 5.00 mL of a household ammonia solution, what is the molar concentration of the ammonia?
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