Identify the compound-equilibrium
Identify the compound(s) that act as acid(s) in the following equilibrium:
NH4+ (aq) + CN- (aq) NH3 (aq) + HCN (aq)
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Hugo Reyes Company had the following account balances at year-end: Cost of goods sold $70,040; Merchandise inventory $22,410; Operating expenses $29,790; Sales $119,827; Sales discounts $1,580; and Sales returns and allowances $1,910.
Question: You have a prepared buffer solution from benzoic acid, and its conjugate sodium benzoate. Ka = 6.3 x 10^-5 for B.A. If you have 750 mL of a .125M benzoic acid solution and add 19.5 G of sodium benzoate. what is the result buffer pH?
What will be the osmotic pressure of a solution when 4.5 x 10-5 mol of a solute is dissolved in 152.0 mL of solution at 300.0 K? R = 0.08206 Latm/molK
When the object is pulled down and released, the band vibrates at a frequency of 2.08 s-1. Calculate the spring constant of this silicone band including units.
Identify the compound(s) that act as acid(s) in the following equilibrium: NH4+ (aq) + CN- (aq) NH3 (aq) + HCN (aq)
If 1.0 volumes of 1.0 M solutions of sodium hydroxide and lead (II) nitrate are mized how many moles of product are produced?
If 4.00 ml of 0.0250 M CuSO4 is diluted to 10.0 ml with pure water what is the molar concentration of the copper (II) sulfate in the diluted solution ?
A company will be only as effective as the driving force behind it. Establishing a vision is important for any organization as it sets a roadmap for success. A mission statement reflects the goals and purpose of a company.
A simple cubic unit cell is composed of identical spherical particles with a diameter of 75 pm. What is the volume of the unit cell?
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