A 500 ml sample of 0155 m hno2aq is titrated with 0100 m
A 50.0 mL sample of 0.155 M HNO2(aq) is titrated with 0.100 M NaOH(aq). What is the pH of a solution after the addition of 25.0 mL of NaOH? (Ka of HNO2 = 4.5 ´ 10-4)
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A water balloon is thrown horizontally at a speed of 2.0 m/s from the roof of a building that is 6.00 m above the ground. Determine which balloon hits first and how much sooner it hits the ground than the other balloon
A volume of 25.0 mL of 0.100 M C6H5CO2H(aq) is titrated with 0.100 M NaOH(aq). What is the pH after the addition of 12.5 mL of NaOH. (Ka of benzoic acid = 6.3 ´ 10-5)
In 1993, Javier Sotomayor set a world record of 2.45 m in the men's outdoor high jump. He is 193 cm tall, determine his takeoff speed
How much work is done by a pump to slowly compress, isothermally, 4.80L of nitrogen at 0 degree celcius and 1.60 atm to 2.40L at 0 degree celcius
A 50.0 mL sample of 0.155 M HNO2(aq) is titrated with 0.100 M NaOH(aq). What is the pH of a solution after the addition of 25.0 mL of NaOH. (Ka of HNO2 = 4.5 ´ 10-4)
A 25.0 mL sample of 0.400 M NH3(aq) is titrated with 0.400 M HCl(aq). What is the pH at the equivalence point. (Kb of NH3 = 1.8 ´ 10-5)
Find the equilibrium constant for the reaction- A(g) + B(g)--> 2C(g) at 25C when k equals 1.4 x 10^-12 M^-1S^-1 for the reaction A(g) + B(g)-->2C(g) at 25C and k equals 2.7 x 10^-13 M^-1S^-1 for the reaction: 2C(g)-->A(g) + B(g) at 25C.
What is different about high-tech industries? Were all industries high tech?
Calculate the pH of a 3.92×10^-3 M solution of H2SO4. (Ka = 0.0120 for HSO4-) 3-In a 4.66×10^-2 M solution, a monoprotic acid, is 20.4% dissociated. Calculate Ka for this acid
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1. How to deal with compassion fatigue and burnout. 2. How to promote your own mental, physical, and spiritual health.
Submit an essay letter to the Radiography program stating why you chose the field of Diagnostic Radiography.
Reflect on the role of sports culture in shaping extreme fandom behaviors. Sports fandom often involves strong emotional investments
Is executory arbitration legal? Are there any circumstances under which such an agreement might not be enforceable?
You are going to compare and contrast the advantages and disadvantages on based shipping container, a wood-based shipping container and a plastic-based shipping
What is revealed about human nature (from Genesis 1-2)? What are the consequences of the fall for human nature (from Genesis 3)?
Explain the following ethical considerations in a minimum of 150 words. What steps will you take to protect your participants from harm?