Explain how much cu is plated out on the cathode
A current of 25.0 amps was maintained for 20 minutes through asolution containing excess Cu2+. How much Cu ( in grams)is plated out on the cathode?
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A mixture of 100 g of K2Cr2O7and 200 g of water is stirred at 60°C until no more of the salt dissolves.The resulting solution is poured off, leaving the undissolved solid behind.
To what two classes of compounds can primary alcohols be oxidized?What determines which product results from such an oxidation?
Compare the relative reducing strengths of LiAlH4 and NaBH4. What functional groups are reduced by each?
A parallel line passes through the origin. What is the equation of this line? A perpendicular line passes through the point (0,7). What is the equation of this line?
The helium neon lasers usually used in classrooms typically provide an intensity of about 1m/W/mm^2. What are the rms electric and magnetic fields for such a beam.
A vibration in a beam caues the load to sway up and down 2.8 inches 24 tmes in a minute. when (in s) does the deflection first reach 1.0 inch below equilibrium?
A 30-foot ladder is leaning up against a roof that is 20 feet above the ground. How far from the building is the foot of the ladder? What is the angle between the ladder and the ground?
Why were the relative intensities of an element's spectral line not all the same?
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In the context of training programs, how do formative and summative evaluations work together to enhance training programs?
Does the use of invented spelling hinder a child's progress? How could Mrs. Seidel respond to these parents?
Evaluate how the training is described in the cases provided for the transfer of training. Support your evaluation with references to each case.
A well-developed proposal will garner success with use of funds as clear identification of the problem and solution allow for others to understand the impact.
What do you think are the risks of keeping the one- child policy. Why Chinese people in urban areas and Chinese people in rural areas have different opinions
discuss three lessons you have learned from this course about the historical development of education, laws regarding education
Explain how you guided students to use the rubric to self-assess and to give feedback to their peers via peer-assessments.