Discuss the ph at the equivalence point in the titration
Calculate the pH at the equivalence point in the titration of 50 mL of .10M methylamine with a 2.0M HCL solution.
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Two workers hold a heavy pail. Its mass is unknown. One worker exerts a 220N force at 137 degrees from vertical. The other worker exerts a 170N force. What is the weight of the pail?
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A Rolaids tablet contains calcium carbonate to neutralize stomach acid. If 44.55 mL of 0.448 M hydrochloric acid is required to neutralize one tablet, how many milligrams of calcium carbonate are in a rolaids tablet?
What is the y-component of the magnetic force on the first particle due to the second?
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State the properties of the cosine function. State the domain and range of f(x) := cos x. Determine all values of x where f(x) is zero (i.e. the x-intercepts).
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When children are able to determine that the same amount of liquid is in two different sized containers, they have mastered
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The range of tasks that are too difficult for the child to master alone but that can be learned with the guidance and assistance of adults
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