Consider the concentration of a solution of lactic acid
Consider the concentration of a solution of lactic acid, (HC3H5O3). The pH of the solution was 2.27. Calculate the concentration of the solution? The Kaof lactic acid is 1.4 x 10-4.
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Determine how much ice in grams would have to melt at the lower temperature to 468 ml of water from 39 degrees C. to 2 degrees C. (Suppose the density of water is 1.00 g/ml, the heat of fusion for water at 0 degrees C. is 6.02 kj/mole)
The solution of acetic acid (HC2H3O2) on a laboratory ridge was of undecided concentration. If the pH of the solution was given 2.81, determine the original concentration of the acetic acid?
The movie theater has the seating capacity of 349. If total ticket sales was $ 2542, Find number of children, students, and adults attended?
Calculate the hydronium-ion concentration of a 2.51 x 10-4 M solution of p-bromobenzoic acid, BrC6H4COOH, for which Ka = 1.00 x 10-4?
She puts twice as much in lower-yielding account as it is less risky. Her annual interest is 6656 dollars. How much did invest at every rate?
The mass of a tennis ball is 57.0 g, and the ball is usually in contact with the tennis racquet for 30.0 ms , with the ball beginning from rest. Draw a free-body diagram of the tennis ball throughout the serve. Prepare a free-body diagram of the t
The block of wood floats in fresh water with 0.596 of its volume V submerged and in oil with 0.855 V submerged. Determine the density of (i) the wood and (ii) the oil.
Determine the pH become if 20.% of the carbonic acid molecules are transformed to the bicarbonate ions?Determine the pH become if 18% of the bicarbonate ions are transformed to carbonic acid?
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What types of unconscious or implicit bias might be present? How could they shape people's actions, decisions, or access to resources?
Identify factors that lead to poor performance in STEM by most schools. How can INSET programs be used to improve teacher's pedagody in STEM?
In this week's video, what stood out the most to me was how clearly research separates what "looks helpful" from what actually works.
Problem: Re-word but keep the same content - Social pedagogy is evident in schools through a strong focus on relationships,
Describe a social condition in your community or the community of someone you know. How did that social condition motivate active citizens to exercise
Please provide a response with APA citations and references to "When we talk about stigma related to people with psychological disorders
Communication, creativity and decision-making skills are essential to daily life. In this course, you learned about the development of language