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Answers by Zona

Answers by Zona
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Acetic acid is a weak monoprotic acid. Its concentration is 0.20M and its equiLiBrium concentration of H ions is 0.0019M. Calculate its Ka value.
answered Jan 1
5 votes
69.4k views
Solve (2 1/4) base 3. That is solve two whole number one over four times three. Please help me.
answered Oct 30, 2024
3 votes
73.5k views
A monopoly has two production plants with cost functions C₁ = 50 + 0.1Q₁₂ and C₂ = 30 + 0.05Q₂₂. The demand it faces is Q = 500 − 10P. What is the profit-maximizing level of output?
answered Oct 29, 2024
4 votes
5.8k views
A vein that arises from the dorsal venous network of the hand is the
answered May 11, 2024
2 votes
164k views
I need help with this
answered May 1, 2024
4 votes
3.5k views
Because myelination of motor neurons occurs in a cephalocaudal direction, infants ______. a) Develop fine motor skills before gross motor skills b) Develop gross motor skills before fine motor skills c)
answered Apr 20, 2024
1 vote
17.8k views
The wave speed of a transverse wave is 342m/s at 22°C. At 37°C the speed increases to 400m/s. If the frequency increases from 500Hz to 750Hz at each temperature, what is the wavelength at each temperature?
answered Mar 5, 2024
5 votes
204k views
Average movie prices in the unites States are, in general, lower than in other countries. it would cost $77.94 to buy three tickets in Japan plus two tickets in Switzerland. Three tickets in Switzerland
answered Sep 30, 2023
4 votes
147k views
Please Help! PRONTO! Suppose the membership fee was $180. For how many months would this have been? A) 15 B) 18 C) 21 D) 24
answered Jun 23, 2023
3 votes
87.9k views
What is the purpose of air that is released on the surface of an air hockey table?
answered Mar 10, 2023
8 votes
130k views
When did Georgia join the secession? A. When the war started B. Immediately C. After a special convention voted D. Near the end of the war
answered Nov 25, 2022
5 votes
143k views
If you experience stress when making a decision, what should you do? A. Refuse to make the decision because it provides too much stress. B. Use stress management techniques like take a walk, talk to someone,
answered Nov 15, 2022
3 votes
20.7k views
The diagonal of a TV is 26 inches long. Assuming that this diagonal forms a pair of 30-60-90 right triangles, what are the exact length and width of the TV? PLEASE HURRY
answered Sep 24, 2022
2 votes
217k views
10. "He has a car" The nast form of this sentence is... À. He had a car. B. He hasn't have a car. C. He have a car​
answered Aug 25, 2022
4 votes
191k views
How much force is needed to accelerate at 66 kg skier 4m/s^2 ?​
answered May 25, 2022
0 votes
201k views
Math math math math help
answered May 8, 2022
2 votes
37.4k views
How do engineers communicate their design ideas?
answered Apr 21, 2022
4 votes
9.8k views
Problem 4x - 1 = 23 - 2x
answered Apr 20, 2022
10 votes
125k views
Yovani can do 8 math problems in 1 3/5 of a minute. How many problems can he complete per minute?
answered Jan 31, 2022
3 votes
143k views
Maddy and Caitlin spend a certain amount of money from their money box each month to buy bracelet-making supplies. The table shows the relationship between the amount of money (y) remaining in Maddy's
answered Jan 22, 2022
8 votes
169k views
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