Answers by Fred Wu
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Answers by Fred Wu

Answers by Fred Wu
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Aldehydes and ketones react reversibly with two equivalents of alcohol in the presence of an acid catalyst to give acetals. Alcohols are poor nucleophiles, and so protonation of the carbonyl oxygen is
answered Oct 23, 2021
3 votes
17.6k views
Why Might Madison have been reluctant to Declare war Helppp plzzzzz
answered Sep 12, 2021
2 votes
117k views
What is the slope of the line in the graph?
answered Jul 17, 2021
3 votes
206k views
Please help, I need input on if I did this correctly and you just substitute. I have the function h(t) = -16t^2 + 15t + 6.5 t equals 15/32. If you substitute 15/32 for t, what do you get? Any help is appreciated,
answered Jul 17, 2021
1 vote
79.4k views
What is photosynthesis?
answered Jul 9, 2021
3 votes
116k views
What did Stephen Douglas propose that helped pass the compromise of 1850
answered May 1, 2021
5 votes
192k views
Need help on my math!!!!!!
answered Apr 19, 2021
2 votes
41.4k views
El verbo 'ir' Complete the sentence with the correct form of the verb. ¿Adónde _____ tú? * Mi mamá y yo _____ de compras. * Los perros _____ al parque a correr. * Yo _____ al cine con mis amigos. * ¿_____
answered Feb 13, 2021
3 votes
45.0k views
An oak tree is 1.5×103 centimeters tall. Which unit of measurement is most appropriate to measure this height? kilometers feet inches millimeters
answered Jan 17, 2021
6 votes
17.8k views
This graph relates the area of a face of a cube to the surface area of that cube. Surface Area of Cubes  Which ordered pair is also on the line relating the area of a face of a cube and the surface area
answered Jan 3, 2021
1 vote
61.3k views
Stephanie runs three days a week. She ran 3 2/3 miles on Monday , 4 1/5 miles on Wednesday , and 2 2/9 miles on Friday. How many miles did she run this week ?
answered Nov 11, 2020
4 votes
35.2k views
What are 3 properties of an ionic bond
answered Oct 11, 2020
5 votes
161k views
What Did Andrew Jackson to the native Americans living in the southeastern United States ?
answered Aug 27, 2020
1 vote
121k views
Find the solution(s) to the system of equations represented in the graph. Linear graph and circle. They intersect at negative 3, 0 and 0, 3 (0, 3) and (3, 0) (0, 3) and (−3, 0) (0, −3) and (3, 0) (0, −3)
answered Jul 4, 2020
4 votes
173k views
Which group of words is a phrase in the sentence Put the book on the shelf.
answered Jul 13, 2019
4 votes
143k views
It’s is important to shop around for credit because banks and financial institutions
answered May 14, 2019
0 votes
103k views
A group of 20 dogs are at the dog park. Fourteen of the dogs have an average weight of 45 pounds. The remaining dogs have an average weight of 20 pounds.
answered May 9, 2019
0 votes
134k views
In the south after reconstruction, what did the democratic party use to prevent african americans from having a meaningful impact on the outcome of elections?
answered Mar 19, 2019
4 votes
227k views
How is etching similar to drawing?
answered Dec 25, 2018
2 votes
169k views
How do birds and bees help with cross-pollination?
answered Dec 21, 2018
7 votes
53.5k views
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