Answers by Sajjad Sarkoobi
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Answers by Sajjad Sarkoobi

Answers by Sajjad Sarkoobi
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Một hỗn hợp X gồm CH3OH; C2H5OH; phenol có khối lượng 28,9 gam phản ứng vừa hết với 100ml dung dịch NaOH 2M. Phần trăm theo khối lượng phenol là ? Biết C = 12; O = 16; H = 1; Na = 23. *
answered Feb 25, 2022
1 vote
75.4k views
Compared to visible light, the wavelength of X-rays is and the frequency is
answered Feb 24, 2022
4 votes
65.7k views
Answer parts (a)and (b) for each closed box below a.what is the surface area of each box? B. What is the volume of each box ii. 6 cm 11 cm 6 cm
answered Dec 1, 2021
3 votes
89.0k views
Brad wants to buy flowers for his friend with 39$. The daisies are $1 each and the roses are $3 each. He buys 3 more dasies than roses. How much did the roses cost?​
answered Sep 1, 2021
5 votes
156k views
In the late 19th century, American farmers supported which of the following? The Granger Movement against the railroads The Republican Party against the Populist Party The protective tariff against free
answered Aug 9, 2021
0 votes
209k views
Write the sum as a product of two factors 27w+15
answered May 27, 2021
2 votes
78.2k views
What was the key component that made the Neolithic revolution a “revolution”?
answered Apr 24, 2021
1 vote
111k views
Which expression has the same value as Negative 18 divided by (negative 9)? Negative 18 divided by 2 Negative 12 divided by (negative 3) Negative 10 divided by 5 Negative 8 divided by (negative 4)
answered Mar 25, 2021
1 vote
91.5k views
An adaptation is a change that a. makes a species become extinct b.helps a species survive c.prevents a species from surviving d.makes a species prettier to look at.​
answered Mar 23, 2021
5 votes
226k views
A football player runs the 40-yard dash (36.58 meters) in 4.43 seconds. If the player starts at rest and uniformly accelerates, A) Calculate the acceleration of the football player. B) Find the final speed
answered Mar 3, 2021
1 vote
27.4k views
At which temperature could air hold the most water vapor?
answered Jan 23, 2021
2 votes
137k views
If a rectangle is altered by increasing its length by 20 percent and its width by 10 percent, its area increases by a percent. What is the value of a? A) 25 B) 28 C) 30 D) 32
answered Jan 6, 2021
2 votes
174k views
Why do we have puberty?
answered Oct 16, 2020
1 vote
112k views
Cell is to cytoplasm as mitochondrion is to
answered Aug 8, 2020
3 votes
225k views
Martha can paint a room in 2 hours.Jamie can paint the same room in 6 hours.How long, to the nearest tenth of an hour, will it take them to paint the room together
answered May 21, 2020
4 votes
55.4k views
Solve for x 12 6√3 5 12.5
answered Mar 12, 2020
2 votes
173k views
The equation above can be used to calculate the volume V, of a pyramid with a height h and base with length l and width w. If the volume of a pyramid is 81inches^3, and l=w=3h, what is the length of the
answered Apr 15, 2019
7 votes
84.8k views
Someone rolls a six sided fair die 5 times. They consider it a success if they have a two or three on a die. Whats the probability of 2 successes? no successes? and at least 3 successes?
answered Jan 11, 2019
6 votes
78.7k views
Truman's first political position was as a _____. 1. Federal judge 2. county judge 3. district attorney
answered Nov 8, 2018
1 vote
105k views
Which research question would be most appropriate for a four- to five-page research paper? A) Are teens that play sports less likely to have jobs at the same time? B) Would cutting extracurricular activities
answered Oct 13, 2018
4 votes
221k views
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