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Answers by Xjtian

Answers by Xjtian
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Two buffers are prepared by adding an equal number of moles of formic acid (HCOOH) and sodium formate (HCOONA) to enough water to make 1.00 L of solution. Buffer A is prepared using 1.00 mol each of formic
answered Aug 3, 2024
5 votes
194k views
Here are summary statistics for randomly selected weights of newborn girls: n = 206, x over-bar = 27.5 hg, s = 6.6 hg. Construct a confidence interval estimate of the mean. Use a 98% confidence level.
answered May 28, 2024
2 votes
121k views
Which of the following do you not need to take into account when you retire? (1 point) a. your monthly expenses b. the cost of living in your city and state c. how much money you have saved in your retirement
answered May 26, 2024
2 votes
102k views
What are the three primary keys to implementing flow? 1) Clear goals 2) Feedback 3) Challenge 4) Motivation
answered Mar 30, 2024
0 votes
95.9k views
Kristian has a family and is very comfortable in his hometown. He wants to work for the government but does not want to move away. Kristian should go into a career in Regulation. National.
answered Feb 14, 2024
3 votes
68.8k views
What is 8 3/4 ÷ 2 7/8 (show ur work)
answered Dec 22, 2023
2 votes
169k views
Sally is planning the school picnic and needs to decide what food vendor to use. She asks 500 students whether they would rather have a taco truck or a fruit smoothie cart. The results of the survey are
answered Sep 1, 2023
2 votes
188k views
3. Given the reaction: C3Hs +5 3 CO2 + 4H2O What is the total nuunber of moles of O2 required to produce 1.5 moles of CO2? A) 1.5 B) 2.5 C) 3.0 D) 5.0
answered Aug 1, 2023
12 votes
98.2k views
Triangle weighs 3 grams Circle weighs 6 grams. Write an equation to represent each hanger. Let x represent the pentagon.
answered Apr 23, 2023
9 votes
8.0k views
Solve by substituton
answered Apr 16, 2023
6 votes
136k views
Solve 2(r+6) =(6+1/3r)​
answered Apr 6, 2023
4 votes
114k views
What is the basic structure of a virus? DNA or RNA surrounded by a cell wall. O A capsid surrounded by a protein coat. A capsid surrounded by an envelope. DNA or RNA surrounded by a cell membrane
answered Jan 28, 2023
8 votes
140k views
A school chorus has 90 sixth grade students and 75 seventh grade students. The music director wants to make groups of performers, with the same combination of sixth and seventh grade students in each group.
answered Dec 10, 2022
7 votes
186k views
Simplify 27- 9+(12-5)÷4 with solution ​
answered Sep 7, 2022
4 votes
53.7k views
A small distiller evaporates 10 L of water per half hour. Alloy tubing exposed to the air serves a condenser to recover steam. The outside surface of the tubing is at 99C. The ambient temperature is 20C.
answered Aug 11, 2022
5 votes
233k views
2. Find mistakes in the sentences I am usually waking up at 8 am My English are very nice He reads a book now I don't know what to do, but she don't want to eat this soup I am study at school from Mon
answered Jul 16, 2022
3 votes
140k views
Water sources in the Alps are often used for to regulate the level of the North Sea true or false
answered Jul 3, 2022
7 votes
171k views
At a pumpkin stand, Fei bought 3 pumpkins: one large, one medium, and one small. The large pumpkin cost twice as much as the medium one, and the medium pumpkin cost three times as much as the small one.
answered Apr 6, 2022
0 votes
79.9k views
Summarize the key discoveries that have shaped the development of atomic models.
answered Mar 11, 2022
0 votes
128k views
Can someone help me you’re correct me it only let me type one number plz
answered Feb 25, 2022
4 votes
179k views
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