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A sample of an unknown compound has a percent composition of 52.14% carbon, 13.13% hydrogen, and 34.73% oxygen. Which compounds could the sample be? CH3CH3CH2O2 C2H5OH C4H10O2 C4H12O2 CH3CH3CH2OOH
answered
Nov 18, 2021
Chemistry
middle-school
5
votes
229k
views
Wheel and axle is also called a continuous lever
answered
Nov 16, 2021
Physics
college
4
votes
148k
views
FLUID MASS (8) 010 VOLUME (mL) DENSITY (g/mL) Water 100 100 100 1356 Mercury 1355 100 Motor oil 90 100 100 140 Honey 80 100 Rubbing Alcohol
answered
Aug 24, 2021
Chemistry
middle-school
3
votes
53.5k
views
What does Morale mean? A.) Attitude b.) family c.) work ethic
answered
Aug 13, 2021
English
middle-school
4
votes
117k
views
Calculate the ΔG°rxn using the following information at 298K. 2 HNO3(aq) + NO(g) → 3 NO2(g) + H2O(l) ΔG°rxn = ? ΔH°f (kJ/mol) -207.0 91.3 33.2 -285.8 S°(J/mol∙K) 146.0 210.8 240.1 70.0 Calculate the ΔG°rxn
answered
Jun 10, 2021
Chemistry
college
5
votes
204k
views
The graph below shows the relationship between the number of months different students practiced baseball and the number of games they won: The title of the graph is Baseball Games. On x axis, the label
answered
Jun 6, 2021
Mathematics
middle-school
2
votes
218k
views
Which of the following is not an impact of wildfires? a none of the above b erosion c air pollution d water pollution
answered
Apr 8, 2021
Biology
high-school
6
votes
141k
views
What is 4x2 + 2x - 7 = 0
answered
Mar 16, 2021
Mathematics
high-school
5
votes
32.4k
views
A probability/impact matrix or chart lists the relative probability of a risk occurring on one side of a matrix or axis on a chart and the relative impact of the risk occurring on the other. A. True B.
answered
Jul 29, 2020
Mathematics
high-school
3
votes
193k
views
Read the excerpt below and answer the question. His name was Enoch and his father was the priest of the snake cult. The story went that Enoch had killed and eaten the sacred python, and that his father
answered
Jul 2, 2020
English
middle-school
5
votes
117k
views
5) From an environmental perspective, it is important to ensure that radioactive materials are stored properly, because radioactive samples: a) can be in liquid, solid or gas forms b) once they are leaked
answered
Jun 15, 2020
Chemistry
high-school
3
votes
192k
views
Find the slope of the line(s)
answered
May 2, 2020
Mathematics
high-school
6
votes
177k
views
Which of the following represents "eight times the difference of a number and seventeen is thirty"? A: 8N - 17 = 30 B: 8(N - 17) = 30 C: 8N - 17N = 30
answered
Apr 22, 2020
Mathematics
college
7
votes
120k
views
A TV costs £800 plus a VAT if 20% What us the total cost of the TV?
answered
Aug 20, 2019
Mathematics
high-school
3
votes
175k
views
Valence is the number of electrons and atom must gain or lose it ordered to its outer energy level or have a stable octet
answered
Jul 3, 2019
Biology
middle-school
5
votes
65.7k
views
65000 people watched a footbal match between leeds and chelsea. 42000 were chelsea fans. what fraction were leeds fans
answered
Jun 28, 2019
Mathematics
middle-school
7
votes
223k
views
I need chemistry help! How would I set up these problems?
answered
Apr 26, 2019
Chemistry
middle-school
0
votes
111k
views
8th grade math question need an answer asap
answered
Mar 24, 2019
Mathematics
middle-school
2
votes
158k
views
The sum of 17 and diffrence of 5
answered
Dec 10, 2018
Mathematics
middle-school
5
votes
227k
views
Being a thief is deviant. True or False
answered
Oct 26, 2018
Advanced Placement (AP)
high-school
2
votes
27.5k
views
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