Answers by Rehanna
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Answers by Rehanna

Answers by Rehanna
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Is condensation of ethanol a physical change or a chemical change
answered Sep 16, 2021
2 votes
23.6k views
PLS HELP 96POINTS Which statement is true for light passing into a medium that is more optically dense than the first medium through which it passed? The index of refraction of the second medium is lower.
answered Sep 3, 2021
5 votes
134k views
HELP ASAP!!!1 What is the slope of the line shown in the graph? A coordinate plane is shown with points graphed at negative 2 comma 2 and 0 comma 1. The points are joined by a line. −2 −1 −1 over 2 1 over
answered Jun 25, 2021
5 votes
40.4k views
If m is the midpoint of ab find the coordinates of a if b(4,6) and m(1,2) A is pls help I need to know pls
answered May 11, 2021
6 votes
224k views
Hi can anybody help me with this
answered Apr 22, 2021
2 votes
190k views
a tree of 11 feet tall. A wire runs from the top of the tree to a point 5 feet from its base. The wire is square root of 146 feet long. estimate the length of the wire to the nearest hundredth of a foot?
answered Apr 16, 2021
4 votes
212k views
Write down an estimate for the square root of 78
answered Mar 16, 2021
5 votes
126k views
Is 3/4 multiplied by 7/10 less than 3/4?
answered Feb 20, 2021
3 votes
166k views
How do i Evaluate this expression?​
answered Feb 16, 2021
3 votes
46.2k views
Three families went to the movies together. The Smiths ordered two tubs of popcorn, one plate of nachos, and three drinks. They spent $65. The Langes ordered three tubs of popcorn, two plates of nachos,
answered Oct 16, 2020
6 votes
26.4k views
You have a solution of sugar in water.You want to obtain the sugar from it.A:explain why filtration will not work ,b:which method will you use instead?
answered Sep 17, 2020
4 votes
202k views
Which pronoun best completes the sentence? _____ and Martha both dance very well. Hers She Them Her the story is How a Cat Played Robinson Crusoe"?
answered Aug 27, 2020
4 votes
30.4k views
Gaseous hydrogen iodide is placed in a closed container at 425°C, where it partially decomposes to hydrogen and iodine: 2HI(g)⇌H₂(g)+I₂(g) At equilibrium it is found that [HI]= 3.51×10⁻³ M, [H₂]= 4.76×10⁻⁴
answered Jan 15, 2020
1 vote
231k views
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