# Ley

Most popular questions and responses by Ley
1. ## Chemistry

1. When adding the sodium borohydride solution to the vanillin solution, why are you told to do so in a dropwise fashion? -So you don't accidentally spill any sodium borohydride -To prevent formation of unwanted vanillin byproducts -to prevent formation of

2. ## Chemistry

(For fischer esterification) If you had collected the forerun from your distillation and tested it in the gas chromatograph, what would the most predominant compound be? -Isopentyl alcohol -Isopentyl acetate -Water -acetic acid

3. ## Algebra 1

What is an equation of a line perpendicular to the line with equation y = 1 - 3x a.y=-3x + 5 b. y=3x + 5 c.y=-1/3x + 5 d. y=1/3x + 5 To solve the linear system below, which substitution of unkowns is proper ? x + 4y= -6 5x - 3y = -16 a. substitute -4y-6

4. ## math

The odds for being assigned homework are 5.5 to 1. Find this expressed as a probability.

5. ## Algebra 1

1.To solve the linear system below, which substitution of unkowns is proper ? A.substitute 5x-16 for y in the first eqn B.substitute 5x+16 for y in the first eqn C.substitute 5x+12 for y in the first eqn D.substitute 7y-4 for x in the second eqn 2.A line

6. ## Algebra 1

1.What is the value of x-y if 5x-3y=3 and -x+3y=9 ? 2.Rewrite -2x^-1 /x^2y^-1 with positive exponents 3. What is the value of xy if x+5y=26 and -x+y=4 ?

1. ## Social Studies

YOU GUYS LIED the correct answers are 1: B 2: C 3:B 4:D 5:B

posted on October 1, 2018
2. ## Science(Stuff to do like with magnets!)

lorenze is right got them right 100%

posted on October 1, 2018
3. ## science

18

posted on July 11, 2016
4. ## Computer Programming

We have the same problem. My prof gave me the output program but not the input. :3

posted on October 7, 2015
5. ## Chemistry

Question: When adding sodium borohydride solution to the vanillin solution, why are you told to do so in a dropwise fashion? A. So you don't accidentally spill any sodium borohydride B. To prevent formation of unwanted vanillin byproducts C. To prevent

posted on March 20, 2015
6. ## Algebra 1

To rbowh I do not know how to solve them, that is why I'm asksing for help,

posted on April 23, 2013
7. ## Algebra 1

Thank you Reiny

posted on April 19, 2013