# Posts by yen

Total # Posts: 15

Math
6:50 is the hour hand closer to the 6 or the 7 hoe do you know

English
1. consensus 2. niche 3. transcend 4. waive 5. complacent 6. diligent 7. empathy 8. deplete 9. menial 10. commemorate

Chemistry
coppers atomic mass is 63.5 and occurs in nature in the form of twi isotopes Cu-63 abs Cu 65

physics
38

Math
how did s^2 + 40s - 29000 = 0 become s = 151.46 mi/hr?

Algebra 2
The sum of the digit of a two digit number is 7. The number with the digit is reverse order is 3 less than 4 times the original number.Find the original number

calculus
Hi, that's the correct answer but i couldn't follow with what you did. what is sup means? and what's n1 and N1. Could you please elaborate more in details? thanks alot.

calculus
Find the value of the limit.( use L'hospital rule) lim (tanx/x)^(1/x^2) x>0

math
one hundred feet directly overhead, a plane and a dirigible start flying due east. If the plane travels three times faster than the dirigible, what is the greatest angle of sight between the two vehicles from your position? Assume the plane passes from sight after 6000 feet.

chemistry
calculate the percentage composition of water in Na3PO4 * 7 H2O

chem
an (aq) ammonium chloride solution, rather than H2SO4, is used in the hydrolsis of the magnesium complex of 1,1-diphenylethanol to ensure that no acid catalyed dehydration occurs. write the chemical structure of the dehydration product from 1,1-diphenylethanol? -so isnt the ...

chem
What is the structure of the white precipitate that forms when actophenone is added to a solution of phenylmagnesium bromide?

English
i don't know what ur talkin' about. but tankz for your comment.

English
why student refrain from absences in this new generation??

chemistry
2NO + O2 -> 2NO2 200. mL of NO at STP is reacted with 500. mL O2of at STP. Calculate the partial pressure of NO2 after the reaction goes to completion. Assume a constant volume.

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