Thursday
June 20, 2013

# Posts by GiGi

Total # Posts: 104

Math
180

Math
A triangle has sides with lengths of 3x, 5x, and 8x. Express the perimeter of the triangle in terms of x. Please help!!!

Math
Aa square and a triangle have equal areas. If a side of the square is 10 inches and the base of the triangle is 10 inches, what is the height of the triangle?

college algebra
solve ln(5/3)

Chemistry
Lead has four stable isotopes. ^204Pb (1.4%), ^206Pb (24.1%). ^207Pb (22.1%) and ^208Pb (52.4%). Find the atomic mass of ^208 Pb given that ^204Pb has an atomic mass of 203.973 amu, ^206Pb has an atomic mass of 205.974 amu, and ^207Pb has an atomic mass of 206.976 amu.

Chemistry
How is the average mass of a penny related to average atomic mass?

LIQUID DUH!!!!!!!!!!1

college math
During a walk, Dave completed the first two miles at a pace of 3mph. He walked the next two miles at a pace of 4.5 mph. Would his walk take more, less or the samr time if he walked the entire distance of four miles at a steady pace of 3.5 mph?

chemistry
Carbon and silicon are both in Group 14 of the periodic table. (i) Identify compounds which illustrate similarities in the chemistry of carbon and silicon. (ii)Identify compounds which illustrate significant differences in the chemistry of carbon and silicon. Hence explain wh...

college
In acidic solution, nitrous oxide (N2O) reacts with potassium chromate (K2CrO4) to form Cr3+ (aq) and nitric oxide (NO), as products. (i) Produce balanced half-equations to represent the oxidation and the reduction steps. (ii) Generate a final balanced equation for the overal...

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