Thursday
December 5, 2013

# Posts by gina

Total # Posts: 485

Roper
The length is 3.8m, the diameter is 0.19

Math
What angle equal to 6/8 turn?

math
Can you explain a little more on equivalent fractions with common denominator 3/4, 2/3, 7/8 thank you verry much.

math
Find equivalent fractions with a common denominator and order from least to grestest 1/2, 4/9, 4/18

math
Equivalent fractions 1/2,6/10,9/27,4/16

chemistry
how do you find the Kc of a reaction?

chemistry
what is the pH if you mix 250ml of 3M HCl with 500ml of 1.5M CN-? i know that: HCl+CN- ---> HCN+Cl- 250ml converts to .75 moles and 500ml also converts to .75 moles when using the 3M and the 1.5M. Ka=X^2/m-x x/1000=.015/750 .02 CN- left. 2.5*10^5=x^2/(.02-x) 2.5*10^5(x^2/(....

chemistry
At 2010K, the equilibrium constant Kc is 4*10^-4 for the following: N2+O2-->2NO If the equilibrium concentration of N2 is .28M and O2 is .38M, what is the equilibrium concentration of NO? a)1.8*10^-9 b)2.1*10^-5 c)4.3*10^-5 d)6.5*10^-3

calculus
Under what conditions for f'(x) and f''(X) can a graph be " straight" wthout being horizontal?

Chemistry
Two rigid containers of equal volume hold hydrogen and argon gases respectively at the same temperature and pressure. Which of the following statements is(are) false ? A) The two containers hold an equal mass of gas. B) The two containers hold an equal number of gas particles....

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