Friday
December 6, 2013

# Posts by Louis

Total # Posts: 112

Chemistry
What is the pH when 25 mL of .20 M CH3COOH has been titrated with 35 mL of .10 M NaOH?

chemistry
if i have a molar concentration of acetic acid.046 mol/L how do i get the calculated molar mass of acetic acid

10+10+0+0=20

College Geology Homework
Suppose you have a sample of potassium feldspar from a rhyolite and you measure the ratio of atoms of 40Ar to 40K of 0.024 to 1, or for every 10000 atoms of 40K you find 240 atoms of 40Ar. For this problem, consider the decline of 40K from an initial value to the measured valu...

calculus
Since the two tangents are mutually perpendicular and intersect on the y-axis they have gradients 1 and -1 The gradient function is y = 6x Hence x = 1/6, -1/6 So y = 1/12 both times So the coordinate of the intercept can be calculated using the equation of the tangents: Equate...

algebra with pizazz pg 40 riddle
-5-(15y-1)=2(7y-16)-y

Calculus
The absolute value of x is always positive; so is the square. So the shape will remain invariant under this transformation, and so will be its position.

Social studies
History of social studies in britain

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