Thursday
December 12, 2013

# Posts by nate

Total # Posts: 166

Physical Chemistry
A mole of air (80% Nitrogen, and 20% Oxygen by volume) at 298.15K is brought into contact with liquid water which has a vapor pressure of 3168Pa at this temperature. a) what is the volume of the dry air if the pressure is 1 bar? b) what is the final volume of the air saturated...

chemistry
How many grams of magnesium metal are produced by the decomposition of 19 grams of magnesium chloride?

Math
Show why the below equation is true using the areas of rectangles: 2p+5p=(2+5)p 3(4-1)=3x4-3x1

What's a description of Nicholas II and his Family that would go with the story Animal Farm?

math (geometry)
If p∨q is true, then what must be true about the truth values of p and q?

Question
Newport News is in VA dude

calculus
If a snowball melts so that its surface area decreases at a rate of 3 cm2/min, find the rate at which the diameter decreases when the diameter is 9 cm. (Give your answer correct to 4 decimal places.)

calculus
The force F (in Newtons) required to move a box of mass m kg in motion by pulling on an attached rope is F(x) = f m g/(cos(x))+ f (sin(x)) where x is the angle between the rope and the horizontal, f is the coefficient of static friction and g = 9.8 m/s^2. Find the angle x that...

calc
Use the Mean Value Theorem to show: -x < sinx < x for all x > 0 (and where I have the inequalities, it's supposed to be less than or equal to for the first two and greater than or equal to for the last one, I just didn't know how to type it)

Intermediate Algebra
Find the x- y-intercepts and graph the function f(x)=5x-10

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