Sunday

February 7, 2016
Total # Posts: 8

**Physical Science**

Nevermind, I got the answer...I think
*November 1, 2015*

**Physical Science**

An astronaut in a spacesuit has a mass of 100 kilograms. What is the weight of this astronaut on the surface of the Moon where the strength of gravity is approximately 1/6 that of Earth?
*November 1, 2015*

**Chemistry**

Would gravimetric analysis or colorimetry be more accurate when calculating the percentage yield of a precipitate?
*July 21, 2015*

**Math**

Hi,need lots of help.Whole page
*February 5, 2014*

**Chem ASAP**

For voltaic cell notation how do you know when to include Pt(s) and when not to.... Need help ASAP... test tonight!
*April 21, 2011*

**calculus**

For trigonometric substitution to solve the above integral, fill in the blanks below using the picture of the triangle given. integral (x^3)/(sqrt(25+9x^2)) dx / l / l / l / l / l / l / l / l / l side A / l / l --------- side B *** sorry hard to draw on the computer side a=3x ...
*April 19, 2011*

**Chemistry**

The equilibrium system N2O4(g) 2NO2(g) was established in a 1.00-liter vessel. Upon analysis, the following information was found: [NO2] = 0.500 M; [N2O4] = 0.0250 M. What is the value of Keq?
*March 18, 2011*

**science**

a shell is fired from the cannon. the shell of mass 30kg is shot with an initial velocity of 30m/s. what is the momentum of the cannon just after the shell is shot ?
*April 14, 2010*

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