Wednesday

April 1, 2015

April 1, 2015

Total # Posts: 710

**chemistry**

The enthalpy of vaporization of benzene, C6H6(l), is 33.9 kJ mol?1 at 298 K. How many liters of C6H6(g), measured at 298 K and 88.7 mmHg, are formed when 1.90 kJ of heat is absorbed by C6H6(l) at a constant temperature of 298 K? not sure what formulae to use, thanks! M = Q/([...
*November 29, 2006*

**Calculus**

Find the radius, volume, and hieght of the right- circlar cylindar that can be inscribed in a right- circular cone with a radius of 6 inches and a hieght of 10 inches. There are an infinite number of solutions to this. Did you mean the right cylinder with the max volume? Or ...
*November 28, 2006*

**phys**

When a car is weighed, it is allowed to move over a scale which records a reading as the front wheels go over the scale, and a second reading when the rear wheels go over the scale. The weight of the car is equal to A) the weight under the front wheels. B) the weight under the...
*November 21, 2006*

**homework**

red orange and blue
*November 13, 2006*

**Math**

How many feet in a yard? 3 feet in a yard Most yards deserve to include two dogs and therefore all yards should have 8 feet in them. lol!
*October 30, 2006*

**physical science**

how many electrons does each group lose or gain? In the main group, the common valence is the same as the group number.
*October 17, 2006*

**Science**

the SI UNIT for mass is what kg kg is correct. Here is a good site for SI units. http://physics.nist.gov/cuu/Units/units.html
*October 11, 2006*

**Lattice method/math**

30=X+33
*September 19, 2006*

**PLTW**

"what is design Data in engineering" It could be many things: tensile strenght of a particular material, compressive strenth, melting point. Or it could be the desired roof loading in lbs/ft^2 Many things are design data.
*August 30, 2006*

**math**

how to subtract numbers with decimals Line up the decimal points and proceed the same way as you would when subtracting whole numbers. Example: 56.78 12.34 ____ 44.44 It works the same when adding decimalized numbers. example: 92.4 -6.41 _____ 1) When adding or subtracting ...
*August 30, 2005*

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