Wednesday
May 22, 2013

# Posts by maha

Total # Posts: 22

Chemistry
Is the Conversion of NO2 to HNO3 endo- or exothemic? Calculate the enthalpy and free energy change for the reaction 4NO2 + o2 + 2H2O-----> 4HNO3 in the aqueous phase.

Chemistry
Is the Conversion of NO2 to HNO3 endo- or exothemic? Calculate the enthalpy and free energy change for the reaction 4NO2 + o2 + 2H2O-----> 4HNO3 in the aqueous phase.

health
Its not C :( Its either.. A or B

Homework Help
its D :)

Homework Help
No its not b

math(mechanics 1)
a car traveling on a straight road accelerates uniformly at a meter per second square from its initial speed of 20 meter per second until it reaches a speed of 30 meter per second. the car travels at this speed for 600 meter and then decelerates uniformly at 0.5a meter per sec...

math
y=6x-2 substitute value of y in second equation.it will become x=1 then find y .y=4

physics
Consider a marble moving on a horizontal track with a speed of 10 meters per second( ignore friction and air resistance). the marble leaves the track and falls through the air to the ground a vertical distance of 1.5 meters. how long does it take to for the marble to hit the g...

physics
Consider a marble moving on a horizontal track with a speed of 10 meters per second( ignore friction and air resistance). the marble leaves the track and falls through the air to the ground a vertical distance of 1.5 meters. how long does it take to for the marble to hit the g...

calculus
Find an equation of the tangent line to the graph y=(x^3 + 2)^5 at x= -1

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