Friday
December 13, 2013

# Posts by christine

Total # Posts: 415

chemistry
At a pressure of 1.7 atm a balloon has a volume of 4.98 L . If the pressure is decreased to 1.0 atm (at constant temperature) what is the new volume of the balloon?

Chemistry
Do I need to first figure out the PH? I believe that a= 3 and b=2.87 therefore it will require more naoh to titrate the acetic acid. I am not sure i figured the ph of acetic acid correctly, or if i am on the correct path here...

Chemistry
Suppose you have two solutions to titrate with NaOH: (a) 10 ml of.1M HCL (b) 10 ml of .1M CH3COOH would you expect either of the solutions to require different volumes of NaOH in order to reach an end point? Explain

MEANING
What is the meaning for vagaries.also give me a sentence for it.

meaning
what does the word vagaries mean.Also put a sentence for it

calculus
An annuity has a differential equation of y'=4500+.035y, and an initial condition of y(0)=1000. Describe what is going on.

chemistry
6.022 x 1023 atoms. Thank you Dr Bob222

chemistry
How many atoms are in 95.96 g of molybdenum (Mo)

Physics!
The following four forces act on 4.00 kg object: F1 = 300 N east F2 = 700 N north F3 = 500 N west F4 = 600 N south What is the acceleration of the object?

Physics
A 1000-kg car is driving toward the north along a straight road at a speed of 20.0 m/s. The driver applies the brakes and the car comes to a rest in a distance of 140 m. What is the constant force applied to the car to bring it to rest?

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