Calculus
Use the disk method to find the volume of the solid generated when the region bounded by y=15sinx and y=0, for 0 </= x </= pi, is revolved about the x-axis.
Chemistry
Sorry, I never saw this response so I reposted it correctly! But I do have a question. I used 2257 kJ/kg for the heat vap. and 2.08 J/g*K for the specific heat of water. I'm still getting the problem wrong, am I plugging in the wrong numbers??
Chemistry
It is 100 degrees, I just mistyped!!
Chemistry
A sample of steam with a mass of .550 g and at a temperature of 1 degrees C condenses into an insulated container holding 4.40 g of water at 5.0 degrees C. Assuming that no heat is lost to the surroundings, what will be the final temperature of the mixture?
chemistry
How much energy (in kJ) is released when 16.4 g of steam at 121.5 degrees C is condensed to give liquid water at 60.5 degrees C? The heat of vaporization of liquid water is 40.67 kJ/mol and the molar heat capacity is 75.3 J/(K*mol) for the liquid and 33.6 J?(K*mol) for the vapor.
Physics
A
algebra
I need help breaking down the steps to solve HELP ME PLEASE solve with an exact answer. x^2 + 2x - 8
Quadraitic equations
Thank you so much and I definetly need to review how to factor equations<<<good night and sweet dreams>>>thank you for helping me
Quadraitic equations
Can you show me the steps please???? to solve this equation.
Quadraitic equations
solve with an exact answer. x^2 + 2x - 8
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