Chemistry
Acetone has a delta Hvap of 29.1 kj/mol and a normal boiling point of 56.2 degrees Celsius. At what temperature (in degrees Celsius) does acetone have a Pvap = 118 mm Hg?
math
(x-3)/(6)-(7)/(15)≤(3x-1)/(10)
Math
(x)/(3)+(5)/(6)<(4)/(3)*x
Chemistry
A chemical plant uses electrical energy to decompose aqueous solutions of NaCl to give Cl2,H2, and NaOH: 2NaCl(aq)+2H2O(l)-->2NaOH(aq)+H2(g)+Cl2(g) If the plant produces 1.1×10^6 kg (1100 metric tons) of daily, estimate the quantities of H2 produced. If the plant prod...
Chemistry
Hard water contains Ca ,Mg ,Fe and , which interfere with the action of soap and leave an insoluble coating on the insides of containers and pipes when heated. Water softeners replace these ions with Na. If 1100. L of hard water contains 0.021 M of Ca and 0.0060 M of Mg , how...
Chemistry
Hard water contains Ca ,Mg ,Fe and , which interfere with the action of soap and leave an insoluble coating on the insides of containers and pipes when heated. Water softeners replace these ions with Na. If 1100. of hard water contains 0.021 M of Ca and 0.0060 M of Mg , how ma...
AP PHYSICS
yes it was, but it was wrong. I did )Inital KE + inital PE)- W = (Final KE + final PE) and got 8.2425
AP PHYSICS
A basketball player makes a jump shot. The 0.700 kg ball is released at a height of 1.90 m above the floor with a speed of 7.00 m/s. The ball goes through the net 3.10 m above the floor at a speed of 3.70 m/s. What is the work done on the ball by air resistance, a nonconservat...
AP PHYSICS
I can't manage to add the drawing on this website. But there is no angle on the drawing anyways..
AP PHYSICS
A water skier lets go of the tow rope upon leaving the end of a jump ramp at a speed of 14.9 m/s. As the drawing indicates, the skier has a speed of 10.9 m/s at the highest point of the jump. Ignoring air resistance, determine the skier's height H above the top of the ramp...
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