the principle of latent heat was discovered many year ago. but its practical form came in 1876, with invention of refrigerator. what is latent heat ?
As the wind mill dies… A windmill that was rotating at 2.1 rad/s begins to slow down with a constant acceleration of 0.45 rad/s^2. a. How long does it take for the windmill to come to a complete stop? b. How much angular position does the windmill make until completely stop?
1.85 moles of N2 at 15.2ºC and 5.75 bar undergoes a transformation to the state described by 195ºC and 2.10 bar. Calculate ∆S.
How do Kepler’s Laws help calculate the radius of the synchronous orbit of an Earth-orbiting satellite? Discuss why you think Kepler’s laws are relevant to other scientists who came after him.
Mercury ions Hg2 2+ can be removed from the solution by precipitation with Cl-. suppose that a solution contain aqueous Hg2(NO3)2.Write complete ionic equation to show the reaction of aqueous Hg2(NO3)2 with aqueous sodium chloride to form solid Hg2Cl2 and aqueous sodium nitrate.
Andrea, of mass 51.5kg, thinks she’s sitting at rest in the middle of her 7.36m long dorm room as she does her physics homework. Within what range is her velocity likely to be? (Enter the lower of the velocities first.)
What is the pH of the solution prepared by allowing 1.65g of Na2Oto react with 700.0 mL of water? Assume that there is no volume change
A thin solid barrier in the xy-plane has a 14.2μ
Think about Newton’s three laws, the law of inertia, the law of motion, and the law of action-reaction. How do you see each of these laws in action in your daily life?
why is the major product isoborneol when camphor is reduced, not borneol?
