What is the enthalpy change
what is the enthalpy change needed to change 3kg of liquid water at 0C to steam at 0.1MPa and 150C
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What is the total number of liters of gas formed when 228g NH4NO3 is decomposed?
What is the product of a modified perkin reaction using 3-benzoylpropionic acid + benzaldehyde + sodium acetate + acetic anhydride when heated in 100 degrees celsius?
The catapult is used to launch a ball such that it strikes the wall of the building at the maximum height of its trajectory. If it takes 1.5 s to travel from A to B, determine the velocity vA at which it was launched, the angle of release q, and the
What mass of HgO was originally present? The vapor pressure of water is 23.8 mm Hg at 25.0°C. Use molar masses with at least as many significant figures as the data given.
Assume that patient blood lead levels are 0.560 , that total blood volume is 5.1 , and that 1 of succimer binds 1 of lead. What minimum mass of succimer in milligrams is needed to bind all of the lead in a patient's bloodstream?
A 15.0 kg object is moving with velocity of 17.5 m/s2. A force of -50 N acts on the object and its velocity becomes 3.20 m/s2. What is the displacement of the object while the force acts?
It was found that 0.475 g of V was deposited on the cathode. What was the original oxidation state of vanadium?
Shaft a hasin figure has a power input of 75 kw at a speed of 1000 rpm in the counter clock wise direction.The gear have module of 5 mm and 20 degree pressure angle .Gear 3 is an idler.
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