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A Carnot engine operates between two temperature reservoirs maintained at 493.15k and 298.15k, respectively. If the desired output of the engine is 20.00 kW, find the heat transfer to the low temperature reservoir.
You have 1 m3 of wood and 1 m3 of aluminum. Which is heavier? Prove your answer with calculation.
If you are stung by a bee , what substance can you apply to it to help reduce the pain
A sample of a substance containing only C and H burns in excess O2 to yield 4.4g of CO2 and 2.7g of H2O. What is the empirical formular of the compound?
The decomposition of cesium nitride will produce what two products?
How to prepare 25% Aluminium Chloride Hexahydrate in absolute alcohol?
Calculate the standard heat of vaporization for tin( IV)chloride, SnCl4.
change heat of fusion=-511.3kj/mol for SnCl4(l) and -471.5 kj for SnCl4 (g).
How many liters of liquid nitrogen are produced when 766. 0 L of nitrogen gas is liquefied at 77.3 6K
At 200.0 K, a gas fills a 475.0 mL balloon. What will be the volume of the balloon if the temperature is raised by 60.0 K?
Identify the neutral element represented by this excited‑state electron configuration.
excited-state: 1𝑠22𝑠22𝑝63𝑠23𝑝34𝑠1
