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Q. Define the Planck constant? The energy of a photon ( E photon) of a certain frequency (violet) is able to be calculated by using the following equation in which h represen
Write an equation that shows the formation of the selenide ion from a neutral selenium atom
a. Calculate the global radiation density (kWh/m 2 ) received by five panels located in San Jose on July 1, 2012: Panel A: Tilt=37.3 o , Azimuth=180 o (South) Panel B: Ti
Comment on the validity of the following statements, giving reasons: (a) Thermodynamically an exothermic reaction is sometimes not spontaneous. (b) The entropy of steam is mo
Theory of conductomaetric titration NH4cl vs NaOH
A cubic solid is made of two elements X and Y. Atoms V are at the corners of the cube and X at the body centre. What is the formula of the compound?
how much time will it require to spend 0.1 mole of rupees when the average rate of expenditure is 1 billion rupees per second?
Limitations of flame photometry: The limitations of the techniques involve the following. The low temperature of the natural gas and air flame limits a method to simply
To increase the pressure so that boiling point of water increases and heat provided goes only for cooking food not for boiling water
2. A mixture is prepared by adding 25.0 mL of 0.185 M Na3PO4 to 34.0 mL of 0.140 M Ca(NO3)2. (a) What mass of Ca3(PO4)2 will be formed? (b) What will be the concentrations of eac
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