orchidspider395

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For light of wavelength 589 nm, calculate the critical angles for the following substances when surrounded by water.

   glycerine   °

fused quartz   °

  flint glass   °

How many protons and neutrons are found in the isotope radium-226? detailed please, step by step.

write a decay series for throium-226 decaying to astatine-214. detailed and step by step please and thank you

What is the osmotic pressure (in atm) of 0.556 L of solution formed by dissolving 58.4 mg of aspirin (C9H8O4) in water at 25 °C? Molar mass of aspirin is 180.158 g/mol.

Calculate the volume in liters of a 1.0M sodium carbonate solution that contains 125.g of sodium carbonate (Na2CO3). Be sure your answer has the correct number of significant digits.