Determine the energy of an avogadros number of photons
Determine the energy of an Avogadro's number of photons (called an Einstein) of this radiation. Microwave radiation has a wavelength on the order of 1.0cm.
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Determine the numbers of milliliters of 53.4 wt% NaOH will you require to prepare 2.000 L of 0.169 M NaOH? Suppose you have a bottle labeled "53.4 (± 0.4) wt% NaOH -density +1.52 (± 0.01) g/mL."
Explain what will be the appearance of a TLC plate if a solvent of too low polarity is used for the development? Explain why does the lid of the jar need to be on while developing your TLC plate?
Determine the inner diameter of the tube. (The density of mercury = 13,6g/mL) when a cylindrical glass tube 12, 7 cm in length is filled with mercury. The mass of mercury required to fill the tube is 105,5g.
A long, hollow, cylindrical conductor (having inner radius 8.00 mm and outer radius 16.0 mm) carries a current of 14A distributed evenly across its cross section. A long thin wire which is coaxial with the cylinder carries a current of around 14A
A piece of metal of 350 g is at an initial temperature of 22.0°C. It absorbs 1000 cal of thermal energy and its net temperature is around 45.0°C. Determine the specific heat of the metal? Illustrate your work.
Discuss how could you show the presence of both iodide and sulfate in a mixture and why should distilled water be used when making the chemical tests?
Describe the numbers of mols and grams of Pb(NO3)2 are in the reaction mixture? Calculate the percent by mass of each salt in the mixture?
The police car is right next to the highway, so the moving car is traveling directly to or away from it. Determine how fast was the moving car going?
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