Determine how long must you make the telescope tube
Your instructor asks you to design and build a refracting telescope encompassing a magnification of 45 by employing an available eyepiece of focal length 4.0 cm. Determine how long must you make the telescope tube?
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If an acid solution weighing 57.012 g was added to the tablet, carbon-dioxide gas was released, generating a fizz. The resultant solution weighed 57.743 g. Determine how many grams of carbon-dioxide were generated?
Determine the free-energy change for ammonia synthesis at the 25oC given the following sets of partial pressures:
If water freezes, it expands around 9.00%. Determine what would be the pressure raise within your automobile engine block when the water in it froze? The bulk modulus of ice is around 2.00 x 10^9 N/m^2.
Illustrate the skeletal structure of the compound with molecular formula C3H4Cl4 whose proton NMR spectrum contains a downfield quartet and an up field doublet with relative integration of 1:3.
Determine the concentration of an aqueous KCl solution if the 25.00 mL of the solution gives 0.430 g of AgCl when treated with an excess of AgNO3?
Find out the induced emf in a circle of tissue of radium 1.6 mm which is perpendicular to the direction of the field.
What is the molarity of the sulphuric acid when a 10.00 mL sample of sulfuric acid from an automobile battery requires 35.08 mL of 2.12 M sodium hydroxide solution for complete neutralization? The reaction is H2SO4 (aq)+2NaOH(aq)=2H2O(i)+N
A typical cell phone conveys microwaves having peak output power of around 2 W. When you suppose the cell phone is a point source, determine what would be radiated power at your brain 5 cm away from it?
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