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Convert the speed of light given to be 3 x 10^8 m/s into km/hr. c=3x10^8 m/s x 1km/1000m x 60s/1min x 60min/1hr = 1.08x10^9 km/hr.
Find the speed of light in cm/min, km/day and km/year. Show all work
Problem- For the reaction shown below, which change in conditions made to the system at equilibrium will result in a net reaction to the right to form more product?
Find the standard change of entropy for the formation of CH2Cl29g) from its gaseous elements in their standard states. Please show and explain how you got the answer. Specifically how you came up with a balanced equation.
Suppose the ionization enthalpy of sodium metal is quite low at 495 kJ/mol. Explain what is the longest wavelength of light in nanometers, nm that will produce the photoelectric effect with sodium i.e. to eject electrons from sodium.
A 20.0mL sample of 0.20 M sodium acetate is titrated with 0.11 M HCL(aq). Explain what is the pH after the addition of 50.0mL HCl (aq). (Kb ofCH3CO2- = 5.6 ´10-10)
calculate the freezing point and boiling point of a solution of 383 g of glucose dissolved in 400.0g of H2O
ammonium nitrate decomposes explosively upon heating to form nirtogen gas oxygen gas and sterm. assume ideal behavior
A standard U.S. postage stamp is 2.5 cm long and 2.1 cm wide. What is the area of the stamp in square centimeters? In square meters?
Using appropriate equations, explain why combustion of fuels containing sulfur leads to acid rain.
Consider the following statement: "For some molecules and ions, a Lewis structure that satisfies the octet rule does not lead to the lowest formal charges, and a Lewis structure that leads to the lowest formal charges does not satisfy the octet rule...
Aside from the hazards associated with handling bromine, what is the advantage of generating bromine in this fashion as opposed to adding bromine directly to the reaction mixture.
Calculate the temperature increase of the bullet. ° C (b) After a short time the bullet and the block come to the same temperature T. Calculate T, assuming no heat is lost to the environment. ° C
Briefly explain in terms of structure, basicity, and solubility why Novocain® is usually administered by injection whereas benzocaine is typically used in salves.
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