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The solar constant is the incident energy per unit of time on a unit area of a surface placed at right angles to a sunbeam just outside the earth's atmosphere.
The value of the solar constant is 1.37kW/m2. The area of a sphere with radius 93,000,000 miles is 2.79 X 1023m2, and the surface area of the sun is 6.09 x 1018 m2.
Assuming that the sun is a blackbody, calculate its surface temperature.
the order reads 12000 units of heparin for your patient. the vial on hand is labeled 10000 units per cc. how many cc
A solution contains a mixture of 0.25 M Ni2+ and 0.25 M Cu2+. Na2CO3 is slowly added to the solution in order to separate the ions by selective precipitation. What is the [Cu2+] when NiCO3 begins to precipitate
Write 8 pages research about Geothermal energy, including introduction, discussion(this should contains deep information about the topic, including wastes in underground affect on geothermal ) also the types.
Propose the structures for hydrocarbons that give the following products on oxidative clevage by potassium permanganate or ozone.
What is the closest result to the molecular weight of the unknown compound?
The equilibrium constant Kc for the decomposition of phosgene, COCl2, is 4.63 x 10^-3 at 527 deg. C
Given the date fill out the rest of the tables. Table 1- Standardizing NaOH Solution with KHP
if 25g of aluminum are allowed to react with 50.g of hydrochloric acid, how many grams of the product, aluminum chloride can be produced? equation.
Identifying the primary species (atoms, molecules, or ions) present in an aqueous solution of each of the following compounds. Decide which species are Bronsted acids or bases and whether they are strong or weak: (a). NH3, (b). CH3CO2H, and (c). N..
Why does surface complex formation with a weak acid lead to a relative maximum in the extent of surface complex formation (adsorption) at a pH which is usually near the value of -log acidity constant of the weak acid (pKHA)
An HCl solution has been prepared by diluting 300.00mL of concentrated HCl (which is about 12.0 M) to 20L with water. Calculate the approximate molarity of the HCl solution.
at 25 degrees celsius the concentration of n2 in h2o was determined to be 7.2 x 10-6m. compute the partial pressure of
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