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What element is this from the periodic table ? Atomic Number = 6, Protons = 6, Electrons = 6, Atomic Weight = 12.0. Electrons in first energy level = 2; second energy level = 4.
Question- Write a balanced chemical equation which corresponds to the following equilibrium constant expression.
Calculate the number of photons emitted in one second by a 6 W laser operating at a wavelength of 438.0 nm
what is the formula of a solid containing carbon that is a molecular bionic c network covalent d metallicnbspfor these
This energy is called the work function of that metal. What is the longest wavelength of radiation (in nm) that could cause the photoelectric effect in each of the following metals
What is the product expected from the reaction of 1.3-butadiene and 3-sulfolene. Why is this not a major concern as a by product
Determine the volume of a 0.530 M KMnO4 solution required to completely react with 2.70 g of Zn.
What is the hybirdization of a centeral atom that has four sigma bonds and has no pairs of electrons?
a buffer is prepared by mixing .200 mole of formic acid with .300 mole of sodium formate in a volume of 200 ml what is the initial ph.
Heat energy is added to a 352 g block of nickel, and the temperature increases from 21 degrees C to 53 degrees C. If the same amount of heat was added to the same mass of water at the same temperature, what would the water's final temperature be
10.00mL aliquots of an unknown containing element X was mixed with aliquots of a standard solution of element X for atomic absorption. The standard solution contained 1786.50ug X/mL.
Calculate the mass, in grams for a gold sample that absorbs 225 J to change its temperature from 15 Celsius to 47 degrees celsius.
If 5.20 g of HCL is added to enough distilled water to form 3.00 L of solution, explain what is the molarity of the solution. Use molecular weight: HCL, 36.46 amu
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