Chemistry.
Thank you so much! The 151 was the wavelength notation.
Chemistry.
An X-ray beam with = 151 incident on the surface of a crystal produced a maximum reflection at an angle of = 28.2. Part A Assuming , calculate the separation between layers of atoms in the crystal. Confused on which formula to use to find this answer.
Chemistry
Four ice cubes at exactly 0 ^\circ {\rm{C}} having a total mass of 55.0g are combined with 110g of water at 77^\circ C in an insulated container. Part A If no heat is lost to the surroundings, what will be the final temperature of the mixture?
PRE-ALGEBRA
An adult house cat could be about 1____ high.
intergrated topics/math
i need help i dont get this problem......
intergrated topics/math
solve for x: 4x(5-6)=10(6x+2)
chemistry
C4H8CLO2 PREDICT THE IR ABSORBANCIES PROTON NMR AND 13C NMR SPECTRAL CHARACTERISTICS FOR THE FOLLOWING MOLECULE. DRAW THE EXPECTED SPECTRA. ALSO PREDICT THE MASS SPECTRUM SHOWING THE MOLECULAR ION AND ANY SIGNIFICANT HIGHER M/Z PEAKS.
Grammar
Identify the abbreviations in this sentence. When they raise me to a high position, then ill get a raise.
Physics
A 50kg box is sitting on your front porch. The coefficient of sliding friction between the box and floor is .4. You are trying to push the box from the porch into the house. What is the force required to push the box at a constant speed?
math
Is the expression a monomial? explain. qs + 5
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