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An electromagnetic wave has a wavelength of 6.00 x 10-6 m. In what region of the electromagnetic spectrum is this radiation? How far does light travel in one year? [This distance is known as a light-year (ly) and is used in measuring astronomical distances (Ch. 18.1).]
a protein subunit from an enzyme is part of a research study and needs to be characterized. a total of 0.180 g of this
Sulfuric acid is a strong monoprotic acid. The bisulfate anion is a weak acid with a pKa of 1.92. Calculate the pH of a 0.1000 M solution of sulfuric acid.
At 0.0oC, if the volume of air is 3.3 mL and the pressure of the atmosphere that day is 835 mmHg, what is the number of moles of air?
Calculate the mass of solid needed to make a 500ml solution that is 0.25m in sulfate anion, using sodium sulfate decahydrate. I came up with 17.75g.
What is the ΔG for sodium transport?- What is the upper limit of glucose transport?
a stream of air 25 degrees celsius and 1 atm is laden with particulate matter unit density spheres of only two sizes 1
The concentration of the alkane C20H42 (FM 282.55) in a particular sample of rainwater is 0.2 ppb. Assume that the density of rainwater is close to 1.00 g/mL
Calculate the equivalent height a column of mercury would have if mercury were esed instead of wted in the flask.the density of mercury is 13.6 g/cm3
Calculate the volume of the NaOH solution prepared in (2) required to react with all of the t-butyl chloride in 1.0mL of the 0.050M solution prepared in (1)?
a compound is composed of only C.H and O. the combustion of a 0.519-g sample of the compound yields 1.24g of CO2 and 0.255g of H2O.
An electron in a hydrogen atom is excited with electrical energy to an excited state with n= 2. The atom then emits a photon. What is the value of n for the electron following the emission
ethene (C2H4) and H2 form ethane (C2H6). If 159 kJ is given off per mole of C2H4 reacting, how much heat is released when 14.9 kg of C2H6 forms
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