When the molar absorptive of a substance
Determine the numbers of grams must be dissolved in the 250 ml of a solution to produce an absorbance of 1.1? The formula weight is 93 g/mol when the molar absorptive of a substance is 3.7 x106.
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If 50.0 ml of a 0.050 M KI is mixed with the 25.0 ml of 25.0 ml of water and a 0.750 MFe+3, explain what will the concentration of each component be after mixing (before any reaction takes place)assuming the volumes are additive?
Based upon the sample results, determine the 90% confidence interval estimate for the true population proportion of suspension helmets that would fail the test?
Explain would you expect the activation energy for catalyst reaction to be greater than, less than, equal to that of anuncatalyzed reaction?
A proton having mass m = 1.67 x 10-27 kg is being accelerated all along a straight line at 6.2 x 1012 m/s2 in a machine. When the proton consists of an initial speed of 7.9 x 106 m/s and travels 4.4 cm, what then are (i) its speed and (ii) the increa
Determine what will be the displacement of the mass with respect to the equilibrium position at the given times after its release:
Determine the band pass (Δλ) that this grating could produce for green light, λ=500nm in 1st order (m=1) a grating is ruled with 500 lines/mm or d=2.0μm if the slit width is Δs=0.1mm, if the monochromatic focal length
Determine a 90% confidence interval for the slope, which is the expected increase in Height for each one inch increase in femur length. List the residuals.
Determine how much energy should be transferred as heat for the reversible isothermal expansion of the ideal gas at 128°C when the entropy of the gas rises by 35.0 J/K?
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