Calculate the absolute uncertainty for the following: (1.15 ±0.24 ng)/(2.20 ±0.35 L)
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- At what concentration of S(expressed as a multiple of KM) will νo=0.95Vmax?From the equation of a lineweaver-burke plot, calculate Km and Vmax. Show your work and include units. The equation is y=393.4x +8.4337Which of the following setups would give the formula mass of Ca(PO3)2 in amu? 40.08 amu + 30.97 amu + 3(16.00 amu) 40.08 amu + 2(30.97 amu + 3(16.00 amu)) 40.08 amu + 30.97 amu + 6(16.00 amu) 40.08 amu + 2(30.97 amu) + 3(16.00 amu)
- The vapor pressure of component C is 272 torr, and that of component E is 176 torr at 35°C. The C-E solution at 35C with x=0.200 has a vapor pressure of 904.2 torr and vapor composition of x=0.272. 1. Calculate y, for C 2.15 and for E 4.99 : in this solution. 2. Calculate a, for C 2.42 and for E 2.678 in this solution. 3. Calculate p,-p, for component C 2264.38 : (J/mol) and E 857.32 : (J/mol). 4. Calculate AmyG= -1092.22 : (J) for the corresponding ideal solution.At 25.0 °C the Henry's Law constant for dinitrogen monoxide (N,0) gas in water is 0.025 M/atm. Calculate the mass in grams of N,0 gas that can be dissolved in 450. mL of water at 25.0 °C and a N,0 partial pressure of 1.31 atm. Be sure your answer has the correct number of significant digits. ?What information can be obtained from a kinetic data where 1/v is equal to 0.5 min/mole, when 1/[S] is 0. Km = 2.0 moles Vmax = 2.0 moles/min Km = 2.0 moles; Vmax = 0.5 moles/min Vmax = 2.0 moles/min; Km = 0.5 moles Km and Vmax cannot be determined
- The following reaction plays a key role in the destruction of ozone in the atmosphere: Cl(g)+ O3 (g)-> ClO(g)+O2 (g) Given the standard molar entropies (S°) below, calculate the ΔS for this reaction. S°C1O = 218.9 J/mol*K S°O3 = 238.8 J/mol*K S°Cl = 165.2 J/mol*K S°O2= 205.0 J/mol*K _______ J/K = ΔSWhat is the HVL of tissue for 1.25 MeV gamma-rays. How many half-layers of tissue are in the human forearm (assume an average thickness of 10 cm of tissue). What is the reduction in intensity as a 1.25 MeV gamma-ray passes through 10 cm of tissue? Assume the density of tissue is 1 g/cm2.A sample of 8.00 mol of gas in a 10.00 L container is at 45.0 °C. What is the pressure (in atm) of the gas?