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Can someone explain how to solve:
1. Determine the % relative error for the following quantity: (5.47±0.05) + (0.47±0.03) - (0.87±0.02)
2. Determine the absolute error for the following quantity: 0.821mol × 36.46g/mol ÷ 0.321g/mL
3. Determine the % error for the following quantity: 12.53 cm x 99.4 cm
question typically an adult will inhale 2.1 l of air per breath. what mass of ozone is taken into the lungs per breath
An acid HA has Ka = 2.28 x 10 -4. The % ionisation of this acid in a 0.170 M solution of the acid in water is closest to
Question- Activation of Hageman factor (X11), by negatively charges surfaces, bacterial LPS, enzymes will lead to the activation or the formation of the following inflammatory mediators except- Anaphylatoxin (C3a, C5a) from complement activation C..
How many cells are on the plate. What fraction of the cell surface is occupied by receptors versus normal phospholipids
question a student measures 5.45 cm3 of chloroform using a glass syringe. given that the density of chloroform is 1.48
Suppose you were trying to find a substitute for K+ in nerve signal transmission. Where would you begin your search. What ions would be most like K+? For each ion you propose
When a mixture of PH3, P2, H2 comes to equilibrium at 873 K according to the reaction 2PH3 (g)= P2(g) +3H2(g) Kp=398 at 873K
The initial concentrations of Pb2+ and Ag+ are 0.05M and for Cl- 1.5M. Assume all the present Pb2+ and Ag+ precipitate out of solution. Use the remaining Cl- concentration and the Ksp and Kf reactions for AgCl and AgCl2-, respectively, to determin..
A 247-ln fullback runs the 40-yd dash at a speed of 19.99 +/- 0.10 mi/h and has a wavelength of 7.79E-37. What is the uncertainty in his position based on the de Broglie wavelength
ultramarine ultramarine is a deep blue color and a pigment which was originally made by grinding lapis lazuli into a
Compute the pH after the addition of 0.0mL, 5.00mL, 18.0 mL, 25.0mL, 38.0mL, 50.0mL and 65.0mL of 0.200 M NaOH (aq) to 50.00mL of 0.100 M malic acid, L-hydroxybutanedioic acid. pka1=3.459, pka2=5.097
Acid and base
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