the heat of combustion of benzoic acid. based on the data and the graph, what is the drift rates the initial and final drift rates (??⁄??)? and (??⁄??)?
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the heat of combustion of benzoic acid.
based on the data and the graph, what is the drift rates the initial and final drift rates (??⁄??)? and (??⁄??)?
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- For the following reaction, use the plots below to determine the reaction order with respect to NO₂ (g): Reaction: 2NO₂ (g) → 2NO(g) + O₂ (g) [NO2] vs Time 0.010 0.008 0.006 y = -1.017E-05x + 6.942E-03 R² = 0.8954 0.004 0.002 0.000 200 300 400 500 Time (s) In[NO2] vs Time -4.5 -5.0 y = -2.250E-03x -4.933 R² = 0.9737 -5.5 -6.0 -6.5 300 400 500 Time (s) [NO2] In[NO2] 0 100 100 200 600 6001s²25²2p°3s²3pC8H1002 55610 170 C8H100 58466 L 160 150 140 130 120 110 100 90 80 C5H1002 59252 III 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 70 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 60 ppm ppm ppm
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- Time (s) (AB] (M) 0.950 50 0.459 100 0.302 150 0.225 200 0.180 250 0.149 300 0.128 350 0.112 400 0.0994 450 0.0894 0.0812 t be 500The following linear plot is derived from a function of the form Y = ae", where a and b are constants. 7 6 5 4 2 1 0 0.1 0.2 0.3 0.4 0.5 0.6 For the function y = ae' bx from which the data points on the graph were derived, the numerical value of the constants are a = and b = In yWhat is the meaning of a confidence interval?
- For each problem, you must: 1) Calculate the degree of unsaturation. -1 2) Assign the principal IR absorption bands above 1500 cm 3) Draw the structure of the compound 4) Label the protons on your structure with letters and assign them to peaks on the NMR spectrum (see the example below). 4.0 C 2H 3.5 3.0 2.5 D 1H 3.0 This peak is a magnified version of this peak A 2.8 2.0 1H B zum 2.6 B 2H Each problem contains the formula of the compound, the IR spectrum (with axes in cm³¹ vs. % transmission), and the ¹H NMR spectrum (with axis in PPM shift). Some NMR spectra show a peak hovering above the baseline. This is a magnified view of one of the actual peaks, to allow you to see splitting more clearly. 1.5 2.4 OHD A 3H 1.0 PPM 0.5Use the References to access important values if needed for this question. Two-Step Algebra a =b+ cd lne In order to solve the equation above for d, you must: Step One Add the same expression to each side of the equation to leave the term that includes the variable by itself on the right-hand side of the expression: -b ta =-bv +b+ cd Ine Step Two Multiply both sides of the equation by the same expression: x(a - b) = xcd Ine The resulting equation is: d = SubmitThe outside temperature can be estimated based on how fast crickets chirp. At 104 chirps per minute, the temperature is 6363 °F. At 176 chirps per minute, the temperature is 8181 °F. Using this information, you can make a formula that relates chirp rate to temperature. Assume the relationship is linear, that is the points form a straight line when plotted on a graph. What is the temperature if you hear 128128 chirps per minute?