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![pH
log[B2-V[HB-]
0.25
Determine the Ka for BCG
5.04
3
4.74
-0.0482
0.4
-0.227
y=M*x+B
- M=0.967, B= -4.63
4
4.56
5
4.44
-0.325
0.2
0.0
10
11
12
-0.2
13
14
15
-0.4
4.4
16
4.6
4.8
5.0
17
pH
18
90.
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- Help blic Health Ch x 100% 47 HSC 258 - Major Projec X MindTap - Cengage Lea x C The Illustration To- 55750828934189288909969212&elSBN=9781305657571&id%3D1061392007&nbld%321... Q Search References Use the References to access important values if needed for this question. For the following reaction, 65.6 grams of barium hydroxide are allowed to react with 40.9 grams of sulfuric acid. barium hydroxide (aq) + sulfuric acid (aq) >barium sulfate (s) + water (1) What is the maximum amount of barium sulfate that can be formed? grams What is the FORMULA for the limiting reagent? grams What amount of the excess reagent remains after the reaction is complete? Submit Answer35 70 105 140 Mass M/e 175 210 1.1 1.0 0.9 0.8 0.7 what functional groups arepresent? 0.6 0.5 0.4 0.3 0.2 500 1000 2000 0 1500 Q.1 500 Wavenumbers (cm-1) Transmitance BLEKS X A ALEKS-Allie Fleming - Learn X + wu.aleks.com/alekscgi/x/Isl.exe/10_u-IgNslkr7j8P3jH-IQUHIQg6bJxmeSyVpHOEB1plef9xyC5Ca9QIFwtxr00buHbeXUZhX-WNTXJ1_nmqsj0g EocTE5oCPLW220suaHKGGrEdkEV2?10... # 3 E O ADVANCED GENERAL CHEMISTRY Using the general properties of equilibrium constants At a certain temperature, the equilibrium constant K for the following reaction is 0.0056: N₂(g) + O₂(g) 2 NO(g) Use this information to complete the following table. Suppose a 18. L reaction vessel is filled with 0.40 mol of NO. What can you say about the composition of the mixture in the vessel at equilibrium? $ V What is the equilibrium constant for the following reaction? Round your answer to 2 significant digits. 2 NO(g) N₂(0)+ O₂(9) What is the equilibrium constant for the following reaction? Round your answer to 2 significant digits. 3 N₂(0)+30₂(0) 6 NO(g) Explanation -- A 59 R F 1/ 48 % Check 5 ■ T G d- ^ Q Search 6 4+ Y H & 7 all fo O There will be very little N₂ and 0₂. O There will be very…
- Yellow Dye Calibration Curve y = 254.78x - 0.1414 R? = 0.9792 2.5 1.5 1 0.5 0.002 0.004 0.006 0.008 0.01 0.012 Concentration(M) 3. 2. AbsorbanceBlackboard | Miami D x M CHM 1046L_Week 9 x S HOL - Instance A ALEKS - Daniela GALL x Blackboard| A www-awu.aleks.com/alekscgi/x/Isl.exe/1o_u-IgNslikr7j8P3jH-liGmxpvVN4ENzvdYC-70kXyMz36BqJhw3sVP20GT MEASUREMENT AND MATTER Simplifying unit expressions Rewrite this measurement with a simpler unit, if possible. kg-m 4.7 2 m m Note: If you can simplify the unit at all, it may be possible to make more than one simplification. Be sure ロ.口 olapowercho01 Duolingo + FHHS 1st Day Goo.. Class WOIK aCarrer exploration Algebra 2 O Art O chem h.pdf Sign- 12 v Helvetica - Tt =三山BI ACID [H*] [OH*] pH РОН BASE NEUTRAL 1X 10-3 IX 10-6 9 12 NEUTRAL 9.5 4.7 2.0 X 10-3 5.0 X 10-11 4.35
- You obtained the following raw data when setting up a Biuret standard curve: Absorbancy 540nm BSA (mg/ml) 0.158 1 0.210 2 0.260 3 0.305 4 0.360 0.410 0.455 7 0.510 8 0.530 9 0.550 10 0.554 After blanking against a biuret-dH20 sample, the protein concentration of an unknown sample was determined using the same method and an absorbancy of 0.279 was obtained. Set up a standard curve, excluding outliers (experimental and statistical) and determine the protein concentration in the unknown sample in mg / ml (up to 3 significant figures).AP Questions // Questions 10 - 11) A student creates four solutions with varying concentration of FeSCN2 and gathers the following data at 298 K using a spectrophotometer calibrated to 460 nm: [FESCN] Absorbance 1.1 x 10-4 M 0.076 1.6 x 10-4 M 0.112 2.2 x 104 M 0.167 2.5 x 10-4 M 0.199 On the axis below, create a Beer's Law calibration plot for [FESCN2*]. Draw a best-fit line through your data points.[H2O2 (aq)], M 0.0850 0.170 0.250 0.350 0.350 0.350 0.350 [l* (aq)], M 0.100 0.100 0.100 0.100 0.200 0.300 0.400 A [H₂O₂ (aq)] At 1.4 2.9 4.2 5.9 12 18 24 -, (M-s¯¹) x 10-4
- CHM 102 3. The figure below shows a Beer's Law plot for the absorbance of 5 different known solutions of crystal violet along with the equation for the linear regression line (trend line). a. For the equation of the line, what do "x" and "y" each represent? X: y: Absorbance 0.700 0.600 0.500 0.400 0.300 0.200 0.100 0.000 Beer's Law Plot for Crystal Violet y = 6.66E+04x-1.51E-02 R²=9.99E-01 0.00E+00 2.00E-06 4.00E-06 6.00E-06 8.00E-06 1.00E-05 1.20E-05 [crystal violet] (M) b. A sample containing an unknown concentration of crystal violet has an absorbance of 0.231. Calculate its crystal violet concentration using the linear regression equation in the figure. Show your calculation.-858kcal to mcalUnrounded Rounded ε∗,L/μmol 0.0259825 0.0260 Heres the data if needed: TZ # Concentration Absorbance at 430 nmnm 1 33.6480 0.931 2 25.2360 0.757 3 16.8420 0.210 4 8.41200 0.137 5 4.20600 0.122
