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- Equation 11.5: Starch + I2 ---> blue color Table 11.5 (data) Substance Tested Solids Rate of O2 Evolution Iron (III) oxide (Fe2O3 Manganese dioxide (MnO2) Solutions 0.1 M iron (III) Chloride (FeCl3) 0.1 M manganese (II) chloride (MnCl)2) 0.1 M sodium chloride (NaCl) 0.1 M potassium chloride (KCl) 6 M sodium hydroxide (NaOH) 6 M hydrochloric acid (HCl)H2. In the synthesis of aspirin, is solid sodium hydroxide a satisfactory catalyst? Please explain with the reaction mechanism and equations Please give typed answerHello, I am having trouble with this lab question. 3. Calculate the rate for 40 years (from 1980 to 2020) – change of the rate in a year.( Y2-Y1) / (X2-X1) = (CO2_end – CO2_begin) / (Yearend – Yearbegin)What is the rate? Im not sure if I am doing it correctly ( 412.46 - 338.91) 40 years - 0 ? year mean 1980 338.91 1981 340.11 1982 340.86 1983 342.53 1984 344.08 1985 345.55 1986 346.96 1987 348.68 1988 351.16 1989 352.79 1990 354.05 1991 355.39 1992 356.1 1993 356.83 1994 358.33 1995 360.18 1996 361.93 1997 363.05 1998 365.7 1999 367.8 2000 368.98 2001 370.57 2002 372.59 2003 375.14 2004 376.95 2005 378.97 2006 381.13 2007 382.9 2008 385.01 2009 386.5 2010 388.76 2011 390.64 2012 392.65 2013 395.39 2014 397.34 2015 399.65 2016 403.09 2017 405.22 2018 407.61 2019 410.07 2020 412.46
- Please help me with these question, I don't understand 1) (list) Ways to monitor rate law 2) Heat of formation calculation 3) prediction(finding missing rate question) 4) Hess's law (multiply, reverse, general final answer)Here is the following reaction at 25.0 °C Hg(OH)2 (aq) + CaCl2 (aq) →2HgCl (s) + Ca(OH)2 (aq) experiment [Hg(OH)2] (M) [CaCl2] (M) Initial rate (M/s) 1 0.022 0.0022 5.0 ×10-4 2 0.085 0.0022 7.5 ×10-3 3 0.022 0.50 5.0×10-4 If the initial concentration of [Hg(OH)2] is 0.240 M and the initial concentration of [CaCl2] is 0.55 M. Calculate the concentration of [Hg(OH)2] after 30.0 seconds.Answer plz fast The balanced equation for this reaction is shown below: 3 NaHCO3(aq) + H3C3H5O7(aq) → Na3C3H5O7(aq) + 3 CO2(g) + 3 H20(l) Devise an experiment to determine the overall order of reaction (be specific in your answer)...
- Solve Problem 11 if 100 grams of chemical A are present initially. At what time chemical C half-formed? data 11. Two chemicals A and B are combined to form a chemical C. The rate, or velocity, of the reaction is proportional to the product of the instantaneous amounts of A and B not converted to chemical C. Initially there are 40 grams of A and 50 grams of B, and for each gram of B, 2 grams of A are used. It is observed that 10 grams of C are formed in 5 minutes. How much is formed in 20 minutes? What is the limiting amount of C after a long time? How much of chemicals A and B remains after a long timeThe gas phase reaction 2 N2O5(g) → 4 NO2(g) + O2(g) has an activation energy of 103 kJ/mol, and the first order rate constant is3.98×10-3 min-1 at 303 K. What is the rate constant at 333 K? answer in: min-1Table 2: Molarity of H2O2 and KI and Reaction Rate Trial H2O2 Concentration, M KI Concentration, M Reaction Rate(Reciprocal Slope) 1 0.29 M 0.40 M 14.08 2 0.29 M 0.20M 25 3 0.023 M 0.40 M 20 Rate constant value Trial 1 ______________ Trial 2 ______________ Trial 3 ______________ Average _____________
- Table 2: Molarity of H2O2 and KI and Reaction Rate Trial H2O2 Concentration, M KI Concentration, M Reaction Rate(Reciprocal Slope) 1 2 3 Order with respect to H2O2 ___________________ Order with respect to KI ______________________Reaction of interest : S2O82-(aq) + 3I- (aq)→ 2SO42-(aq) + I3-(aq). rate= k[S2O82-]1[I-]1.EXPERIMENT Prepare 2 clear glasses. Label the glasses with letter A and B Put cold water in letter A and hot water in letter B Dissolve 1 tablespoom of sugar in cups letter A and B Observe where the sugar will dissolve first. In A? or glass B? FACTORS AFFECTING THE RATE OF REACTION OBSERVATION CONCLUSION