1C. Effect of CatalystTest Catalytic materialto be testedReferenceObservationtube #Catalyst present(Yes or NO)1Clear solution, No fizzing(plain H2O2)Vigorous fizzing, fast evolutiongas/bubbles2KIof3PbO2Vigorous fizzing, Very fast evolution ofgas/bubblesCopper wireNo Change, No fizzing, No bubbles5Fresh potatoModerate fizzing, slow bubbles evolutionBoiled potatoVery slow fizzing, Few bubbles4.

The fizzing activities in test tubes is due to the presence of enzyme catalase which is acting as…

Answered: 1C. Effect of Catalyst

Science

Chemistry

1C. Effect of Catalyst

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Similar questions

Determine whether each of the following reactions would have a positive or negative AS value. a. 4BrCl (g) + C (s) → CCl4 (g) + 2Br2 (1) b. CS2 (g) + 2HCl (g) → CSC1₂ (g) + H₂S (g) c. SF4 (g) + 2H₂O(g) d. 2Al(s) + 2NaOH (aq) + 2H₂O (1) SO₂ (g) + 4HF (g) ->>> 2NaAlO2 (s) + 3H₂ (g)
Distinguish between a refrigerator and a Carnot engine
1) Would you expect the calorimeter constant of the cup to be larger, smaller, or the same as that if the beaker? Briefly explain.
4) Synthesis of ammonia by the Haber process occurs by the reaction N22) + 3H2g) 5 2NH3(g) Species AH (kJ mol"') 4S° (J mol- K-') H2(g) 0. 130.7 N2(8) 0. 191.6 NH3(8) -46.1 192.5 Assuming that AH° and AS° are essentially unchanged in the temperature ranging from 25 °C to 400 °C: a. Calculate K at 25 °C. b. Calculate K at 400 °C. (R= 8.314 J mol- K')
→ C ||| = www-awa.aleks.com/alekscgi/x/Isl.exe/1o_u-lgNslkr7j8P3jH-lvgXwPgmUhvlCeeBZbuluBY TUHz/m/I OTHERMOCHEMISTRY Calculating the heat of reaction from molar reaction enthalpy a... A chemist measures the energy change AH during the following reaction: Cl₂(g)+H₂(g) → 2 HCl(g) Use the information to answer the following questions. This reaction is... Suppose 68.3 g of Cl₂ react. Will any heat be released or absorbed? 75°F Sunny If you said heat will be released or absorbed in the second part of this question, calculate how much heat will be released or absorbed. Explanation ΔΗ = - 184. kJ Round your answer to 3 significant digits. Check endothermic. O exothermic. O Yes, absorbed. O Yes, released. O No. H Q Search 0 0x10 X S a C 4 4 1/3 Andrew V Relate © 2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibility 25 4 ? ➤III olo Ar 7:37 PM 7/16/2023
17
Per x M Inb x 31799#/7231799/2/0 ted 13 out of 16 16 P11 Essentials of General, Organic, and Biochemistry Denise Guinn THIRD EDITION The table lists the specific heat values for brick, ethanol, and wood. Specific Heats of Substances Substance Brick Ethanol Wood heat added: P S per: X 20 effe x CDC He: X JA 6 Specific Heat 0.20 0.58 0.10 B 10 X 4 gºC Calculate the amount of heat, in calories, that must be added to warm 96.8 g of brick from 21.3 °C to 42.4 °C. Assume no changes in state occur during this change in temperature. W 4 Calculate the amount of heat, in calories, that must be added to warm 96.8 g of ethanol from 21.3 °C to 42.4 °C. Assume no changes in state occur during this change in temperature. ○바 8 No X 9 EC eth X 0 Sm X 00 39 HR MIN SEC 0/R Sm x Resources + presented by Macmillan Learning G ا ا ا 200 L Next Qu cal 40 1
In 1-3 sentences, explain how a reaction can have a decrease in entropy but still be spontaneous.
JLK/m 23. Nitric oxide reacts with chlorine to form NOCI. 1. 2NO(g) + Cl2(g) → 2NOCI(g) Substance: NO(g) Cl2(g) AH° (kJ/mol) 0 90.29 at 298 K AG° (kJ/mol) 86.60 0 at 298 K S°(J/K • mol) 210.65 223.0 at 298 K What is AG°xn for this reaction at 550. K? A. -143.76 kJ/mol B. -78.78 kJ/mol C.-22.24 kJ/mol D.-10.6 kJ/mol E. 66600 kJ/mol NOCI(g) 51.71 66.07 261.60