YaipiraGCSE Chemistry: Balancing EquationsW. MatthewsBALANCING EQUATI ONSBalance the following equations and fill in the checks.1.Zn +HCI->ZnCl, +H2LeftRightZnCI2.Cao+ HCI → CaClH2OLeftRightCaHCI3.NaH2SO, → Na,SO, + H2LeftRightNa4.Al + Fe,O3 →Al,O3+ FeLeftRightAlFe5.CuO + C → Cu + CO2LeftRightCu

Balanced chemical equation are those in which number of atoms on left hand side and right hand side…

Yajaira GCSE Chemistry: Balancing Equations W. Matthews BALANCING EQUATIONS Balance the following equations and fill in the checks. 1. Zn + HCI -> ZnCl, + H2 Left Right Zn H CI 2. Cao + HCI → CaCl + H2O Left Right Ca CI 3. Na H2SO, → Na,SO, + H2 Left Right Na 4. Al + Fe,O3 → A,O3 + Fe Left Right Al Fe 5. CuO + C → Cu + CO2 Left Right Cu C

Yajaira GCSE Chemistry: Balancing Equations W. Matthews BALANCING EQUATIONS Balance the following equations and fill in the checks. 1. Zn + HCI -> ZnCl, + H2 Left Right Zn H CI 2. Cao + HCI → CaCl + H2O Left Right Ca CI 3. Na H2SO, → Na,SO, + H2 Left Right Na 4. Al + Fe,O3 → A,O3 + Fe Left Right Al Fe 5. CuO + C → Cu + CO2 Left Right Cu C

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

Chapter18: Electrochemistry

Section: Chapter Questions

Problem 29Q: When jump-starting a car with a dead battery, the ground jumper should be attached to a remote part...

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When jump-starting a car with a dead battery, the ground jumper should be attached to a remote part of the engine block. Why?
Consi‎der follo‎wing rea‎ction: HgO (s) -> Hg(l) + ½ O2 (g) Delta H = +90.7 kj/mol. Wh‎at qua‎ntity of h‎eat in kj/mol is req‎uired to prod‎uce on‎e m‎ole HgO? Wri‎te your answer wit‎hout units. Gi‎ven the fol‎lowing data 2Cl‎F(g) + O‎2(g) --> Cl2‎O(g) + F2‎O (g) De‎lta H= 167.4 kJ I 2Cl‎F3(g) + 2O‎2(g) --> Cl‎2O(g) + 3F2‎ O (g) Delta H= 341.4 kJ II 2 ‎F2(g) + O‎2(g) ---> 2F2O‎ (g) Delt‎a H= -43.4 kJ III Calc‎ulate the de‎lta H in kJ for below‎ reaction: ClF(g) + F2(g) ---> ClF3(g)
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