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Newest Reactions Questions

1. 1. __ZnS + __HCl → __ZnCl2 + __H2S2. __HCl + __Cr → __CrCl2 + __H2 3. __Al + __Fe3O4 → __Al2O3 + __Fe 4. __H2 + __Br2 →
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2. Rxn of P with Cl2
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   2. asked by Rizwan kakar
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3. Acid-base reactions, such as this one, can also be classified as which type of reaction?NaOH(aq) + HCl(aq) → NaCl(aq) + H2O(l)
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   2. asked by blobby
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4. Which statement correctly compares synthesis and decomposition reactions?
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5. Sodium hydroxide n aOH and hydrochloric acid HCI combine to make table salt NaCl and water H2O which equation is balanced
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   2. asked by Terry
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6. The following chemical reaction takes place in aqueous solution:FeCl2(aq) + Na2S(aq) —> FeS(s)+2 NaCl(aq) Write the net sonic
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7. Predict the products of the reaction below. That is, complete the right-hand side of the chemical equation. Be sure your
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8. Will 70% isopropyl alcohol work for elephants toothpaste
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9. Consider the reaction of ethane (C2H6)with oxygen to yield H2O and Co2 represented by the unbalance equation
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   2. asked by Reath pal
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10. Trying to formulate zinc shulphate mono hydrate fro zinc ash 60%zn .using sulphuric acid as leaching agent how much zinc
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11. Rust formation is represented as iron + oxygen rust + energy.Which describes this reaction? Rust formation is an endothermic
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12. Optional Sentence Starter:"The dye might have transferred to the shirt because..." "When the clothes were washed, the shirt got
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    2. asked by hi
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13. Write the chemical equation for the reaction between boron and fluorine
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    2. asked by Hesingne Zironang
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14. When two liquids are mixed in a test tube, a precipitate forms and the test tube feels cold to the touch. How can you describe
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15. BaCl2 is reacted with Na2SO4 is it endothermic or exothermic reaction
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16. the reaction between CaCl2 and Na2CO3 to form CaCO3. is the reaction virgorously
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17. Does iron undergo reduction when it rusts
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18. Is Li(s) —> Li+(aq) + e an example of oxidation
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19. What happens when a strip of plastic is placed in a silver nitrate solution
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20. What happens when a strip of zinc is placed in a silver nitrate
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21. What color does litmus paper turn in basic solution?Responses red red yellow yellow blue blue black
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22. write the equations for Ba with HCl acid and Ca with HCl acid
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23. will MgCl2 reacts with NaCl to form precipitate
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24. write the net ionic equation of the reaction between MgCl2 and Na2CO3
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25. write the net ionic equation of the reaction between MgCl2 and Na2SO4
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26. write the equation of magnesium with water and the equation of calcium with water
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27. when adding a piece of clean magnesium and calcium into separate tubes containing 3ml of water to each, which element reacts the
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28. Reaction 118) For incomplete Reaction 1 (above), the mass of the missing product should be... (2 points) * 2 points -1 0 1 10
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29. Observation made when chlorine is bubbled in water
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    2. asked by Jane wairimu
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30. 1)Write an equation showing how aluminium oxide dissolves in sodium hydroxide2)Why is carbon(iv)oxide bubbled through the
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    2. asked by Maggie. K
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31. Identify all the spectator ions in the following reaction.2KMnO4(aq) + 10FeSO4(aq) + 8H2SO4(aq) --> K2SO4(aq) + 2MnSO4(aq) +
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32. Reaction A (above) starts as an orange solution in equilibrium. If SCN- is removed from the mixture, what color is the solution
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33. what is the net ionic equation of the reaction of ZnCl2 with NaOH?
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34. What causes salt to dissolve in ethanol? And what type of reaction is this
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35. Differentiate between acidification and neutralization
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36. potassium and water is 50 g in masswill potassium hydroxide and hydrogen be 60 g in mass? if not, what is the mass of potassium
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    2. asked by no!!!!
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37. The diagram shows a test tube of pure copper (II) sulfate, CuSO4, solution before, during, and after the addition of iron, Fe,
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    2. asked by shhh
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38. Question 2 (6 points)Match each definition to its correct vocabulary word. This question covers the vocabulary in Unit 5. Column
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39. .When bread dough is baked in an oven, what type of reaction occurs? exothermic endothermic gas atomic
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40. Which two statements below are TRUE of the reaction above? Choose the 2 correct statements. a In the forward reaction, ammonia
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41. Predict whether a reaction will occur when elemental bromine and lithium chloride are mixed.
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42. If an excess of zinc metal is placed in a copper(I) sulfate solution, the zinc will displace the copper.If 10.8 g of copper(lI)
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43. ______ involves a fuel reacting with oxygen gas to form carbon dioxide and water.Responses A oxidationoxidation B combustion
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44. Show that the following reactions are oxidation-reduction reactions indicating with reasons the oxidizing and reducting1>2H²S+S
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45. Will bromine water when added with palm oil evaporate when a drop is placed on a filter paper
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    2. asked by Sinachi
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46. A chemist wants to observe the following reaction:2H2 + O2 à 2H2O The chemist is standing beside a balloon filled with
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47. A scientist mixes Substance A with water and Substance B with water. Then she mixes the solutions of Substance A and B. A solid
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48. Classify the reaction as endothermic or exothermic. Select the single best answer.exothermic endothermic cannot be determined
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49. Reaction A (attached) starts as an orange solution in equilibrium. If SCN- is REMOVED from the mixture, what color is the
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50. An aluminum patio chair reacts with the oxygen in the air. A layer of aluminum oxide forms on the chair. The formation of
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    2. asked by e
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51. The synthesis of water is described by the equation 2H2 + O2 → 2H2O. How is the decomposition of water related to this
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    2. asked by e
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52. 2Ag + MgBr2 -+ Mg + 2AgBrThis reaction is a (Choose one) reaction. X Part 3 of 3 2Na + Br2 -+ 2NaBr This reaction is a (Choose
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53. Which of the following is formed when an acid reacts with a base?a) Alkaline b) Hydrogen ion c) Hydroxide ion d) Salt
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54. Methane reacts with Oxygen to produce carbon dioxide, water, and energy.What type of reaction is this? No Reaction Endothermic
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55. Which statement explains why the electrolysis of hydrochloric acid (HCl) is an endothermic reaction?(1 point)Responses It
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56. When carbon and oxygen react ____kJ ofenergy are (released / absorbed)
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57. Indentify the precipitate of this reaction : CaCl2 + 2AgNO3 → Ca(NO3)2 + 2AgCl
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58. Use the information in the table to answer the question.Reaction Bonds Present Energy of Bonds Broken and Formed (kJ/mol) C + O2
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59. Which statement explains why the electrolysis of hydrochloric acid (HCl) is an endothermic reaction?It results in two distinct
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    2. asked by trose
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60. Snow forming from liquid water is an indication of a _____________ reaction.(1 point) Responses nuclear nuclear hydrophobic
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61. Which statement correctly compares synthesis and decomposition reactions?(1 point) Responses Synthesis and decomposition
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62. Acid-base reactions can also be classified as which type of reaction?(1 point) Responses decomposition decomposition double
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63. Which reaction is endothermic? (1 point) Responses S + O2 → SO2 S + O 2 → SO 2 2CO + O2 → 2CO2 2CO + O2 → 2CO 2 N2 + O2
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64. Which substances will make a salt when combined?a) Vinegar and soda b) Soda and wine c) Detergent and ammonia d) Fertilizer and
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65. Balance the equationH2O(g)+Fe(s)
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66. In the decomposition of water, why is twice as much hydrogen as oxygen formed?(1 point) Responses There are two atoms of
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67. In the equation 2H2 + 1O2 →→ 2H2O if you change the 2H2 to 3H2 molecules and balance the equation, which statement is
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68. Write an ICE chart with "x" values as appropriate for the reaction 3 E arrow 2 F + G that starts with 0 M E, 8 M F, and 6 M G.
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    2. asked by d
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69. The balanced reaction for the above titration is:NaOH(aq) + HCl(aq) → NaCl(aq) + H2 O(l) Calculate the concentration of the
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    2. asked by khonka mayile
    3. 67 views
70. Use the reaction to answer the question. NH3 + H2O → OH– + NH4+ Which statement about the reaction is correct? (1 point)
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71. Use the reaction to answer the question. HCl + H2O → Cl–+ H3O+ Which statement about the reaction is correct? (1 point)
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72. Which substances will make a salt when combined?a) Vinegar and soda b) Soda and wine c) Detergent and ammonia d) Fertilizer and
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73. What type of reaction is CO2 + H2 = HCOOH endothermic or exothermic
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74. When excess dilute hydrochloric acid was added to sodium carbonate,960cm³ of carbon(IV)oxide gas was to produced.Calculate the
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75. Which generalized equation represents a double-replacement reaction?(1 point)Responses A + B → AB A + B → AB AB + CD → AD
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    2. asked by Me-Myself+I
    3. 70 views
76. What happens when sodium burns in oxygen
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    2. asked by kesh sport nation
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77. Will Iron (Fe) replace Sodium (Na) for the single replacement reaction to occur? 2. Will Aluminum (Al) replace Lead (Pb) for the
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78. Using the Bronted- Lowry acid base theory what is the balanced net ionic equation forHousehold ammonia and sodium hydrogen
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79. Acid-base reactions can also be classified as which type of reaction
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    2. asked by Me
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80. You are breaking water modules down to get hydrogen, gas and oxygen gas what is reactive and what is the product?
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81. Classify each substance from the reaction
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82. When magnesium hydroxide reacts with nitric acid, it produces magnesium nitrate and water.Mg(OH)2+2HNO3→Mg(NO3)2+2H2O In one
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    2. asked by aaagtuygy
    3. 52 views
83. Aluminum oxide, Al2O3, decomposes into aluminum, Al, and oxygen gas, O2. Which ratio of aluminum to oxygen gas is in the
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    2. asked by aaagtuygy
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84. balanced equilibrium equation for carbon monoixde reacting with oxgen to create carbon dioxide
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85. Part A: The equation shows a reaction that occurs during the decomposition of a grasshopper's body. In which way does this
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    2. asked by max
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86. Calcium oxide and carbon dioxide combine to form calcium carbonate in the reversible reaction:CaO + CO2 ⇌ CaCO3 When the
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    2. asked by u dont know me
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87. At 186°C, sucrose begins to caramelize. Creme brulee is a dessert that involves the caramelization of sugar. Sugar is placed on
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88. Which of the following steps will slow down the reaction between coal and oxygen?a Increase the temperature of coal b Keep the
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89. In the reaction of solid zinc with hydrochloric acid (HCl), the products of hydrogen gas and aqueous zinc chloride and produced.
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90. What are the products in the reaction below? Choose the 2 correct answers.
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91. Will the following replacement reaction occur?
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92. Which phrase best defines a redox reaction?(1 point) Responses a reaction in which electrons are transferred between different
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93. what coeffician can i add to KOH to make it balanced withH=2 + K=2 O=1 O=1 explain why
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94. One molecule of bromine (Br2) and two molecules of potassium chloride (KCl) combine in a reaction. How many atoms are in the
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95. Nitric acid (HNO) and potassium hydroxide (KOH) combine in a neutralization reaction to form water and a salt. Which of the
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96. Choose the 3 reaction types below that are also considered REDOX reactions. Choose 3 correct answers a Decomposition reactions b
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    2. asked by easy E
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97. Will the following replacement reaction occur?MgI2+Cl2 → ? (1 point) Responses Yes, it will because the iodine will replace
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    2. asked by ash markens
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98. Which substances will make a salt when combined?a Vinegar and antacids b Soda and wine c Soap and ammonia d Fertilizer and
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99. In the reaction below, NH3 is acting as a* 1 point Captionless Image Bronsted Lowry Acid Bronsted Lowry Base
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100. Use the reaction to answer the question. 2KCl → 2K + Cl2 Which type of reaction is shown? (1 point) Responses decomposition
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     2. 100 views