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AP Chemistry Test (Chapter 4) Please use the answer sheet!
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16 Mar 2014 · 2 Write the name for each of the following compounds. 41. NH4NO2 ammonium nitrite 51. K2SO3 potassium sulfite 42. MgF2 magnesium fluoride 52. Cu2S copper (I) sulfide 43. Ba(CIO3)2 barium chlorate 53. Mn(ClO4)4 manganese (IV) perchlorate 44. Al2S3 aluminum sulfide 54. ZnBr2 zinc bromide 45. Sn(SO4)2 tin (IV) sulfate 55.
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4 (sodium oxalate, colorless) with KMnO 4 (deep purple). •MnO 4 – is reduced to Mn2+ (pale pink), while the C 2O 4 2– is oxidized to CO 2. •The equivalence point is indicated by the presence of a pale pink color. •If more KMnO 4 is added, the solution turns purple due to the excess KMnO 4. •What is the balanced chemical equation for ...
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Chapter 4
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H = 4.53/3.41 = 1.33 or 4/3 O = 3.41/3.41 = 1.0 We can multiply by 3 to get C = 3, H = 4, and O = 3 So the empirical formula is C 3H 4O 3 The molecular weight of the empirical formula is: C 3 x 12 = 36 H 4 x 1 = 4 O 3 x 16 = 48 formula weight = 88 g/mole since the true molecular weight is twice this, the molecular formula is 2 x C 3H 4O 3 or C ...
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reaction. In your answer, explain how stoichiometry affects the kJ of energy involved in a reaction. STOICHIOMETRY 4. If 4.11 g of Iron are added to 317 mL of Hydrogen Sulphide gas at STP, will both reactants be totally consumed? What mass of products will we obtain? 5. 35.0 g of copper (II) iodide reacts with 39.0 g of silver nitrate.
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Assessment Chapter Test B - Ed W. Clark High School
8 Mar 2016 · Modern Chemistry 88 Chapter Test Chapter: States of Matter PART I In the space provided, write the letter of the term or phrase that best completes each statement or best answers each question. _____ 1. According to the kinetic-molecular theory, particles of an ideal gas a. attract each other but do not collide. b. repel each other and collide.
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Chemistry Topic 4 KNOWLEDGE Chemical calculations …
Chemistry Topic 4 KNOWLEDGE Chemical calculations ORGANISER Section 1: Chemical calculations Key Terms Law of conservation of mass No atoms are destroyed or created during a chemical reaction. The total mass of the products is the same as the total mass of the reactants. Some reactions appear to give a change in mass, but this is because a gas may
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