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- Zinc is one of the most valuable metals in the building and construction industry. One of the many ways to obtain zinc is to extract it from natural sources such as ores. The chief ore mineral of zinc is sphalerite (zinc sulfide). Zinc is extracted from sphalerite by performing the following steps: Step 1: The ore is reacted with oxygen gas at around 900ºC in a furnace to form a zinc oxide precipitate and sulfur dioxide gas.Step 2: The precipitate is then reacted with graphite (C(s)) to eventually produce solid zinc and carbon monoxide gas. A. Write the balanced chemical reactions for steps 1 and 2 separately. Indicate the states of the reactants and products (s, l, g). B. In step 2, is graphite acting as the reducing agent or the oxidizing agent? C. Calculate the theoretical yield of solid zinc if 432.4 grams of the sphalerite ore is made to undergo the extraction process outlined above. Express your answer in 4 significant figures. D. If in an actual extraction experiment, a chemist…If the given statement is true, write T. Otherwise, write F and explain why it is false. 1. Electrochemistry results from the movement of protons from one atom to another. 2. Chemical equilibrium occurs when the concentrations of both reactants and products become constant.Give detailed Solution with explanation needed..don't give Handwritten answer..don't use Ai for answering this
- (A) if both sentences are true,(B) if both sentences are false,(C) if the first sentence is true but the second is false, and(D) if the first sentence is false but the second is true. 1. An acidic and a basic solution may be used to balance the redox reaction when the oxidation number method is employed. The final step in balancing redox reactions using the oxidation number method is to balance by inspection. 2. In the oxidation number method of balancing redox reactions, there is a need to add water and hydroxide ions on both sides of the chemical reaction. The oxidation state of oxygen is always (-2) except for peroxides. 3. In the half-reaction method of balancing redox reactions, the reaction is divided into three half-reactions. In a redox reaction, the oxidation number of iron changed from +2 to +3; thus, sulfur is an oxidizing agent. 4. In a redox reaction, the oxidation number of iron changed from +2 to +3; thus, sulfur is a reducing agent. In a redox reaction, the oxidation…Enter the following oxidation-reduction reaction into the answer blank. Be sure to use proper formatting and to include physical states. 2Ag" (ag) + Cu(s) –→ 2Ag(s) +Cu²* (ag) X| x. He -, fagl. 8.Q2 Sulphur trioxide gas is obtained by the combustion of pyrites (FeS2) according to the following reaction: 4FES, + 150, 2Fe,03 + 8S0, The reaction is accompanied by the following side reaction: 4FES, + 110, 5Fe,0, + 8S0, Assume that 80% (weight) of the pyrites charged reacts to give sulphur trioxide and 20% reacts giving sulphur dioxide. a) How many kilograms pf pyrites charged will give 100 kg of SO,? b) How many kilograms of oxygen will be consumed in the reaction? Mwt: C,Ha = 42, NH, = 17,02 = 32, C,H,N = 53, H20 = 18, N2 = 28, FeSz = 120 Fe20, = 136, SO, = 80, SO, = 64
- Lithium batteries are used throughout our modern world – in cell phones, laptops, tablets, etc. In fact, if you are regularly recharging your device, it’s highly likely it contains a lithium ion battery. The lithium iron phosphate battery provides stable function over time. The overall reaction for the lithium iron phosphate battery is below: LiFePO4 + 6 C -> LiC6 + FePO4 A certain lithium battery weighs 0.6 g and has a capacity of 2250. mA hr (that is, the cell can store charge equivalent to a current of 2250. mA flowing for 1 hr). What is the capacity of this cell in coulombs? What mass of the reactants is needed to deliver 2250. mA hr? What percentage of the cell mass consists of reactants?Classify the reaction below as redox or non-redox 2KOH+H2SO4 --->K2SO4+2H2OHow many bromide ions are there in 2.0 L of 1.0 M MgBr2 (aq)? MUST SHOW ALL WORK
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