Give at least 2 significant examples of chemical reactions that falls on change in intrinsic properties and production of light. 2. Enumerate chemical reaction that may bring benefit or harm to life as well as to environment. Give 1 example for beneficial and 1 for harmful 3. Given the statements, write the chemical equation and label the reactant and product a. Aluminum (Al) reacts to oxygen (O2) to form Aluminum oxide (Al2O3). b. The reaction of sulfuric acid (H2SO4) and sodium hydroxide to produce sodium sulfate (Na2SO4) and water

Q: Polychlorinated biphenyl (PCBs) are environmental contaminants composed of carbon, hydrogen, and…

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Q: 13. For the complete combustion of 1-pentene (C-H₁), how many liters of carbon dioxide gas will be…

A: Using ideal gas equation and molar volume at STP is required to obtain the desired values.

Q: The thermite reaction, Fe2O3 + Al → Al2O3 + Fe produces so much heat that the Fe product melts. a.…

A: a) Given :-  The given thermite reaction is Fe2O3 + Al → Al2O3 + Fe…

Q: The complete combustion of octane occurs according to the following balanced equation: 2 C3H18(1) +…

A: What additional product produced by the incomplete combustion ?

Q: 59. Complete and balance each of the following combustion re a. C6 H6 (1) + O2 (9) → b. C5 H12 (1) +…

A: 1.Combustion Reactions: A combustion reaction is a reaction in which a substance reacts with oxygen…

Q: Part A An iron ore sample contains Fe2O3 together with other substances. Reaction of the ore with CÓ…

A: Given, α Fe2O3 (s)  +  β CO (g)                     ϒ Fe (s)  +  δ CO2 (g)  Weight of Fe2O3 = 0.310…

Q: 19. The chemical equation for photosynthesis is _CO2 (g) + H₂O (1)→____C6H1206 (s) +_ (C6H12O6 is…

A: The given chemical equation for photosynthesis is CO2(g)+H2O(l)→C6H12O6(s)+O2(g). Amount of CO2…

Q: a. KO2(s) + H20(1) → KOH(aq)+ O2 (g) + H2O2(aq) b. Fe, O3 (s) + HNO3(aq) → Fe(NO3)3 (aq) + H2O(1) c.…

A: Using hit trial method   In this method we have to equal all elements both side of arrow by…

Q: 55. Although copper can be found in its elemental form in nature, it is often extracted from…

A: •Given:- Copper present elemental form. •It can be also extracted from its compound carbonate or…

Q: Imagine you mix 16.05 g of methane (CH4) gas and 96.00 g ofoxygen (O2) gas and then ignite the…

A: First order reaction is a reaction that proceeds at a rate that depends linearly on only one…

Q: 1. Write the balanced equation for the single-replacement reaction of zinc and hydrochloric acid to…

A: Single-replacement reaction: A reaction in which one reactant is exchanged for one ion of a second…

Q: 7.5 g aluminum was heated with sodium chlorate (NaClO3) in an evacuated glass vessel. The heating…

A: A numerical problem based on the oxidation of Al into Al2O3, which is to be accomplished.

Q: Part A An iron ore sample contains Fe2 O3 together with other substances. Reaction of the ore with…

A: To balance the equation we have to balance the number of each atom on both reactant and product…

Q: The Hall process for the production of aluminum involves the reaction of aluminum oxide with…

A: Mass of aluminum = 10 kg                             = 1.0*103 g     Number of moles of Al produced…

Q: 1. KO2 -readily reacts with moisture to produce oxygen gas, potassium hydroxide, and hydrogen…

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Q: Calcium nitrate and sodium hydroxide produce sodium nitrate and calcium hydroxide. Write the…

A: Write the balanced reaction and classify the reaction--

Q: Calculate the theoretical yield and the percent yield for the reaction of aluminum and ozone…

A: Answer: This question is based on the concept of limiting reagent. Limiting reagent is the reactant…

Q: 1. Sample A weighs 30.00 g and displaces 15.00 mL of water. Sample B weighs 20.00 g and displaces…

A: Density - It is the ratio of mass and volume.  Physical Properties - It is a characteristic of a…

Q: For each reaction scenario below, predict the products of the reaction, and write a complete…

A: Electrolysis is a technique that uses direct electric current  to movve forward a non- spontaneous…

Q: CH4 + O2 → CO2 + H2O a. Balance the equation. b. How many moles of CO2 are produced from 10 moles…

A: A balanced chemical equation states that the number of elements in the reactant side is equal to the…

Q: In experiment #7, you observed the formation of carbon dioxide by reacting baking soda with vinegar.…

A: When baking soda and vinegar reacts, carbon dioxide is formed as a product.

Q: se the following information to answer this question. CAle) + 3CuClz(ag)→2AICI3(aq) + 3Cu(s) word…

A: Given- 2Al+3 CuCl2->2AlCl3+3Cu

Q: EQUATION-WRITING EXERCISE Use your understanding of common chemical reactions to write the chemical…

A: 1. P4 + 3 O2 → 2 P2O3   2  2CH3CHO + 5O2 → 4CO2 + 4H2O 3.  2Al + 6HCl → 2Al­Cl₃ + 3H₂↑…

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A: The objective of the question is to understand the conditions necessary for different types of…

Q: ce 24: Module 1 Assignment Booklet 18 For questions 5 to 9, read each question carefully. Decide…

A: Answer:- This question is answered by using the simple concept of type of chemical reactions.

Q: Octane has a density of 0.703g/ml. Calculate the mass of CO2 produced by burning one gallon of…

A: Density of octane = 0.703 g/ml  Volume of one gallon = 3.79 L  Mass of CO2 produced by burning one…

Q: Consider the following reaction: Fe2+ (aq) + 2Cl¯ (aq) →→→→Fe(s) + Cl₂ (g) To make this reaction…

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Q: 8. Write balanced chemical equations for the following reactions. a. The reaction of gaseous…

A: A chemical reaction will be called balanced when all atoms in reactants and products will be equal.…