What is the product. (1.40 x 10^2) (2.16 x 10^-6)

Q: (c) CN (aq) + CIO2(aq) H2O(1I) CNO (aq) + → H*(aq) CI (aq) +

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Q: 4. AB,(aq) + Nz,L(aq) – > NzB(aq) + AL(aq) 5. AZ4(8) + Q2(8) -- > Z,Q(1) + AO½(s) 2 of 2 Law of…

A: According to the law of conservation of mass , mass of the Substance can not be created or…

Q: 2 Fe + O2→2 FeO 1. The numbers in red boxes are... A. subscripts B. coefficients C. reactants D.…

A: The chemical on left side of arrow are consider as reactant on right side it is consider as product.…

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A: FeCl does not exist.  FeCl3 and FeCl2 exist where iron is in +3 and +2 oxidation state…

Q: Fedh + KAFe(CN)s + KCI O Fe.[Fe(CN).]s O Fe[Fe(CN).]: Fe.[Fe(CN),]: O Fe:[Fe(CN).]

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Q: Use the meaning of the prefix "nano-"  to select the value of "x" in this equation:…

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Q: What percent (%) of 5.0 x 10-3  is 6.4 x 10-5?

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Q: Which one of these are chemical change which ones are physical change? 6) Mg + HCl 7) NH4Cl + H2O

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Q: following reactions as homogeneous or heterogene

A: Homogenous reactions include the reactants and products in the same phase. Heterogeneous reactions…

Q: Distinguish the difference between a coefficient and a subscript?

A: 1.Subscripts are part of the chemical formulas of the reactants and products which indicates the…

Q: 1. Balance the following chemical reaction: C2H5OH • 02 --> CO2+ H20 2. Balance the following…

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Q: Aluminum hydroxide is one component of antacids for hyperacidity. If one tablet contains 178 mg,…

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Q: Determine the mass of CaSO4 in the sample based on the following data to two decimal places mass of…

A: When the sample is heated the water present in the sample is evaporated and anhydrous CaSO4 is…

Q: example of a homogeneous mixture is:     2.65 g Citric acid (H3C6H5O4)     0.023 M KSCN (aq)…

A: An mixture which is made up of two or more different substances through physical combination.

Q: H20(f) – Ca (aq) + OH (aq) + |H2(g) Ca(s)

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Q: Which of the following substances is the best conductor of electricity? diamond, C quartz, SiO2…

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Q: 1. КОН / Н2О L 2. H30* 1. l2, NaOH / H20 M 2. HСI

A: Organic Transformation for the given Mentioned reaction  1st Basic Hydrolysis  2nd Iodoform followed…

Q: 4. Which of the following statements best describes what happens when chocolate melts? a) This is a…

A: Physical Change - These are the changes that change the shape, size, color, state, etc. A physical…

Q: Mixtures and compounds vary in composition with the latter having a 1) compound. The components of a…

A: A mixture is a physical combination of two or more substances. For example, water and salt.

Q: We use the density of water to calculate the mass of water from its volume. The density of water at…

A: Given, density of water =0.998 gmLvolume of water in calorimeter filled =104.6 mLwe are asked to…

Q: <) is 1.106 amu. Estimate the total bindi

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Q: Representing Chemical Reactions For each of the following chemical reactions: Write the balanced…

A: These questions are based on balanced chemical reaction.

Q: How many grams of nitrous acid can be made from 35.19 grams of water? dinitrogen tetrocide (g) +…

A: Given that: Reaction of dinitrogen tetra oxide with water: N2O4(g) + H2O(l) → HNO3(aq) + HNO2(aq)…

Q: 2.96×104 J  to Cal Express the value in Calories to three significant figures.

A: We know that, 1 Cal = 4.184 J  1 J = 1/4.184 Cal

Q: X 12. Which of the following is not 0/1 something which happens during a chemical change: * Gas is…

A: In a chemical change, reactants are converted into the products.

Q: Draw the product of each reaction.

A: A primary alkyl halide reacts with sodium cyanide in order to form an alkyl cyanide. This alkyl…

Q: HNO3(aq) + Fe(OH)3(s) →

A: HNO3  : Nitric Acid Fe(OH)3  : Iron (III) Hydroxide  First complete the equation and then balance…

Q: (c) MnO, + SO, Mn* + SOf

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Q: substance. 3. А (An) 4. According to the law of be neither created nor destroyed during means…

A: (4) According to the law of __________, Matter can neither be created nor destroyed during a…

Q: H20, H2SO4 HgSO, OH OH OH HO OH но II IV

A: The reaction given in first image is hydration of alkyne and the reaction in second image is…

Q: 1- MOLTIPLE CHOICE. Read and answer each statement carefully then write the letter of the best…

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…

Q: Evidences of Chemical Change Certain indications can tell you when a chemical change has taken…

A: Different signs of chemical change are; Colour change Production of odour Change of temperature…

Q: Cl2(g) 2HCI(g) AH = –184.6 kJ %3D | 2: O2(g) + 2 F2(g) AH = -49.4 kJ ΔΗ 3: 202(g) → 2NO2(g) AH…

A: Given,  Reaction,  N2 + O2 ---&gt; 2NO  □H = 66.4 kJ Volume of N2 = 167 L Moles = Volume (L)/22.4…

Q: 7. What kind of a compound is KN and how do you know this? Draw a representation of three units of…

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Q: 10 All the following are evidence of a chemical change except- F production of a gas G production of…

A: Note - Since you have asked multiple questions, we will solve the first question for you. If you…

Q: Iron reacts with water to form iron (III) oxide and hydrogen gas.  What is the sum of the…

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Q: In the reaction:  KClO3(aq) + 5KCl(aq) + 6HNO3(aq) → 6KNO3(aq) + 3Cl2(g) + 3H2O(l) How many grams…

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Q: 7. To make a ham sandwich, you choose to use 2 pieces of bread (B), 4 slices of ham (H), and 1 slice…

A: Given, Peices of Bread = 14 Slices of Ham = 24 Slices of cheese = 7

Q: 2NH3(g) + 3N20(g)4N2(g) + 3H,0(g) Clear All AHxn ASpxn >0 low T, 0 high T

A: Given that the reaction is exothermic. We will predict the given physical quantities as follows.

Q: All the fertilizers listed below contribute nitrogen to the soil. If all these fertilizers are sold…

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Q: Determine the mass of the sample based on the following data to two decimal places mass of crucible…

A: When the sample containing CaSO4 is heated the water present in the sample is evaporated and…

Q: [g(s) + HC1(aq) → MgCl2 (aq) - Cl (aq) + AgNO3 (aq) → AgCl( Br (aq) + L¡OH(aq) → LiBr (aq

A: B option is correct. KCl + AgNO3 -----------&gt; KNO3  + AgCl (s)

Q: Which substance showed no chemical change? a. hydrogen b. sodium c. carbon d. argon…

A: IDEAL GAS An ideal gas is one in which all atom-to-atom or molecule-to-molecule collisions are…

Q: 1. LIAIH, 1. NaN3 Y CN A 2. H20 2. H20, heat

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Is the following chemical or physical change endothermic or exothermic? co2 + H20 + sunlight →…

A: The chemical change is the change that substance completely changes its’s composition and formed a…

Q: Ca(OH)2 + AgCI CaCI2 + AgOH

A: In the given question, First of all we see the no. of each atom present in reactant side and product…

Q: Given the graph beloW, which color represents each chemical? N, + 3 H, 2 2NH,

A: We are given the following chemical equation. N2(g)+3H2(g)⇋2NH3(g)