How does lime reduce sulfur dioxide emissions from the burning of coal?

Q: Determine the equilibrium constant, K, under standard conditions. e. Sketch the galvanic cell,…

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Q: 9. Portable butane stoves are often used during camping. Consider using a butane stove to boil some…

A: Heat gained/lost = Mass * Specific heat capacity * Temp change

Q: Why is the ksp at two different temperatures different for both solutions?

A: Solubility product (Ksp) : The product of concentration of ions raised to the suitable powers in a…

Q: Covalent Ionic Metallic Hydrogen   What is the protective coating that helps some metals react…

A: Covalent bonding is the key to the crystal structures of the metalloids.

Q: 4. PPM

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Q: the unknown mixture is heated and the NaHCO3 decomposes, what happens to the NaCl and how does that…

A: The answer is as follows:

Q: A pure oxide of iron weighing 1.000 g is fused with K2S2O7 and the fused material dissolved in acid.…

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Q: Hydrogen gas (H2) reacts with oxygen gas (O2) to form liquid water (H2O).  Student A writes the…

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Q: Label each of the following changes as an OXIDATION or a REDUCTION a. H3AsO4 to As b. O2 to H2O

A: We calculate the oxidation state of element on both reactant and product side. If the oxidation…

Q: 2. Would you expect a solution of ammonium chloride (NH,CI) to be acidic or basic when added to…

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Q: Answer the two questions in the space provided. Explain your thinking for both question, on why you…

A: we have to discuss the relation of pressure and rate of reaction.

Q: A radioactive sample of Iridum-179 (atomic number: 77) undergoes the the following decay processes…

A: We would write each decay step to check the resultant nuclide.

Q: Label each of the following changes as an OXIDATION or a REDUCTION c. Cr2O72- to CrO42- d. F- to F2…

A: Label each of the following changes as an OXIDATION or a REDUCTION---

Q: Explain what happens to the ratio of the two common forms of free residua! chlorine as the pH of…

A: Hypochlorite, ClO-(aq) is a conjugate base of HOCl.  #(i): Since HOCl(aq) and ClO-(aq) are conjugate…

Q: hello can you justify it? how it become reduction or oxidation

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Q: Answer all questions

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Q: Which of the following molecules is responsible for this IR spectrum?

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Q: The boiling point of amphetamine, C,H13N, is 201.0°C at 760.0 torr and 83.0°C at 13.0 torr. What is…

A: As per Clausius Clayperon equation, vapor pressure of a liquid at two different temperatures is…

Q: In the laboratory you are asked to make a 0.667 m aluminum sulfate solution using 255 grams of water…

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Q: Hello, I entered that and for some reason it's still incorrect. I'm so confused

A: Mass defect is given by the formula ∆m = [mass of protons + mass of neutrons]  - [mass of atom]

Q: (b) molecule. Given atomic masses of H and Cl are 1.008 and 35.45 amu, respectively The first line…

A: For pure rotational spectrum, the energy of transition is given as, εJ=h8π2IcJ(J+1)…

Q: Calculate the average rate using the graph below. 1.2 1.0 0.8 [HO] 0.6 0.4 0.2 0- 10 20 30 40 50 60…

A: Rate is defined as change in concentration per unit time. So, Rate = Change in concentration /…

Q: Many chemical solutions are mixed as percent concentrations. When working with a dry chemical, the…

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Q: Can you please indicate the ion flow for the image I posted below

A: Here we are required to find the direction of flow of electron in the electrochemical cell

Q: Q7. Given the following Ka values for the weak acids and bases: CH;COOH/CH3CO0 HCO3/CO,2- H2PO4…

A: To find the pair that will be appropriate as buffer of given range we use the buffer range of each…

Q: . The condensation reaction shown below produces 2 anomeric products. Draw the structures of both…

A: Detail mechanistic pathway is given below by which we get the anomeric products .

Q: where did the 1.5032 come from?

A: Where did the 1.5032 come from ?

Q: What is the highest possible degeneracy of a vibration of a Cr(CO)6 molecule? Explain your answer.

A: The UV absorption spectrum of Cr(CO)6 (chromium hexacarbonyl) in gas phase is investigated by…

Q: Draw a Lewis structure for CO, and answer the following questions based on your drawing. 1. For the…

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Q: The compounds below are reactive with one another in a Diels-Alder reaction. Draw the resonance…

A: In resonance structure always shift the electrons flow towards more electronegative atom.

Q: b) What is the standard enthalpy of reaction per mole of KOH when 50.00 cm³ of 1.0 moldm³ of Nitric…

A: Enthalpy of reaction: The Heat of Reaction (which is also known as the Enthalpy of Reaction)…

Q: For the reaction: C(s) + 2H2O(g) CO2 (g) + 2H2 (g), the H°= 155.5kJ/mol and S°= 124.9J/mol∙K.…

A: For , reaction to be spontaneous ∆G° must be negative . And , ∆G° = ∆H° -T∆S°  Here , we will…

Q: Predict the effect of temperature decrease, (b) pressure increase, (c) concentration increase of O2…

A: We can determine the effect of change by applying Le chateleir principal

Q: 3. Collect at least 5 examples of cells working under Redox principles. 4. Write down all chemical…

A: Redox reaction occur spontaneously in galvanic cell.

Q: Question 15 In molecular orbital theory, bond order is used to determine the bond strength of a…

A: The bond order is given by the formula Bond Order =( bonding electron - antibonding electron ) ÷ 2…

Q: Write Ksp expression for the following equilibria.…

A: Ksp or solubility product constant of a sparingly soluble salt is defined as the product of the…

Q: Problem 1. Refer to the last structure in this reaction mechanism. Assume that the ring-opening will…

A: The answer is as follows:

Q: if ithe standard reliecionpotential of fe?t is -0.45v and the comespinding Valee of Pb2t is -o•13 V.…

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Q: Which of the following alkenes (a-c) reacts faster with HI?

A: Here we are required to find the alkene which is more reactive with HI

Q: What is more stable in the newman projection a & b?

A: Stability is dependent on steric hindrance .

Q: Sketch the titration curve when 100 ml of .1M HX (Ka = 2 x 10-5) is titrated with .1 M NaOH.…

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Q: M. The equilibrium concentration of carbonate ion in a saturated lead carbonate solution is

A: We w use Ksp value of lead carbonate to Calculate equilibrium concentration of carbonate ion in…

Q: Consider the following reaction at equilibrium: 2SO2(g) + O2 (g) 2SO3(g) Determine if the following…

A: 2SO2(g) + O2 (g)  ⇔ 2SO3(g) According to Lechatlier's principle…

Q: Fill in the blanks: Aldosterone is the main mineralocorticoid steroid hormone produced by the zona…

A: Carbon has valency 4 so it  can form four bonds with other atom.   The degree of substitution can be…

Q: Without performing detailed calculations, determine the hydrate of Na2SO3 that contains almost…

A: Given that, Na2SO3 that contains almost exactly 50% H2O by mass  Determine the hydrate compound

Q: Balanced chemical equation 2 C3H18 (g) + 25 O2 (g)→16 CO2(g)+18 H2O(g) Part B 0.170 mol of octane is…

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Q: Label the following diagram: s L- :: radio waves :: X-rays : gamma waves :: microwaves :: visible…

A: The given image is an electromagnetic spectrum of different electromagnetic waves arranged in…

Q: After 12.80 days, a radioactive nuclide has passed through exactly five half-lives. The initial…

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Q: the stereogenic atoms. for cocaine

A: In this question, we will see the stereogenic atoms in the structure of cocaine. How we will get…

Q: 11. Consider the following reaction and its AG-AGo at 25.00 °C. Wate eb. Calculate the equilibrium…

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Group 13 Elements

In the periodic table, group 13 elements exist in the first p-block. There are six elements present in group 13, which include boron (B), aluminum (Al), gallium (Ga), indium (In), thallium (Tl), and element 113 (ununtrium, (Uut)). Group 13 elements are also designated as the boron family.