How many "dots" would the Lewis symbol for an atom of sulfur have!

Q: In the reaction: AgCl(s) = Ag* (aq) + Cl¯(aq) : addition of NaCl shifts equilibrium to

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Q: Draw the structure of the following compounds using either skeletal or condensed formula: 1. Ethyl…

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Q: What will be the molar Y⁴⁻ concentration in a 0.0200 M EDTA solution at a pH of 9.00? (α=0.054)

A: given data  0.0200 M EDTA  at a pH of 9.00 (α=0.054) find molar Y⁴⁻ concentration

Q: A + 2B → C R = k[A][B]² What is the rate constant for the reaction given the rate law and data?…

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Q: Draw and label the three parts and the bonds of Deoxyadenosine diphosphate.

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Q: Gravimetric analysis means, separation,: precipitation, measurement of mass (of the precipitate) .A…

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Q: TASK 2: BALANCING! Balance the following redox reactions by the oxidation number method and…

A: #1: The unbalanced chemical equation is: Al + HCl →AlCl3 + H2  We follow the below steps to balance…

Q: 16. Make the following temperature conversions. a. 27.3°C to K c. 373.2 K to °℃ b. -25°C to K d.…

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Q: 5. Predict the shift in equilibrium (to the right or to the left) un- der the following conditions…

A: Given reaction: CaF2 (s) ⇌ Ca2+ (aq) + 2F- (aq) + heat We have to predict the shift in equilibrium…

Q: 2. A sample of neon gas is contained in a bulb at 150 °C and 350 kPa. If the pressure drops to 103…

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Q: A mixture of ethanol (C2H5OH) and water has a freezing point of -16° C. (a) what is the molality of…

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Q: If 47.1 g of C₂H5OH (MM = 46.07 g/mol) are added to a 500.0 mL volumetric flask, and water is added…

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Q: For the reaction below, identify the acid, the base, the conjugate acid, and the conjugate base.…

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Q: X2 + Y₂ → 2Z R = k[Y₂] [Y₂], (M) Trial [X₂]. (M) Initial Rate (M/hr) 1 0.100 0.100 2.15 x 10-3 2…

A: Chemical kinetics can be defined as branch  of chemistry that deal with rate of chem8cal reactions.

Q: Q31

A: The given problem is based on electronic effects in organic effects.

Q: Ammonium phosphate ((NH₂), PO₂) is an important ingredient in many solid fertilizers. It can be made…

A: Phosphoric acid reacts with ammonia to form ammonium phosphate. The equation for the balanced…

Q: Consider the voltaic cell: Mg Mg2+ (1.0 M)||H* (1.0 M)|H₂ (1 atm)|Pt(s) Which of the following…

A: Answer : increase the pressure of H2 at 2.0 atm Explanation :

Q: 6. Consider the reaction: NO2(g) + CO(g) - NO(g) + CO₂(g) a. What would be the rate law for the…

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Q: Direction: Write the oxidation half-reaction and reduction half-reaction, and shorthand…

A: Oxidation means loss of electrons and reduction means gain of electrons.

Q: Describe how you can predict the ionic charge of an element based upon the group number it is in.

A: How can predict the ionic charge of an element based upon the group number it is in.

Q: When a polymer is formed by adding monomers, a molecule of __________________ is lost. These…

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Q: For the following unbalanced redox reaction: Au + O₂ + CN™ [Au(CN)₂] + H₂O

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Q: High fructose corn syrup is used industrially as a sweetener in everything from carbonated beverages…

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Q: A chemist measures the amount of iodine solid produced during an experiment. He finds that 3.02 g of…

A: Please find your solution below : Mole is a unit used to measure amount of a substance. The number…

Q: I. Assign oxidation state to the underlined element. 1) Cl₂ 2) SO₂ 3) K₂02 4) Cr₂07-2 5) Na₂O₂ 6)…

A: The oxidation number of O is = -2 The oxidation number of Na is = +1 So The oxidation number of ONa…

Q: = To decompose chemical compounds we use

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Q: help me these reactions please

A: see below

Q: Chemistry Which of the following complexes are chiral? Give a brief justification of your reasoning…

A: Chiral Complex :                                     In chemistry, a molecule or ion is called…

Q: What is the pattern of electrons and energy levels for both periods and rows of the periodic table

A: Answer -

Q: Explain in detail the term 'solubility product,' Ksp. Use the calcium carbonate found in the…

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Q: Twenty percent salt solution (%20)means that: 20 grams of salt dissolved in .A 100g of water .B 90g…

A: The solution composition can be described in mass percentage which shows the mass of solute present…

Q: .A Lowering pH .B Increasing pH .C Addition more salt D

A: Le Chatelier principle says that equilibrium will shift in such a way so as to undo the effect of…

Q: . How many moles of electrons are transferred overall? 48. If E°cell = +1.76 V and Ecell = +1.25 V…

A: Given-> E°cell = +1.76 V Ecell = +1.25 V [VO2+] = [VO2+] = [Zn2+] = 1.0 M

Q: Initial rate data have been determined at a certain temperature for the gaseous reaction 2NO+2H2 →…

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Q: 2. Provide a name for each of the following. ð ð سکولاک z CI Br ongsão CH₂CH3 Br H CH(CH3)CH₂CH3 ""H

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Q: A sample containing histidine (pKas 1.8, 6.0, 9.3), lysine (pKas 2.2, 9.1, 10.5), and leucine (pKas…

A: Because a protein's net charge is pH-dependent, the sample may be eluted from IEX medium by varying…

Q: -OOCCH₂ HOOCCH, CH₂COOH CH₂COO- *HNCH, CH, NÓH*

A: Let us discuss its structure.

Q: A 5.0 × 102 sample of sulfur dioxide, SO2(g), has a volume of 2.37 × 106 L. If the temperature of…

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Q: At the equivalence point of an experiment where a strong acid is titrated using a strong base, which…

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Q: Which of the following is most likely a polar covalent bond? O Na-Cl O C-N OH-H OK-F O Ca-O

A: Ionic bonds are formed where atoms have greater electronegativity difference. Where…

Q: O A 0 B C O D OH % H/HO OH roo B D

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Q: The hydrolysis of aspirin (ASA) was measured at 3 different temperatures and the data is shown…

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Q: The chemical structure of dimethyl ether ((CH₂)₂0) i is shown below. Highlight each atom that is in…

A: Organic compounds are the compounds that contain carbon and hydrogen atoms.

Q: 1. 3. 5. 7. 2. F 25 X Br CI 4, Br Br 6. Br 8. Br 9. 1-bromo-2,3,5-trichloroheptane 10.…

A: All answers are shown below.

Q: Chemical analysis reveals that a sample of dioxin contains 14.29g of carbon, 1.20g of hydrogen, and…

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Q: A major component of gasoline is octane (CH₂). When liquid octane is burned in air it reacts with…

A: Given :  Moles of water produced = 0.065 mol

Q: Here is an isomer of 2,4-dimethylcyclihexonal. Complete the alternative chair confirmations on the…

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Q: The following data were obtained from a study of the decomposition of a sample of HI on the surface…

A: For zero order reaction  R^2 = 0.97469

Q: 1. What is the coordination number of the central metal atom? 2. What formula should appear inside…

A: Coordination complex contains one central atom or ion i.e. basically metallic and is named as…

Q: Q55

A: When compound is symmetrical then there is no disturbance in bond angle

Actinides

The elements in which the extra electron tends to enter the 5f-orbitals of (n–2)th main shell are considered 5f-block elements. They are also named actinides. Actinides include 15 elements, from atomic number 89 to 103.