An element X has 16 protons (p+1); 16 electrons (e-1) and 16 neutrons (n0). b) What is the period number and group number of X in the Periodic Table.

Q: Which is the major product of this reaction? CCH + HBr (excess) Br a) Br c=CH e) CH;-CHBrz Br Br…

A: Addition of HX (X = halogen) across asymmetric unsaturated molecules like Alkene and Alkynes; give…

Q: A certain reaction has an activation energy of 57.33 kJ/mol. At what Kelvin temperature will the…

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Q: Which of the following phase diagrams corresponds to a system wherein the upper critical temperature…

A: The phase diagrams corresponds to a system wherein the upper critical temperature is less than the…

Q: Which compound has lowest boiling point? A. 2-methylhexane B. 2-methylpentane C. Hexane D.…

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Q: Balance the following equation 2 cuci(aq) + H;S(g) - - Cu,S(s) + a. How many moles of copper(1)…

A: Recall the reaction, CuCl + H2S ------> Cu2S + HCl  Molar mass of Cu2S = 159.16 g mol-1 Molar…

Q: Which of the the following elements are isotones? a) 12C, 13C, and 14C (c) 14C, 15N, and 160 (b)…

A: Isotones are the atoms of different elements that have the different atomic number (Z) due to the…

Q: .A chunk of nickel weighing 18.5 grams and originally at 97.36°C is dropped into an insulated cup…

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Q: c) Frequency vs. elnergy 3. When sodium is excited in a flame, two ultraviolet spectral lines at 2…

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Q: - Cucl(aq) H2S(g) How many moles of copper(l) sulfide could be produced from 12.6 moles of copper(I)…

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Q: Consider the following combustion reaction: C3H8(g) + 5O2(g) --> 3CO2(g) + 4H2O(g) ∆Hrxn = -2044 kJ…

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Q: A first-order reaction is 40.0% complete at the end of 39.1 minutes. What is the value of the rate…

A: Given reaction is 40% completed hence remaining concentration is 60%

Q: Endothermic reactions should be cold to the touch?

A: There are two types of reactions- these are exothermic reaction and the endothermic reaction.  Both…

Q: Which of the following phase diagrams corresponds to a system wherein boiling occurs before the two…

A: The phase diagram corresponds to a system where boiling occurs before the two liquids are Fully…

Q: A 250. ml aqueous solution prepared by dissolving 55.0 g of a non-electrolyte solute had a freezing…

A: Volume=250mL Weight of solute=55.0g Freezing point=-2.34°C  Kf=1.86°C/m

Q: The reaction C(s) + 2H, (g) = CH,(g) has K, - 0.263 at 1000. K. Calculate he total pressure at…

A: Dalton's law states that total pressure of  mixture of gases is equal to the sum of the partial…

Q: Which of the following is the phase diagram of water-nicotine system?       C     B     E…

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Q: Calculate Kp for the reaction 2NOCIig) = 2NO(gi + Clzla) at 400'C if K- at 400°C for this reaction…

A: Which one of the following options is correct

Q: Which of the following 0.05 M aqueous solutions will have the highest boiling point? O Glucose O…

A: The boiling point of the solution is directly proportional to the van't Hoff factor (i) provided the…

Q: For the following reaction, AP(C6H14VAt was found to be -6.2 x 10-3 atm/s. COHA(@) → C6H6(g) +…

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Q: Question 3 The vapor pressure of 2-propanol (60.096 g/mol) is 50.00 kPa at 338.8 °C, but it fell to…

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Q: e e Inert Inert Electrode Na(l) Electrode Cl2(9) Molten NaCI CI- Na+ Anode Cathode

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Q: 35. Does the following equation rep C-H H-C-OH HO-C-H Н-С-ОН H-C-OH CH,OH Glucose

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Q: 4. For over-the-counter preparations, inactive ingredients are called fillers. Are these the…

A: We have find out the answer.

Q: Indicate whether the following changes would have no impact or would perturb the equilibrium. If so,…

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Q: B.Calculate the molality of a solution prepared by dissolving 15g of sugar C12H22011 in 3.50X102ML…

A: Molality is defined as number of moles of solute divide by mass of solvent in kilograms

Q: Supply the indicated and keep in mind that polarity is based on the 3-dim shape of the molecule.…

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Q: A solution is 0.085 M potassium carbonate, K2CO3. Determine the pH of the solution and the…

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

Q: Balance each of the redox reactions for the conditions stated Label the oxidizing agent and the…

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Q: Give some examples of gas in liquid solutions and their primary solute and solvent.

A: There are 3 states of matter: solid, liquid and gas. In many cases the same element can exist in all…

Q: city's water supply is contaminated with a toxin at a concentration of O0.63 mg/L. For the water to…

A: Initial concentration = 0.63 mg/L Final concentration = 1.5 x 10—3 mg/ L K = 0.27 day—1

Q: This refers to a point wherein both liquid phases have the same composition. Hence, extraction is…

A: Plait Point is defined as the intersection of raffinate-phase and extract-phase boundary curves. At…

Q: What is the equilibrium-constant expression of the basic dissociation of NaNO2?         Kb =…

A: Given-> NaNO2

Q: 3Ce+ (aq) + Bi(s)+ H2O(1)→3Ce3+ (aq) + BiO+ (aq)+2H+(aq) Express the equilibrium constant to two…

A: Given,  Part. B :-  Balanced reaction is :  3Ce4+ (aq) + Bi (s) + H2O (l) ------> 3Ce3+ (aq) +…

Q: 3. A ga When t of mole

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Q: How to Synthesis Il from 1? explain what reagent you choosed and the chemical reaction name. HO OMe…

A: Hydrolysis of cyclic amides to give amino carboxylic acids. The Kochi reaction is an organic…

Q: Which of the following phase diagrams corresponds to a system wherein the upper critical temperature…

A: The phase diagram corresponds to a system wherein the upper critical temperature is less the boiling…

Q: Given the ff. data. Determine the actual yield of aspirin. Mass of salicylic acid = 2.15 g, volume…

A: Step 1:  Data given Mass of salicylic acid = 2.15 grams Volume of acetic anhydride = 5.0 mL (…

Q: As a result of alpha emission, the product nucleus is Multple Choice one atomic number higher than…

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Q: Show how you would accomplish the following with good yield: NH2 .NH O a) b) Ph-COOH Ph-ċ-o-ĉ-CH3 H…

A: a. N- formylation. b. acid FG to anhydride FG using P2O5. c. Fischer esterification. d.  Fischer…

Q: Do QUESTION (b) (i) early as possible I upvote

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Q: For the reaction N2(g) + 3 H2(g) 2 NH3(g) Kc= 0.0600 at a certain temperature. In an equilibrium…

A: • The given reaction is,          N2 + 3H2 ⇌ 2NH3(g)  • The values provided in the question are:-…

Q: This refers to a point wherein both liquid phases have the same composition. Hence, extraction is…

A: We have to tell the name of the point at which both liquid phase have the same composition. Hence,…

Q: Saved A city's water supply is contaminated with a toxin at a concentration of 0.63 mg/L. For the…

A: Given-> Initial concentration of toxin = 0.63 mg/L Final concentration of toxin=1.5 ×…

Q: A 25.30 mL sample of 0.0897 M HCl is titrated with 0.111 M NaOH. Determine the pH of the solution…

A: Given: Volume of HCl = 25.30 mL Molarity of HCl = 0.0897 M  Molarity of NaOH = 0.111 M Volume of…

Q: The half-life decreases with time for the reaction aA =>bB , which is:  a)zero order in A b)first…

A: Half life of second order reaction is inversely proportional to initial concentration

Q: How many Calories (nutritional Calories) does 16.4670 pounds of fat have? Show dimensional analysis,…

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Q: 50.00 mL of a buffer solution contains 0.280 M HClO and 0.450 M NaClO.  If 25.00 mL of water is…

A: Given-> Volume of buffer = 50.00 ml Molarity of HClO = 0.280 M Molarity of NaClO = 0.450 M Volume…

Q: 0.25M HCl (500 mL) will be prepared from 37.2%(w/w) with density 1.19 g/mL

A: Density of intial Hcl solution = 1.19 g/mL Concentration of intial HCl sol. = 37.2% Final conc. Of…

Q: 1-butanol yields 1-bromobutane in the presence of concentrated sulfuric acid and an excess of sodium…

A: We have to predict the percentage yield.

Q: In this reaction, D‑erthyro‑imidazole‑glycerol phosphate is first protonated to form a good leaving…

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Group 14 Elements

The following elements come under group 14 of the periodic table.