What types of elements are contained in group 14? Metal, metalloid, nonmetal Metals only Nonmetals only Metals and metalloids

Q: Choose the correct product for the following reaction: 1) Hg(OAc)2, H₂O 2) NaBH4

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Q: Q7.Chlorine can be produced in the laboratory by reacting HCI with magnesium (IV) oxide: HCI (aq) +…

A: Given :   Moles of HCl = 7 mol  Moles of MnO2 = 4 mol

Q: Neutralization Titration In the standardization of HCI solution using 10.00 ml of 0.02   Na,co,…

A: Given, Na2CO3 + 2HCl ----> 2NaCl + H2O +CO2 Molarity of Na2CO3 solution = 0.02 M = 0.02 mol/L…

Q: The half-life of radium-226 is 5.05x10¹0 s. What is the mass in grams of a sample of Ra-226 that has…

A: we have to calculate the mass of Ra-226 Given : activity = 1.00 x 109 atoms/min half life = 5.05 x…

Q: PbCl2 has a Ksp of 1.7 x 10-5. If you have a solution of PbCl2 that has a chloride ion concentration…

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Q: 22. The activation energy of a reaction can be obtained from the slope of a plot of a. log k vs 1/T…

A: Answer:- This question is answered by using the simple concept of chemical kinetics which involves…

Q: The enthalpy of reaction is -11.7 kJ/mol for the following reaction:   HCN(aq) + NaOH(aq) -->…

A: Given :  Mass of HCN = 0.899 g  Enthalpy of reaction = -11.7 KJ/mol  Total Mass in the calorimeter =…

Q: In a metered-dose inhaler (MDI), such as those used for asthma medication, medicine is delivered by…

A: volume of the inhaler propellant reservoir, V is 1.00×102 mL = 100 ml = 0.1 lt (1000 ml = 1 lt)…

Q: What volume will 185 g of butane occupy at 745 torr and 35 °C? Express your answer to three…

A: The volume of 185 g of butane at the given condition can be calculated by using the ideal gas…

Q: The cycle of the figure consists of four processes. Make a chart with rows labeled A to D and…

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Q: Tom, a scheduler at Mangel-Wurzel Transport, gets a call from a regular customer needing to move…

A: Rock and soil required = 15.8 m3  Average Density of rock and soil = 740 kg/m3  Capacity of Dump…

Q: Which of the following compounds is consistent with the ¹H NMR spectrum shown below? 7 1H dd (A) 1H…

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Q: 18.3 Gibbs Free E... 5.3 Enthalpies of... O ELECTROCHEMISTRY Ranking the strength of oxidizing and…

A: Electrochemistry can be defined as the branch of chemistry that deal with oxidation and reduction…

Q: In a process called flash electroplating, a current of 2.50x10³ A passes through an electrolytic…

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Q: Draw Lewis structures and any contributing resonance structures for each structure below. Use the…

A: We have been given three molecules and we have been asked to draw Lewis structures and any…

Q: Select the end products for digestion of starch. Check all that apply. Osucrase O galactose lactase…

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Q: This is a Dry Lab since we cannot meet on Campus. You would have first calibrated a pH meter and…

A: pH is the measure of the acidity or basicity of a solution. pH varies from the range 0-14. A pH=7…

Q: Professor Modyn studies combustion reactions in the laboratory. The professor would like to know the…

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Q: A 9.00L tank at 8.48°C is filled with 10.9g of sulfur hexafluoride gas and 8.24g of sulfur…

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Q: A team of chemists discovers a new chemical reaction. 2NaCl  + MgF2 →  2NaF  + MgCl2 Which type of…

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Q: h i Hg(OAc)₂ EtOH, ether H₂ (1 atm) PtO₂-H₂O H₂ Pt NaBH₁ H₂O, EtOH

A: We have to draw the structures of the products if the below-given reaction. Introduction:…

Q: There are only 3 solutions here but 4 parts to the question. What would be the difference between b…

A: The answer of the missing i.e. part c is given here. When the given alkyne reacts with excess H2 and…

Q: Part B Atmospheric pressure decreases as altitude increases. In other words, there is more air…

A: Boiling point depends on strength of intermolecular forces of attraction.

Q: Describe commonly used standards for proton NMR? Please answer at your own easy words. Answer should…

A: Answer: Proton nuclear magnetic resonance (1H NMR) is a spectroscopic technique usually used for…

Q: alculate AH for the reaction using the given bond dissociation energies. CH,(g)+2O,(g) — CO,(g) +…

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Q: A certain reaction is first order in A. The specific rate constant is 3 x 10³/s. The half life is a.…

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Q: Give 3 examples of 2D NMR?  Please answer at your own easy words. Answer should be to the point.

A: 2D or two dimensional NMR spectroscopies are the techniques for correlating  the couplings among the…

Q: On 5 of 17 > General Chemistry 4th Edition McQuarrie Rock • Gallogly Calculate the number of moles…

A: We know , Number of moles = Concentration × Volume

Q: QUESTION 10 || The functional group contained in the compound CH3-CH2-C-NH2 is a(n) amide. amine.…

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Q: 30) Which of the following molecules has a geometry described as trigonal planar? A) CHF3 B) BF3 C)…

A: Strong electrolyte - completely dissociate  Geometry - sp2- trigonal planar

Q: An unknown gas effuses at a rate 0.500 times the rate of CH4. What is the molar mass of the unknown…

A: According to Graham's law of effusion, the rate of effusion of a gas is inversely proportional to…

Q: Name these compounds properly:

A: RNH2 = Primary or 1° amine   R2NH = Secondary or 2° amine  R3N = Tertiary or 3° amine

Q: Macmilla electron configuration for Ga: electron configuration for P: electron configuration for S:…

A: Afbau's principle shows that the electrons are filled up from low energy orbital to high energy…

Q: HO, ? -ד

A: Here we have to synthesize the given target compound  from the starting material benzene and ethyl…

Q: Combustion of hydrocarbons such as nonane (C₂H₂) produces carbon dioxide, a "greenhouse gas."…

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Q: For the reaction 3Cu(s) + 2Au3+(aq)  3Cu2+(aq) + 2Au(s), Eocell = 1.16 V. Calculate the cell…

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Q: охо CH₂CO3H ?

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Q: The compound KCIO4 decomposes when heated according to the equation below. KCIO4(s) →KCI (s) + 2 0₂…

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Q: Calculate the density of ethane gas, C₂H₆, in grams per liter when held in a container at 60.0°C at…

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Q: Potassium bromide (KBr) has a molar mass of 119 g/mol. If I want to make 82.0 mL of a 0.231 M…

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Q: Topic 14 HW Name: 4. In each of the following chemical equations, identify the conjugate acid-base…

A: In (a) ch3nh2 is base and h2o is acid      (b) ch3cooh is acid and NH3 is base

Q: calculate ph of 0.22 M calcium hydroxide (first write the reaction of the substance in water).

A: Molarity of Ca(OH)2 = 0.22 M

Q: Benoxinate hydrochloride 0.4% w/v Fluorescein sodium 0.25% w/v Sodium chloride qs…

A: Answer: 226.35 mg of sodium chloride required to make  isoton. Sol. explaination: step 1:…

Q: Use the molar bond enthalpy data in the table to estimate the value of AHin for the equation C₂H₂(g)…

A: Thermodynamics is branch of chemistry in which we deal with amount of heat evolved or absorbed by…

Q: Using average bond enthalpies (linked above), estimate the enthalpy change for the following…

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Q: Please explain how you got your answer and/or state the name of the concept. Thank you! oll ? CI

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Q: QUESTION 5 An electrolysis cell that deposits gold (from Au* (aq)) operate for 15.0 minutes at a…

A: Electrochemistry is  branch of chemistry in which we deal with oxidation and reduction reaction. In…

Q: Macmillan Classify each reaction as a redox reaction or a non-redox reaction.

A: Redox reaction: oxidation and reduction both takes place.

Q: A galvanic cell is composed of these two half-cells, with the standard reduction potentials shown:…

A: Given : half cell reaction and their reduction potential

Q: Answer the questions below about the highlighted atom in this Lewis structure: H | H-C-C=C-H | H In…

A: The covalent bond is formed by the overlap of the atomic orbitals.