Which of the following orbital overlaps can form a pi molecular orbital? (1) py – dxz (2) s – px (3) px – dz2 (4) dx2-y – px

Q: Draw the Lewis structures for the following species: (a)CN-; (b) [N3]-; (c) [SCN]- For (b) and (c),…

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Q: Be sure to answer all parts. Calculate the nuclear binding energy (in joules) and the binding energy…

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Q: decrease S, or leave S unchanged. If you don't have enough information to decide, check the "not…

A: Entropy is degree of randomness or disorderness.  By increasing Temperature,  moles, volume  Entropy…

Q: Balance the reactions below using the change in oxidation number method. РЬО, + НBr РЬО + NH, 1. →…

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Q: When chromium metal is added to nitric acid, the following reaction takes place Cr (s) + 6 HNO3 (aq)…

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Q: How long can the battery deliver 5.0 A before going dead? Express your answer using two significant…

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Q: A solution is 0.0500 M in NH4Cl and 0.0300 M in NH3. Calculate its OH- concentration and its pH.

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Q: For each system listed in the first column of the table below, decide (if possible) whether the…

A: Entropy is the degree of disorderness.  Increasing order of entropy,   solid  <  liquid  <…

Q: 4 NH3(g)+7o2 4 no2 (g)+6 h2o (g) what is the correct expression for the pressure based equilibrium…

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Q: NH3 (aq) + HzО (1) +—> NH +он-

A: NH3(aq) + H2O(l) ----> NH4+ + OH- According to Le-chatelier principle if equilibrium is disturbed…

Q: A gaseous mixture is made by mixing Gas A and Gas B together. The mixture is 58.2 mole % of Gas A.…

A: Given, Mol % of gas A = 58.2 % Total pressure of the mixture = 3.52 atm Pressure of gas B in the…

Q: Choose the phrase that best describes the relative acid strength of these acids. NH3 H,O. is more…

A: Acid is the compound which give hydronium ion . so, greater is the tendency to give hydronium ion…

Q: How many moles of particles would result from 71.6 grams of cesium nitrate, CsNO3, dissolved in…

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Q: Chemical Equilibrium 3. Kc=0.10 for 2ICl(g) → I2(g) + Cl2(g). What are the concentrations of each…

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Q: Copper(II) acetate containing copper-64 is commonly used to study brain tumors. This isotope has a…

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Q: Calculate the pH of a 0.10 M solution of hypochiorous acid, HOCl. Ka of HOCI is 3.5 x 10^-8 at 25…

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Q: What is the % concentration (m/v) of a solution prepared by dissolving 28.3 of NaOH in enough water…

A: Given, mass of NaOH = 28.3 g Volume of solution = 789 ml % (m/v) = ?

Q: 22 A penny has a mass of 2.50 g and the Moon has a mass of 7.35 x 10 kg. Use this information to…

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Q: Identify the following reactions by type and predict the products (any 4): (i) (ii) (iii) (iv) (v)…

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Q: A bomb calorimeter is loaded with 1.050 g of caffeine (CgH10O2N4; 184.19 g/mol) and pressurized with…

A: Given data mass of caffeine = 1.050 g Molar mass  = 184.19 g/mole Internal energy of combustion…

Q: CO2 (g) + 6 H2O (l) → C6H12O6 (s) + 6 O2 (g) ∆?_? {?_6 ?_12 ?_6 (?)}= −1274.5 ??/??? ∆?_? {?_2 (?)}=…

A: ΔHrxn = Σ ΔHproducts   - Σ ΔHreactants

Q: Consider the below chemical reaction. If the reaction is performed at 200. atm and at 450. °C, what…

A: The amount of N2 required is given below

Q: Determine E°, AG°, and K for the overall reaction from the balanced half-reactions and their…

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Q: 11. Account for the order of acidity of the following compounds. ÇOOH COOH COOH ÇOOH -NH2 CH3 NO2 K,…

A: ->Acidity is proportional to Ka value (or) inversely proportional to pKa . -> For Basicity we…

Q: A balloon at 30.0°C has a volume of 222 mL. If the temperature is increased to 53.1°C and the…

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Q: This compound is treated with two different oxidizing reagents: either H2CrO4 and H2SO4, or with…

A: ->H2CrO4/H2SO4 can oxidize primary alcohol to carboxylic acid. ->PCC can oxidize primary…

Q: Write the balanced nuclear equation for each of the processes described below. 1. beta emission of…

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Q: What type of intermolecular force causes the dissolution of RbBr in water? O dispersion forces O…

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Q: Statins are drugs that have been used to treat high cholesterol by blocking mevalonate synthesis.…

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Q: attention to significant figures. What is the pH of a 0.48 M solution of weak acid? The Ka of the…

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Q: Rank the compounds in order of decreasing acidity. Most acidic Least acidic Answer Bank BRCH, CO,H…

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Q: 0.250 mol of N2 is placed into a 0.750 L container. What is the density of the gas? 84.1 g/L 4.67…

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Q: How many grams of a KCL solution that is 1.14% KCL by mass are needed to obtain 20.4 g of sucrose?

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Q: 1. Calculate the pH of a solution prepared by dissolving 2.13 g of picric acid, (NO2);C6H2OH (229.11…

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Q: A student weighed out 0.150 g of protein powder and dissolved it in 100 mL of water (Solution 1).…

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Q: Calculate the values of the buffer capacity at pH = 7 and pH = 9 in 0.08 M ammonium chloride…

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Q: Calculate the potential measured for the following cell at 298 K. Cr(s) | Cr3+(aq) (0.0070 M) ||…

A: Given-> Cr(s)/Cr3+(aq)(0.0070M)//Ni2+(aq)(0.97M)/Ni(s) E°cell = +0.50 Volt

Q: 1. CH3CH2MgBr 2. НзО*

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Q: Create a schematic diagram: 1) show the separation of cation and anion 2) confirmatory test to…

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Q: A mixture of two gases with a total pressure of 2.00 atm contains 0.70 atm of Gas A. What is the…

A: Given:: Total pressure =2.00 atm PA=0.70 atm PB= ?

Q: Curved arrows are used to illustrate the flow of electrons. Follow the arrows and draw the…

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Q: (b) Draw the structure of compound A and suggest a reaction mechanism for the transformation of A…

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Q: Answer the following question with reference to the molecule below: 61 H3C H (a) Label…

A: Answer - Since you have posted multipart of question as per the guidelines i have solved first three…

Q: H-O H-O H

A: ->Primary alcohol oxidize to carboxylic acid by cronic acid. ->Secondary alcohol oxidize to…

Q: Calculate the solubility at 25 °C of Zn (OH), in pure water and in a 0.0100M ZnSO, solution. You'lIl…

A: From alesk data, Ksp of Zn(OH)2=3.0×10-17 Molar mass of Zn(OH)2=99.424 g mol-1

Q: The carbon-14 decay rate of a sample obtained from a young tree is 0.263 disintegration per second…

A: Solution - According to the question - Given - Ao = initial activity = 0.263dps A = activity at time…

Q: Complete and balance the following equation: Cr2O2−7(aq)+CH3OH(aq)→HCO2H(aq)+Cr3+(aq) (acidic…

A: The given redox reaction is as follows: Cr2O72- + CH3OH → HCO2H + Cr3+ A redox reaction is balanced…

Q: What happens to blood pH (increase or decrease) when: A person holds their breath. (Does not exhale…

A: decrease When a person holds their breath, the level of carbon dioxide has been increased. This…

Q: Name it とセーBい

A: Naming is Done according To CIP rules in which heavier atom given more priority.

Q: In the experiment of the cycle of copper reactions, discuss likely reasons for losing or not…

A: The law of conservation of mass was proposed by the scientist Antoine Lavoisier .The context of the…