Spot K

Q: 2. Use Hess's Law to express the heat of reaction for Equation 1 as the appropriate algebraic sum of...

A: To use Hess's law to calculate heat of reaction for equation 1 and algebraic sum of heat of reaction...

Q: Predict the products, complété and Balance the following double Ca(NO3)2 (aq) + NagPO4 (aq) – The ca...

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Q: Water (H2O), methyl alcohol (CH3OH), ethyl alcohol (CH;CH,OH), ethylene glycol (HOCH,CH,OH), and suc...

A: 2) The compounds given are .  

Q: For this mechanism, how come the iodine doesn't attach to a carbocation on the right (with the two m...

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Q: In a period, the element with the most exothermic electron affinity is the _____ and the one with th...

A:  We have to fill the element with the most exothermic electron affinity is the _____ and the one wit...

Q: H,SO4 CH3 C C CH3 + H20 CH3 CH2 CH3

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Q: A voltaic cell is constructed in which the anode is a Cd|Cd2+ half cell and the cathode is a Cu|Cu2+...

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Q: The molar solubility of silver chloride in a water solution is  M.

A: Molar solubility of AgCl in water   Ksp = [Ag+][Cl-] = 1.8 x 10^-10   let x amount of AgCl is in sol...

Q: How many moles of ammonia would be required to react exactly with 0.816 moles of copper(II) oxide in...

A: The balance chemical reaction :  2NH3(g) + 3CuO(s) ----> 3Cu(s) + N2(g) + 3H2O(g) Number of moles...

Q: You have a liquid that contains 10 mg/10ml. What percent is the liquid

A: • The values provided in the question are:-    i) Mass of a liquid = 10 mg = 10 × 10-3 g { ∴ 1 mg = ...

Q: 8. Which one of the following compounds is optically inactive (achiral)? Ph.. A В E

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Q: Magnesia (MgO) is used for fıre brick, crucibles, and furnace linings because of its high melting po...

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Q: What is the activity coefficient for each ion at the given ionic strength at 25 "C? Activity coeffic...

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Q: ased on nuclear stability, what is the symbol for the most likely product nuclide when iron-59 under...

A: Interpretation: We have to product the decay reaction for  iron-59.

Q: A 1.64 g sample of C2H4 is contained in a 1.50L flask at 45ºC. What is the pressure of the gas in at...

A: Given, Mass of sample of C2H4 = 1.64 g Volume of flask (V) = 1.50L Temperature (T) = 45ºC = (273.15 ...

Q: A 0.45g sample of aspirin is decomposed into its constituent elements and found to contain 0.27g C, ...

A: Given: Mass of aspirin sample = 0.45 g. Mass of C produced = 0.27 g. Mass of H produced = 0.020 g An...

Q: Here are sketches of four electron orbitals: 00 A B D yes Are any of them s orbitals? no List the s ...

A: Interpretation: We have to predict the orbitals for the given representation.

Q: Determine the shape, ideal bond angle(s), and the direction of any deviation from these angles for e...

A: Ideal bond angle is the predicted angle based on ideal electron repulsion.

Q: A gas occupies 33.3 L at 2.00 atm pressure and 27°C. Calculate its volume at STP. A) 30.3 L B) 73.2 ...

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Q: Use the table 'Standard Reduction Potentials' located in the 'Tables', to predict if a reaction will...

A: Given: Solution of Al3+ is added with the Mn.  

Q: construct the expression for Kc for the following reaction  H2O(L)-><-H+(aq)+OH-(aq)

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Q: Consider the following system at equilibrium where Kc = 7.00×10-5 and H° = 182 kJ/mol at 673 K. NH4...

A: Since you have posted questions with multiple sub-parts, we are entitled to answer the first 3 only....

Q: Why do Cr and Cu not have the expected electron configurations?

A: electronic configuration of Cr-Chromium   electronic configuration of Cu-Copper

Q: draw starting material draw product

A: This can be achieved by first adding a halide group then elemination reaction followed by ozonolysis

Q: Complete and balance the following redox reaction in acidic solution 2MnO₄⁻(aq)+15H⁺+10S₂O₃²⁻(aq)→2M...

A: 1- First we will write both Half reaction ( Reduction and Oxidation reaction ) in acid medium.  a) R...

Q: 2. A 1.00 g sample of X and Y enantiomers has a % optical purity of 65.5. What is the mass % of each...

A: koi

Q: When a molecule moves across the membrane from a concentration of 10-4 M to 10-2 M … Group of answe...

A: Given: A molecule moves across the membrane from a concentration of 10-4 M to 10-2 M.  

Q: 11.11.Draw the structure of the major product expected for the following reaction. а). NaSEt Br b). ...

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Q: Order these according to increasing lattice energy magnitude, where A is the smallest and C is the l...

A: If  charge of  the ions increases, the lattice energy increases. And if the size of the ions increas...

Q: Suppose the pressure of a gas in a 10.0-L cylinder at 273 K is 5 atm. If the temperature of the cyli...

A: Given :-  Initial temperature (T1) = 273 K  Initial pressure (P1 ) = 5 atm  Final temperature (T2) =...

Q: What weight of potassium permanganate is required to prepare 250ml of a w/v solution such that 10 mL...

A:  We know that a solution's mass by volume percent concentration tells you the number of grams of sol...

Q: What volume (in mL) of 0.036 M Na2Mo04 must be added to 24.38 mL of 0.143 M Pb(NO3)2 to reach the eq...

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Q: bomb calorimetry occurs under constant ______ and therefor measures change in _______

A: In Bomb Calorimetry, the volume of the system remains same can not be changed so that ∆V = changed i...

Q: When the nuclide bismuth-210 decays to thallium-206, what kind of decay does bismuth-210 undergo? (...

A: Given is ,bismuth-210 decays to thallium-206

Q: ) Make the following molecules, starting from a terminal alkyne and any alkyl halide, if needed. 8.)...

A: 8. A. At first 3-Methylbut-1-yne is treated with B2H6/THF followed by NaOH/H2O2 (Hydroboration-Oxida...

Q: 1. Review the Background section. Atunge Equations A-C in such a way that they add up to Equation 1.

A: Since you have asked multiple questions, we will answer only first question for you. In order to get...

Q: Order these according to increasing ionic radius, where 1 is the shortest and 4 is the longest. Te^2...

A: When atom aquire positive change then size will decrease and and when atom aquire negative charge th...

Q: what are the correct units for specific heat capacity G/JK J/g g/J J/gK

A: The specific heat of a substance is the amount of energy required to raise the temperature of 1 gram...

Q: A chemistry student must write down in her lab notebook the concentration of a solution of sodium th...

A: Given: Mass of cylinder = 5.0 g. Mass of cylinder with thiosulfate = 61.167 g. And the volume of the...

Q: Write a balanced nuclear equation for the following: The nuclide nitrogen-18 undergoes beta decay to...

A: In beta decay atomic number increase by one unit and mass number remain unchanged

Q: A rigid container of gas has a pressure of 1.72 atm and temperature of 21 °C. If the temperature inc...

A: Given :  initial pressure = 1.72 atm  initial temperature = 21°C   final temperature = 85°C  To calc...

Q: 1) How many electron states are there in the following subshells: a) n = 4, l = 3 %3D b) n = 3, l = ...

A: n indicates principal Quantum number which tells what is the size of the orbitals and "l" refers to ...

Q: the change in enthalpy for ammonium nitrate dissolving in water is 25.7 kJ/mol. determine the amount...

A: We have to calculate the mass of Ammonium nitrate dissolved.  

Q: A 28.5 g piece of gold is heated and then allowed to cool. What is the change in temperature (°C) if...

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Q: Identify all the central atoms that are spPd-hybridized in the following molecule: 3- :ö: Kr XeF2 PO...

A: sp3d hybridization involves the mixing of 1s orbital, 3p orbitals and 1d orbital and formed 5 SP3d o...

Q: Given the unbalanced reaction: MnO4 (aq) + Br (aq) + H* (aq) + H,O ()= Mn2 (ag) + Br2 (1) + H2O (1) ...

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Q: m- 76.084 m)/(5.8073 s>

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Q: Which of the following liquids has the higher vapor pressure at 25 ∘C? A. Mercury B. Water

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Q: 9.)Moles of solute (mol) Use the molality to convert kg of solvent to moles of solute. 10.)Molar m...

A: Depression in freezing point is a colligative property that depends on the number of particles and i...

Q: Consider the below ligand. If any atom with a lone pair of electrons can coordinate with a metal, th...

A: A atom contain a lone pair of electrons can coordinate with metal. Then the number of donor atoms in...