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Q: Can somebody help me with this problem by explaining the transition there at the bottom? How it went...

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Q: Help me to determine Determine the mass, in grams, of 0.750 moles of Si (1 mol of Si has a mass of 2...

A: Data given, Number of moles of silicon (Si) = 0.750 moles  Molar mass of silicon (Si) = 28.09 g/mol ...

Q: A 0.04 M sulfuric acid solution was electrolyzed using copper electrodes. A constant current of 4.44...

A: The production of hydrogen occurs as follows: H+ + e-  --> 1/2 H2 96485 C of charge produces = 0....

Q: You are working with 1.00 M NaOH. Your unknown monoprotic weak acid has a concentration of 1.960 g/L...

A: The question is based on the concept of titrations. we are titrating a strong base Sodium hydroxide ...

Q: 1.  A pH change of 0.2 units requires the addition of 0.05 mL of NaOH. You are probably at what poin...

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

Q: Draw both cis chair conformations of 2-methylcyclohexanol and circle the more stable one.

A: Solution :      Reduction taken place with the help of Sodium borohydride is called as sodium boro h...

Q: I need you to create 3 questions constructed by given data.  After you construct, please provide the...

A: Let the reaction taking place be: X+Y→P  

Q: Fow many moles of MnO3 are produced when 4.30 kg of oxygen gas completely reacts according to the ba...

A: Manganese reacts with oxygen to form manganese trioxide. The equation for the balanced chemical reac...

Q: Identify the reagents that you would need to accomplish the following transformations. Also show the...

A: Oxidation of secondary alcohol gives ketone Reaction of ketones with Grignard reagent gives tertiary...

Q: Which atom has the ground state electronic configuration Is-2s 2p°3s 3p°4s²3d? Select one: O a. Se O...

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Q: Can i get help with this problem

A: The organic reaction in which the incoming group replaces the leaving group and forms a bond with th...

Q: Give the electron counts, formal oxidation states, and dn configurations of the following transition...

A: 18 valence electron rule state that transition metal complex with 18 valence electron is thermodynam...

Q: please help me answer all 4 a. In the laboratory a student measures the percent ionization of a 0.53...

A: The question is based on the concept of equilibrium. we have been given a weak acid formic acid whos...

Q: calculate the mass (in g) or volume (in mL) of solute needed to prepare the following solutions. a.)...

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Q: What is the net ionic equation for the reaction that occurs when small amounts of sodium hydroxide a...

A: There is little change in pH when we added acid or base in the buffer solution.

Q: How do different isotopes of nitrogen behave similarly or differently from each other?

A: There are three isotopes of nitrogen, which are nitrogen-13, nitrogen-14, and nitrogen-15. Isotopes ...

Q: Moles of an element in a compound The following questions are related to the compound Cu3(PO4)2, cop...

A: given that  Mass of Cu3(PO4)2 = 31.8 g Molecular weight of Cu3(PO4)2 = 380.58 g/mol Number of moles ...

Q: Which of the following statements about energy is false? Group of answer choices A reaction cannot ...

A: By concept of activation energy.

Q: A solution is prepared by dissolving 72.91 g of CdCl2 (MM = 183.317) in enough water to make 158.95 ...

A: Given:Mass of CdCl2 =72.91 gMolar mass  of CdCl2 =183.317gVolume of solution =  158.95 mL           ...

Q: Can i get help with this problem

A: Here is the answer

Q: 1- Determine the Miller indices for the directions in the cubic unit cell shown in the following Fig...

A: Miller indices are the reciprocal of the intercepts at the axis.

Q: Which of the following processes is endothermic? Group of answer choices thermite reaction between ...

A: From the given processes, which are endothermic has to be given.

Q: Evaluate each reaction below and using your knowledge of entropy, predict whether entropy will incre...

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Q: The number of significant figures in a measurement depends on the Choose... of the instrument used. ...

A: Number of significant figure shows sensitivity of the measurement. Greater the number of significant...

Q: you determine that the mass of a Florence flask and a piece of aluminum foil weigh 39.964 g. After p...

A: Given: mass of Florence flask and Al foil = 39.964 g mass of flask, foil, and condensed vapors  = 40...

Q: thank you 12)Give the formula for 2 negative ions that would have the same number of electrons as ea...

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Q: Suppose you are studying an unknown solution based on its precipitation reactions with other solutio...

A: The question is based on the concept of qualitative analysis. we have to determine our unknown compo...

Q: How many hydrogen atoms are in 0.1488 g of phosphoric acid H3po4?

A: According to the mole concept, one mole of any substance has mass equal to molar mass or atomic mass...

Q: What is the free energy change in kJ/mol for the process below at 42.9 °C when the concentration of ...

A: Given that:  ΔG° = 12.5 kJ/mol [A] = 0.49 M [B] =  0.84 M [C] = 0.35 M T = 42.9 °C = (42.9 + 273) K...

Q: Calculate ΔG° (kJ/mol) for a reaction whose equilibrium constant is 1.9 x 106 at 298 K. Report your ...

A: The Gibbs free energy and the equilibrium constant are related by the following equation: ∆Go=-RTlnK...

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Q: when the reaction occurs BF3 + F- gives BF4 the shape of electron distribution pairs around B change...

A: sp2 hybrid orbital ( trigonnal shape) -------->sp3 hybrid orbital ( tetrahedral shape)

Q: Can you help to find the electron geometry, molecular geometry, and lewis structure?

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Q: Enter your answer in the box provided. Consider the following reaction, which takes place in a singl...

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Q: Be sure to answer all parts. The equilibrium constant Kc for the reaction  H2(g) + CO2(g) ⇌ H2O(g) +...

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Q: I need the answer of question attached. Please provide step by step solution.

A: Here is the answer

Q: Consider the reaction shown: H2(g) + 1 2O2(g) --> H2O(l)        ΔH = -286 kJ/mol We can say that ...

A: The question involves the concept of chemical thermodynamics. By looking at enthalpy of Reaction, we...

Q: Example: For a hydrogen atom, determine the allowed states corresponding to the principal quantum nu...

A: Here using the Bohr energy formula Calculate the energy of hydrogen atom for n=2 Bohr theory is appl...

Q: What trend in first ionization energy occurs across a period (as you go left to right) on the period...

A: Ionization energy :- The minimum amount of energy is required to most  loosely bounded  electron fro...

Q: I need the answer of question attached. Please provide step by step solution.

A: Variation of entropy with temperature at water in different type of physical state we find this diag...

Q: The change in energy for which of the following processes corresponds to the firstionization energy ...

A: *Amount of  energy  needed to remove first electron from isolated gaseous  atom to form, uniposative...

Q: What is the pH of a bleach solution that has a OH = 2.3 x 10-3 M? %3D pH %3D Is bleach acidic, basie...

A: pH is a method to determine the concentration of hydrogen ions present in a solution. It helps in de...

Q: Writing and Balancing Equations KINDLY ANSWER ALL OF THE QUESTIONS IN THE PICTURE PROVIDED

A: 11.  2NaF   +   Br2     ------>  2NaBr    + F2  12.  Pb(OH)2   + 2 HCl    ------>     2 H2O   ...

Q: Need help with question 6

A: On changing volume pressure also changes if we increase the volume pressure decreases. 

Q: he metals in Group IIIA, IVA and VA of the periodic table are not transition metals. However, all bu...

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

Q: The volume of water needed to dissolve 0.0724 grams of calcium chromate is ________ L.Assume no volu...

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Q: Chemistry Question

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Q: sodium sulfide, how many grams of solid precipitate will form? precipitate: 35.37 Incorrect How many...

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Q: question 10

A: The question is based on the concept of EQUILIBRIUM. We have been given Kb value. We need to calcula...

Q: Consider the reaction shown:reaction    P4(s)+10cl2(g)>4Pcl5(s)+452 KcalWhen 50.00 g of P4 react,...

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