Draw a Lewis structure for C3H8 and another for CH3CH₂NH2 on your paper.

Q: A pure solid sample of Substance X is put into an evacuated flask. The flask is heated at a steady…

A: Cooling curve is a plot of temperature vs. heat and gives information about the phase change of a…

Q: n= 3.s n = n= AP 5d Aim = J = J = J

A: Since, For representation of electron in an orbital we use four type of quantum number-- 1)Principle…

Q: 2. Please calculate the standard enthalpy of reaction (AHxn, in kJ/mol) for the preparation of…

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Q: Which species below has eight valence electrons in its Lewis symbol? F* S²- O Si Mg+ O Art

A: S-2 is the only above species which has 8 valence electron.

Q: Classify the basicity of acetate, CH3COO, based on its reactivity in aqueous solution. Choose 1…

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Q: A chemist measures the enthalpy change AH during the following reaction: Sg(s) + 24 F₂(g) →8 SF 6(g)…

A: To solve this problem we have to use the given thermochemical reaction .

Q: For each of the following unbalanced chemical equations, suppose 1.30 g of each reactant is taken.…

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Q: Carbon from a glacier mummy discovered in the Tyrolean Alps has an activity of 5.47 decays of- 14C…

A: we have to calculate the age of sample

Q: Reaction 3: + HCI (3М) H₂N 1 4 ОН 7 E+ ОН NaOH (6M) H₂N НО ОН 2 07 5 8 ONa OH CIH3N 3 6 9

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Q: Calculate the pH of a 0.17 M solution of HCIO, with Ka = 3.5x10-8. Type your numeric answer and…

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Q: A heating curve for the compound "benzene" is shown.  Which regions of the heating curve are where…

A: The heating curve generally has five stages, it shows us how a substance changes its state from…

Q: A student sets up the following equation to convert a measurement. (The ? stands for a number the…

A: Answer:- This question is answered by using the simple concept of dimensional analysis using the…

Q: Methyl red is a pH indicator. It turns red if the pH drops to 4.4 or lower, and turns yellow in…

A: Methyl red indicator turns red if the pH drops to 4.4 or lower andIt turns yellow if the pH is 6.2…

Q: 12. Which conditions would be the best choice for the following conversion? ? A) HCI, H₂O C) BH3/THF…

A: The reagents which bring about a chemical change in an organic substrate to form a new organic…

Q: The equilibrium constant Kp for the reaction is 151 at a certain temperature. Calculate Po, if PNO…

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Q: ▼ Part A For the reaction 2Co³+ (aq) + 2Cl(aq)→2Co²+ (aq) + Cl₂ (g). E = 0.483 V what is the cell…

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Q: 5. The mechanism for the reaction of 3-methyl-1-butene with sulfuric acid will proceed through which…

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Q: atomic mass 32.066 g/mol electronegativity 2.58 electron affinity 200.4 kJ/mol ionization energy…

A: Answer:- This question is answered by using the simple concept of ionization enthalpy which is equal…

Q: Given what you know about the specific heats of various substances, why are pots and pans made of…

A: • Here, we have to choose the correct option.  • We have to give the reason why the pots and pans…

Q: Classify each of the events based on whether the solubility of the gas will increase, decrease, or…

A: • The solution of this problem will be based on the use of Henry's Law which give the relationship…

Q: Which of the following reactions is a substitution reaction (Note: For each choice, only the organic…

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Q: Determine the number of sets of equivalent protons for cis-1,2-dichlorocyclohexane. Select an answer…

A: Total 5 sets of equivalent protons.    Correct option is D.

Q: Which of the following mixtures will result in a chemical reaction?     A)  NH4NO3(aq) +…

A: Correct option -->    D)  Na3PO4(aq) + KOH(aq)

Q: For the system, 2 NO2(g) --> N2O4(g), ?Grxn° = 17.3 kJ/mol at 1000 K. If the system was initialized…

A: we have to calculate the value of delta G for the system

Q: QUESTION 7 Given the following reaction: 2A + B yields 3C + 4D How many moles of D can be produced…

A: Given :-  The given reaction 2A + B → 3C + 4D Moles of A = 1.5 mol  Moles of B = excess  Moles of D…

Q: Could I have help determing the M(molarity of the follwing problems) I am having trouble…

A: Molarity is the moles of solute present per litre or per 1000 mL solution.

Q: Question 5: What is the formal charge of Nitrogen and Oxygen atoms in the following? H-CEN-Ö:…

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Q: For the reaction shown, select the expected major organic product. A I B || Ⓒ III D IV V 11 III H₂…

A: Organic reactions are those in which organic reactant react to form organic products. In the given…

Q: Calculate the mass of aluminum used in the reaction with 30g of hydrochloric acid

A: Given, mass of hydrochloric acid (HCl) = 30 g mass of aluminium (Al) = ? Note: molar mass of…

Q: Although the Arrhenius and Brønsted-Lowry share some similarities, the two theories view acids and…

A: In the given question we have to identify the statement for Arrhenius theory and Bronsted-Lowry…

Q: You are preparing standard acid and base solutions for the laboratory, using potassium hydrogen…

A: we have to calculate the molarity of HCl

Q: closest-packed sulfide ions with zinc(II) ions occupying all of the tetrahedral interstices…

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Q: Q8. Give the major products for each reaction below. 요 요 MeO. Br Br i. LDA 요 OMe NaOH P3 NaOH P2 P1

A: Use aldol reaction

Q: The pH of a 0.50 M solution of ethylamine CH3CH₂NH2 is 12.21. Calculate the Kb of ethylamine. Use…

A: we have to calculate the value of Kb for ethylamine

Q: What would have a higher melting poit KCI or MGO

A: MgO has higher melting point than KCl because of high value of lattice energy.

Q: 2. Give the best Lewis structure for the following, assign charges as necessary. Bolded and…

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Q: What volume, in mL, of 0.364 M Li2CO3 solution is required to react with 53.9 mL of 0.307 M HNO3.…

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Q: The pOH of 0.0150 M solution of Sr(OH)₂ is

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Q: 1. Briefly define the following terms (b) enantiomers. (d) diastereomers

A: We have been asked to define enantiomers, diastereomers and meso compounds.We have been asked to…

Q: In addition to your recorded pH called make a table showing the corresponding [H3O+]values. Also…

A: We use the below formula to find [H3O+] from pH.  [H3O+] = 10-pH

Q: A solution made from 105 mL of isopropanol in 145 mL of water has what volume percentage of…

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Q: 9. The best reaction scheme to achieve the following reaction is which of the following? ? (A) HBr,…

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Q: Calculate the heat of reaction AH for the following reaction: 2 CH₂(g) + 30₂(g) 2 CO(g) + 4H₂O(g)…

A: Heat of the rxn = sum of bond energy (Product - Reactant) kj/mol

Q: A chemistry graduate student is given 300.mL of a 0.50M pyridine C5H5N solution. Pyridine is a weak…

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Q: Which of the following series of isoelectronic ions (Mg2+, N³, F, Si++) has the ionic radii in order…

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Q: The addition of 100 g of an unknown compound to 1.5 kg of CCl4 lowered the freezing point of the…

A: In the given question we have to calculate the molar mass of unknown compound,  first of all, we…

Q: - Calculate the energy absorbed by 215 g of liquid water when it heated from 23°C to 78°C. (specific…

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Q: How many orbitals have the following set of quantum numbers: n = 6, l = 3?

A: Quantum number are those which tell us location of electron in shell, subshell and orbitals. In the…

Q: At 25°C, the pH of human blood is around 7.40. Calculate [OH-] in human blood. Do not enter units as…

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Q: эмо OME MaOME нзот о OME

A: Curley arrows are always drawn in such a way that the arrow head is pointing to the atom that is…