At STP a gas occupies a 34.9 kiloliter balloon. How many mol of the gas must be in the balloon? mol

Q: Consider a buffer solution that is 0.50 M in NH and 0.20 M in NH4Cl. For ammonia, pKp = 4.75.…

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Q: 1. How does the human body regulates body temperature?

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Q: 3+ cation, the energies of the valence d orbitals on When a certain strong-field ligand forms an…

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Q: 1. NaOCH,CH, 2. H,O* CH,CH,OH

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Q: Gas A has a molar mass 21.8, while gas B has a molar mass 78. How much faster will A effuse? (record…

A: The process of escaping the gas molecule through a very small hole is known as effusion. During…

Q: Chapter 17 Multiple Choice Question 39 eview | Con Part A A 100.0 ml sample of 0.10 M NH3 is…

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Q: 3 Aluminum reacts with an aqueous solution containing excess copper (II) sulfate. If 1.85 g Al…

A: 3. Given :-  Balanced chemical equation :  2 Al + 3 CuSO4 ---> 3 Cu + Al2(SO4)3  amount of Al =…

Q: e reaction rate law applied to the reaction aA + bB → AB gives the expression a. roc[A]°[B]*[AB] b.…

A: For the given reaction aA + bB → AB

Q: free energy change

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Q: A gas occupies a volume of 4.50 L at 760.0 mmHg at a temperature of 25°C. What would be the new…

A: Given,  The volume of a gas at 760.0 mmHg pressure is 4.50 L, the volume of a gas at 200.0 mmHg…

Q: Carbon disulfide gas and oxygen gas react to form sulfur dioxide gas and carbon dioxide gas. What…

A: The reaction will be as:  CS2(g) + 3O2(g) ----> 2SO2(g) + CO2(g)

Q: ty due to the radioactive decay of the carbon-14 in a tiny sample of an artifact made of wood from…

A: Answer: the half life carbon -14 is = 5.73 × 103 years.  Activity of the sample in initial( Ao)=…

Q: What reaction will take place at the cathode and the anode when each of the following is…

A: Higher the value of standard reduction potential for a species, higher will be its tendency to gets…

Q: For the reaction 2 A+ 4 B-→ 2 C+4 D, what is the absolute magnitude of the rate of change for [B]…

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Q: HCI is slightly soluble in water O True O False Systematic Errors: have a definite value, an…

A: HCl is a strong electrolyte and it is very soluble in water. so the given statement is false.

Q: Draw the structure of the product of the reaction between AlCl3 and SCl2

A: Concept: AlCl3 react with the SCl2 and form Al2S and chlorine gass.  The reaction is as follows:…

Q: Draw the structure that formed between alpha-L-Erythrose with the amino acid Asparagine and label…

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Q: What is the standard free energy change for the reaction below?  2 H 2O( l) → 2 H 2( g) + O 2( g)…

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Q: at is the IUPAC name of the following substance?

A: Write IUPAC name of the following---

Q: Determine the (OH], pH, and pOH of a solution with a| H* of 0.0075 M at 25 °C.

A: Given :- [H+] at 25°C = 0.0075 M  To calculate :- [OH-], pH and pOH of solution

Q: A chemist measures the enthalpy change AH during the following reaction: Fe(s) + 2 HCl(g)→F€C1,(s) +…

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Q: Explain this phase diagram of copper and nickel briefly

A: A phase diagram represent the variation in the physical state of a substance under different…

Q: the standard half cell potentials to calculate the standard cell potential (E°cell ) for the…

A: -> 2Fe2+(aq) + Ni2+(aq) -----> 2Fe3+(aq) + Ni(s) Equation for reduction of Fe3+ is written…

Q: What is the pH of the solution at the equivalence point?

A: Equivalence point :-  In acid-base titration the point at which the amount of acid added is exactly…

Q: Hydrogen gas was cooled from 373 K to 283 K. Its new volume is 750.0 mL. What was the original…

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Q: The substance argon has the following properties: normal melting point: 83.9 K normal boiling point:…

A: Given: Condition-1:  54.6 atm and 74.6 K Condition-2:  0.680 atm and 74.6 K

Q: 6. An example of the type of cell described in question 5 can be represented as Mg(s) Mg (0.025 M)…

A: Given-> Mg(s)/Mg2+(0.025M)//Mg2+(1.5 M)/Mg(s)

Q: The value of Kep for AgBr is 5.4 x 10-13. For the Ag/AgBr electrode, AgBr(s) + e Ag(s) + Br (ag)…

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Q: Draw the major organic product formed in the reaction.

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Q: Calculate ∆Hrxn in kJ/mol of NaOH, if the initial temperature is 25.00 oC and the final temperature…

A: Given, the initial temperature = 25.00 oC The final temperature = 31.22 oC The volume of HCl = 100…

Q: The equilbrium constant, K, for the fellowing reaction is 1.20x10 at 50K An equlibrium misture of…

A: The equilibrium reaction given is PCl5 (g) ⇌ PCl3 (g) + Cl2 (g) The equilibrium constant (K) for the…

Q: reaction. NO is oxidized to NO, and Fe³+ is reduced to Fe2+. Complete and balance the equation

A: Answer: reaction  NO    +   Fe3+.   =     NO3-.       + Fe2+ First half reaction NO.    + 4OH-     =…

Q: 2. Rank the following species in order of INCREASING nucleophilicity (1= least nucleophilic a. "CN…

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Q: OH

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Q: Which of the compounds below, which have similar boiling points, would retain longer on a benzene…

A: (a) is the correct answer Naphthalene

Q: 4) The combustion of methane(CH4) produces carbon dioxide and water. Assume that 2.0 mol of CH4…

A: 4)  Given :- no.of moles of CH4 burned in presence of excess air = 2.0 mol  Actual yield of CO2 =…

Q: What are the products of the following reaction of an amine with water? + H2O 2 CH3-N-CH3 O…

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Q: Balanced Equation: Oxidized: Reduced: 6) H:O: + 10 I+ O: (acidic solution)

A: we need to balance the given redox reactions

Q: An arctic weather balloon is filled with 39.5 L of helium gas inside a prep shed. The temperature…

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Q: calculate the standard cell potential (E°cell )

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Q: 3.5 x 10-8) What is the pH at the equivalence point in the titration of 100.0 mL of 0.0500 M HOCI…

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Q: What are the products in the reaction: HCO31+H20 if the H20 is acting as a base? H2CO3+H2O O…

A: Here, we have to find the products in the reaction: HCO3-1 + H2O when H2O is acting as a base.

Q: A voltaic cell is constructed in which the following cell reaction occurs. The half-cell…

A: At anode, oxidation takes place. And at cathode, electrode reduction takes place.

Q: Design three different synthesis routes to make 3-octanol, with each one including a carbon-carbon…

A: a. Reaction between acid chloride and Gilman reagent give 3-octanone. 3-octanone is reduced to…

Q: Suppose the concentration distribution ratio is Dc = 20 for a substance in 10 ml of aqueous…

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Q: Give a clear explanation handwritten answer

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Q: CI CH3O" 5.

A: Note : Methoxide ion is strong base and tertiary alkyl halide prefers E2 elimination.

Q: 3) Which substance below is the strongest reducing agent? (a) Mg(s) (b) F2(g) (c) Cr(s) (d) K* (e)…

A: Strongest reducing agent is that Species which reduces others and itself get  oxidized . So…

Q: Select the carboxylic acid needed to form ethyl benzoate (shown below). OH ОН OH

A: We have find out the correct option.

Q: At a pH of 7.40, what is the ratio of the molar concentrations of HC03 to H2CO3? Express your answer…

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