A gas sample at STP contains 1.47 g oxygen and 1.66 g nitrogen. What is the volume of the gas sample?

Q: You have learned that ester may be hydrolyzed in aqueous base. Why does a workup using 50ml of 10%…

A: Esters may be hydrolyzed in aqueous bases.

Q: Exercise 48. Draw the product of the [3,3] sigmatropic rearrangement of each compound. 1. 2. 3. ОН…

A: The is [3,3] sigmatripic rearrangement takes place.

Q: Calculate the AH° of the borate dissolution at 25°C in kJ mol1, if the 22.12 mL of 0.025 M HCI…

A: Solution- Given data- T= 250C =298K  ∆S0 = 61.14 J mol-1 K-1, gas constant = 8.314 J mol-1 K-1

Q: 4Na decays β- with a half-life t1/2=15 hours. A solution containing 0.050 μCi of 24Na is injected…

A: Given the half-life of 24Na, t1/2 = 15 hour Disintigration constant, λ = 0.693t1/2 = 0.69315 hr =…

Q: How many moles are there in 25 g of hydrogen Chloride, HCl?     4.32 x 10^23 molecules   5.34 x…

A:

Q: Therefore, the rate of reaction is 0.005 mol/s 1. Iron reacts with oxygen as shown in the balanced…

A:

Q: Manganese reacts with hydrochloric acid to produce manganese(II)(II) chloride and hydrogen gas.…

A: Mass of Mn = 0.625 g Molar mass of Mn = 55 g/mol Mole(n) = 0.625/55 = 0.0114 mol Volume = 100 mL…

Q: Identify the oxidizing agent, the reducing agent, the substance being oxidized, and the substance…

A: Oxidising agent is the substance which oxidises other species and reduces itself. Reducing agent is…

Q: For the following voltatic cell that has the following redox reaction: -2 + 4 3. Cut2 + SO2 + 2 H20…

A:

Q: How long will it take to plate out 3.0 g Ni from aqueous Ni2+ with a current of 108.4 A?

A: Faraday's first law of electrolysis states that amount of a substance deposited at any electrode is…

Q: Two polymer samples were characterized separately: Polymer Alpha Polymer Beta Mass Molecular…

A:

Q: b. Thermodynamics Circle the correct choice or fill in the blanks in each of the following: f. Which…

A: All the given problems are related to the chemical thermodynamics. Entropy is a measure of…

Q: 16 17 18 19 20 21 22 23 24 = 25 26 27 15 The rate at which a certain drug is eliminated by the body…

A: In case of first order reaction :  Half life time = 74 minutes. Initial concentration = 0.16 μg/ml.…

Q: 1. What determines the frequency and period of an oscillating mass?

A: As you didn't specify question number you need hence I'm answering first question only. If you need…

Q: Suppose that an in-ground swimming pool has a length and width of 22.0 ft and 39.5 ft, respectively,…

A:

Q: . Show how the enamine below can be synthesized. Then draw the resonance structure(s) for the…

A:

Q: 1-bromo-1,3,5-triethylcycdohexane + ethanol >?

A: Detail mechanistic pathway is given below to find out the product(S)

Q: Exercise 46. Draw the products of the following electrocyclic reactions, and indicate whether the…

A: The given questions are class of pericyclic reaction.

Q: RY [References] INTERACTIVE EXAMPLE Electroplating How long will it take to plate out 3.0 g Ni from…

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

Q: Complete this prelab assignment (questions 1-3) on these sheets in the spaces provided. Combine this…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Complete the following: а. The conjugate base for NH3 b. The conjugate acid for NH3 What substance…

A: Bronsted -Lowery acid-base theory:  Bronsted acid: proton donar  Bronsted base: proton acceptor…

Q: 6. What is the molar mass of a gas if 36.4 g of the gas occupies 100.0 L at 32.0°C and 0.800 atm?

A: Given,  Mass of the gas in g = 36.4 g  Volume in L = V = 100.0 L  Temperature in 0C = T = 32.0 0C…

Q: Directions: Record your interactions with electromagnetic waves for at least 1 day. Remember cell…

A: Ans. Record my interaction with electromagnetic waves: Time Activity Type of EM wave Produced by…

Q: How many seconds are required to deposit 0.240 grams of tin metal from contains Sn2+ jons, if a…

A: Given,  Mass of tin = 0.240 g Current (i) = 0.561 A Molar mass of Sn (M)= 119 g/mol Number of…

Q: .100.0 mL of a 0.0875 M weak base solution is titrated with 0.250 M HCI. The pH after the addition…

A:

Q: The formulation of sweet and sour sauce is: 20g cornstarch, 5g salt, 20g sugar, 25g vinegar, and…

A: Given,  20g = cornstarch, 5g = salt, 20g =sugar, 25g = vinegar, and 230g =  water Total mass = 20 +…

Q: 9. Complete and balance (electrons must be included) the following half-reactions: a. Sn (s) Sn*+ b.…

A: For balancing reaction 1.  We have to find oxidation number of each elements. 2. We balance number…

Q: How many minutes will it take to

A:

Q: What are azeotropes, and how do they affect a distillation process? Azeotropic distillation is a…

A: Azeotropic distillation is a method of separating mixtures based on differences in their…

Q: Explain how fossil fuels, which are made of carbon and hydrogen, contain sulfur compounds.

A: Solution : Fossil fuels are found in the Earth's crust and contain carbon and hydrogen…

Q: Direction: Analyze the statement carefully. Write TRUE if the statement is correct and FALSE if it…

A: The functional groups are a group of atoms which shows a specific type of chemical and physical…

Q: Draw each plane in the x, y, and z axes on its own, with full labels for the given dimensions on…

A: Given:

Q: The "melting point" of a DNA molecule is the temperature at which the double-helical strand breaks…

A: It has been given that melting point of DNA sample is the temperature at which helix breaks apart .…

Q: What is the pressure of 1.51 g of nitrogen gas confined to a volume of 0.105 LL at 30 ∘C?

A:

Q: Draw the products of each reaction

A: Given First problem is acetal formation reaction in organic chemistry. Second is quasi favorskii…

Q: Give the major products (structure and name) of the major organic products you would expect from the…

A:

Q: The acid dissociation constant K of carbonic acid (H,CO,) is 4.5 × 10 . a. Calculate the pH of a…

A:

Q: 9.) Calculate the coefficient of performance of a carnot refrigerator was 5.0. How much work is…

A:

Q: When the Pb2+ concentration is 1.02 M, the observed cell potential at 298K for an electrochemical…

A:

Q: Draw the structural formula for each of the following.   1. 2-bromo-3-methylbutane

A: Structural formula:

Q: QUESTION 15 Which of the following is diamagnetic? O 13AI 15P 24Cr 48C. 83BI QUESTION 16 Which ion…

A:

Q: Molten ScCl3 can be electrolyzed to form metallic Sc. For what duration should an electrolysis be…

A:

Q: A chemist dissolves 345. mg of pure nitric acid in enough water to make up 150. mL of solution.…

A:

Q: An aqueous solution at 25 °C has a H,O' concentration of 3. x 10 'M. Calculate the OH concentration.…

A:

Q: A 50 ml of 0.10 M NHa is being titrated by 0.10 M HCI. (Kb(NH»)) = 1.8 x 10) a. What is the pH at…

A:

Q: Enthalpy change for one mole, (AH) -58.3 kj mol Density 1 M NaCl, (4) 1.037 g mL Specific heat of 1…

A:

Q: For each pair of compounds listed, check the box next to the one with the higher boiling point.…

A: Between Rn and He ,Rn has higher size than He ,so, van der Waal force of Rn is greater accordingly…

Q: For questions #9- #12 A solution was prepared by dissolving 11.0g of compound in 270.0g of ethanol…

A:

Q: Identify reagents that can be used to achieve the following transformation): OH он The…

A: Detail mechanistic pathway is given below to carry out the conversion

Q: sk: The Chemistry of Respiration Quantities 2. Examine the two scenarios belowoi6g • Scenario A: 100…

A: The aerobic oxidation of glucose take place in presence of oxygen, the reaction can be written as -…