A ribbon of metallic magnesium weighing 12.5 g was thrown into the beaker with dilute hydrochloric acid. Assuming the acid was used in excess, calculate the work performed by the system as a result of the reaction. The temperature was 20.2 ° C and the pressure external 1.0 atm.

Q: StectureD is more stable. Deaw the Newman projections for these two Chairs?

A:

Q: : Calculate the increase factor in the fraction of surface atoms when macro sphere 1 m in diameter…

A:

Q: Draw the amide formed when isopropylamine (CH₂CH(CH3)NH₂) (CH3CH(CH3)NH₂) is heated with each…

A: It is a amide formation from carboxylic acid

Q: Construct a simulated 'H NMR spectrum for the given structural formula. Drag the appropriate…

A: The concept used in this problem is based on Nuclear magnetic resonance \left( {^{\rm{1}}{\rm{H…

Q: A 0.5510 g KIO3 sample was dissolved in distilled water. It was transferred to a 500.0 mL volumetric…

A: Given Amount of KIO3 = 0.5510 g Volume of Solution= 500 mL  Molecular weight of KIO3 = 214 g/mol

Q: Synthesize ethylbenzoate using benzoic acid and acetonitrile.

A: Here we are required to synthesize ethyl benzoate using benzoic acid and acetonitrile

Q: Branched compounds are said to have weaker intermolecular forces of attraction. Therefore, between…

A:

Q: Name: Calculate each of the molar masses below. Use the space below in each box to show your work.…

A: Ans : 3) 1 mole of Mg =  24.31 g Mg i e  Mg = 1g × 24.31  Total = 24.31 g     4) 1 mole of H2SO4…

Q: many application: hospital a tank of 0.0284-m3 volume is filled with 3.500 kg of liquid O2 that…

A: The number of moles of O2 can be calculated as, number of moles=given massmolar mass…

Q: 4) Predict a decrease (highest to the lowest) in the enthalpy of vaporization for the following…

A:

Q: Complete the following diagram for the carbon molecule (C2):

A:

Q: Which of the following statements is/are TRUE for a GALVANIC CELL? * It is also known as voltaic…

A: The device in which electrical and chemical energies are interconverted is known as an…

Q: 1. What is the specific gravity of N2 at 80°F and 745 mm Hg compared to air at 80°F and 745 mm Hg?

A:

Q: Show the retrosynthesis and the synthesis of the following compounds: OH Target material Starting…

A: Dear student, the given question is a multiple question, hence I solved first question according to…

Q: Chemistry help 3 Suggest a stepwise synthesis for 5-methylhexanal from 3-methyl-1-bromobutane.

A: To suggest a stepwise synthesis for 5-methylhexanal from 3-methyl-1-bromobutane.

Q: 7.33 The agarose gel used for the electrophoresis of DNA is seaweed polysaccharide containing an…

A:

Q: quation 2 8+8 H₂ 0₂ Reactants Number of hydrogen atoms Number of oxygen atoms -> go H₂O Product…

A:

Q: C₂H5OH + 302 2CO₂ + 3H₂O AH=1367kJ/mol How many grams of carbon dioxide are produced when 530. kJ of…

A: Ethanol reacts with oxygen to form carbon dioxide and water. The equation for the balanced…

Q: Humber 1 2 Mg= 0= d speaker notes Ca= 0= Reactants Mg+ 0₂ Ca+ 0₂ Yield → → Mg= 0= Ca= 0= Products…

A: The Chemical reaction follows the law of conservation of mass. According to the law of conservation…

Q: 8.3.01 x 1023 CH₂O molecules moles CH₁₂0 9. 1.00 x 1025 Na atoms moles No

A: Here, we have to find the number of moles of C6H12O6 in 3.01×1023 C6H12O6 molecules and the number…

Q: Given the data in the table below, AH, for the reaction rxn IF5 (g) + F2 (g) → IF7 (g) AHᵒf…

A: The standard enthalpy of formation is the enthalpy change of reaction in standard conditions when…

Q: Classify the following by the sign of AE for the system. Drag the appropriate items to their…

A: To classify the following by the sign of ∆E for the system.

Q: Based on the graph, the retention of 4-aminobenzoic acid is not affected changes in mobile phase pH…

A: In the ph (2-9) , 4-aminobenzoic acid remains in zwitterionic form and have both +ve and -ve end…

Q: 7.53 Draw the products of each SN2 reaction and indicate the stereochemistry where appropriate. (J +…

A:

Q: An ion-selective electrode for fluoride was investigated. The following results were obtained. Plot…

A:

Q: You need 950 mL of a 90% alcohol solution. On hand, you have a 5% alcohol mixture. How much of the…

A: 90 % alcohol solution states that 100 mL of solution contains 90 mL of alcohol. The mixture is…

Q: Draw appropriate energy diagrams and determine all possible numbers of unpaired electrons in…

A: Paramagnetic substances can be defined as the substances having unpinned electrons in the orbitals.

Q: Draw the expanded structural formula of the following compounds. 1.)5-chloro-4-ethyl-2-hexanol

A:

Q: An air conditioner (AC) is a cooling device in which the inside of the house can act as the cold…

A: Work = power x time  = (1.7 x 103 W) x (24 hour) =(1.7 x 103 W) x (24x60x60 seconds) = 1.47 x 108 J…

Q: cation 4- Pb Sn Mn Cu anion 0²- 3 P N S Some ionic compounds empirical formula Ú 17 17 name of…

A: Empirical formula: it can be defined as the simplest whole number ratio of different atoms in the…

Q: if the KI dissome in water to make Solution The Salut 11 density of and The Mass of KI дрения 1209…

A:

Q: 3. For the following system at equilibrium N2(g) + 3H₂(g) 2 NH3(g) K = 626 at 200°C the equilibrium…

A:

Q: When toluene is treated with bromine (shown), the bromine doesn't react with the double bond to form…

A:

Q: What ionic form of nutrient would most likely be easily leached/washed out from the soil? a. Cation…

A: (a) cation.

Q: a) At which electrode is Cu deposited (rise or fall)? (b) The bubbles produced are the gaseous…

A: During the process of electrolysis of copper on platinum electrodes, an aqueous solution of copper…

Q: 2. Liquid oxygen is used in the steel industry, in the chemical industry, in hospitals, as rocket…

A: Pressure in Tank exceed the safety limit.

Q: Consider the reaction: P4(s) + 6Cl₂(g) → 4PC13 (1) Given an initial mass of 15.75 g P4, an excess of…

A:

Q: Which of the following is most paramagnetic? (a) Fe . (b) Fe3 + ion (c) The ion complex [Fe (CN) 6]…

A: Paramagnetic substances can be defined as the substances that contain unpaired electrons.

Q: An ideal gas (which is is a hypothetical gas that conforms to the laws governing gas behavior)…

A: Given: When an external pressure of 2.00 atm is applied to the wire, the gas compresses from 6.60 to…

Q: Choose two chemicals that can be produced from toluene. Explain their price, production volumes and…

A: Toluene is aromatic compound that have molecular formula C6H5CH3. Toluene is produce from…

Q: "Btor Predict the ¹3C spectrum of the 3-ethylpentane. H₂CH₂- 5 -CH₂-CH₂ 1. How many signals would…

A: We have to tell about the 13C spectrum of 3-ethylpentane.

Q: Given the molecular formula and ¹³C NMR data (in ppm), deduce and draw the structure of the unknown…

A:

Q: TYPEWRITTEN ONLY PLEASE UPVOTE. DOWNVOTE FOR HANDWRITTEN. DO NOT ANSWER IF YOU ALREADY ANSWERED THIS

A: (a) Isothermally expansion means temperature constant, so, Delta T= 0 (change in temperature) We…

Q: A 290.3-g sample of ground water is analyzed for calcium. The Ca2+ in the sample is first…

A:

Q: A sample of neon gas at 7.0 °C and a volume of 10.0 L is heated to 147 °C. What is the volume of the…

A:

Q: Compare: number of peaks above above 1500 cm¹ in IR spectrum Jun CH3 H3C H₂ I. O the quantity in I…

A:

Q: Given the parent compound, draw the mass spectrum fragment that is observed at m/z 91. Include any…

A: Mass spectrometry measures the mass of the compound and its fragments in the form of a cation. The…

Q: Calculate the amount of heat needed to boil 172. g of hexane (C6H₁4), beginning from a temperature…

A:

Q: If 850.0 J amount of heat is added to a system of ideal gas and the work done by the system is 460.0…

A:

Q: H C C. 'N' Н С NH₂ OH CH₂ CH₂ 2x Eto

A: Here we have to write the mechanism and products formed in the following given reactions. Here the…