Calculate the specific heat of a substance if 420 calories is needed to raise the temperature of this 75 grams substance  from  15 ᵒC to 50 ᵒC.

Q: The energy released by the nuclear bomb that destroyed Hiroshima was equivalent to 12.4 kilotons of…

A: Given,  The nuclear bombs released energy = 12.4 kilotons of TNT = 1.44 × 1014 J.  The mass of…

Q: Complete the tables Direction: Write your answer in a clean and sheet of paper. 1 Na₂S + HCI NaCl +…

A: Here we are required to balance the reaction

Q: h Consider this reaction when answering the following question(s): :0: :0: :0: acid H₂C CH3 CH3…

A: Organic compounds can be defined as the compounds that contain carbon and hydrogen atoms in a…

Q: 3. General Knowledge Rank the following compounds using numbers 1-4 in the box provided. (1 = most,…

A: We have to tell among the given compounds, which one is more reactive and which one is least…

Q: An unknown acid, HB, has a ∆G°rxn of 22.5 kJ/mol at 298 K. What is the Ka of HB?

A:

Q: 4. Suggest a synthesis for the following from the indicated. starting material and any necessary…

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

Q: 7. Chlorine dioxide, C10, is a reactive oxidizing agent. It is used to purify water. 6C10+ 3H₂O…

A: We have to calculate limiting reagent and amount of products formed

Q: How many distinct and unique isomers (excluding stereoisomers) can be drawn for…

A: The given coordination complex is Co(en)(H2O)(NO2)(F2).

Q: II. Balance the following equations. Show your solution. 1. Al + O₂ Al2O3 2. C3H8 + O2 3. Al(NO3)3 +…

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Q: Give the common name and IUPAC name: 10. CH3(CH2)2CON(C2H5) (C4H9) iso

A: Amides are amine derivatives of carboxylic acids.Amides are qualified as primary, secondary, and…

Q: The half life for the radioactive decay of potassium-40 to argon-40 is 1.26 × 10⁹ years. 9 Suppose…

A: we need to calculate the age of the rock

Q: Draw 7 constitutional isomers of a cycloalkane with the formula C6H12. Name each of the isomers you…

A: Given,  The 7 constitutional isomers of cycloalkane that has molecular formula - C6H12 is:

Q: Using mass and charge balances, find the equilibrium concentrations of H+ , HOCl, OH− and OCl− when…

A: HOCl ---> H+ +OCl- I    10-3M       0       0 C      -x             +x     +x E  10-3 -x…

Q: Fill in the blanks: A buffer solution is consists of 0.100 M HCN and 0.200 M NaCN. HCN + H₂O H30* +…

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Q: T 200 180 160 140 120 100 80 60 40 20 0 8 ppm This spectra is mostly likely to be which compound…

A: The correct answer about C-13 NMR spectrum is given below

Q: Determine the correct species considering the following dissociation process: HNO3 (aq) + H2O (l)…

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Q: Me 1 1. FeBr3, Br2 2. AICI 3, Me Me Me Me N Br Br v o r e Br Br A B D Me I N E Br

A:

Q: In this experiment, the problem is that the volume of the volumetric pipet is not accurately known…

A: As we know density and volume are related to each other  Density = mass/ volume  As volume is…

Q: Determine what reagent can be used to separate the following solutions. (Pick the best Choice)…

A: 1) When a mixture containing potassium ion K+ and calcium ion Ca2+ , then if we add ammonium…

Q: Draw the reaction of a conjugated diene with either HX (HCI, HBr, or HI), X2 (C12, Br2), or with a…

A:

Q: Through titration with a known standard, we counted that an unknown solution contains 0.048 moles of…

A: Given,  Moles of acetic acid = 0.048 mol.  The original volume of acetic acid = 120.0 mL.  The…

Q: how to draw this as a normal cyclopentane

A: given cyclopentane to normal cyclopentane

Q: Answer the following questions for the reaction scheme below: LOH CEN = + H-CEN phenol cyanide…

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Q: Below you will see a wedge-dash diagram, and an incomplete Newman projection with the designated…

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Q: Cassium sulphate: 4H₂O + 4e=40H + 4H 4H=2H₂ 2Cl2e = 2CI 2Cl = Cl₂ K+ +e = K 2H₂0 - 2e=4H+ + 20 20=02…

A: In electrolysis, anion moves towards anode and cation moves towards cathode.  Electrolysis of…

Q: HNO3(aq) + Ba(OH)₂(aq) → Ba(NO3)2 + H₂O

A:

Q: Suggest a synthesis for the following compound from the indicated starting materials and any other…

A: Since, you have multiple questions. So, I will solved first question for you.  You can see the…

Q: V3+ √³+ (aq) (aq) + V2+ A student wanted to observe the reaction of Fe²+ Fe3+ (aq) using an…

A:

Q: The half-life of chromium-51 is 28 days. If the sample contained 510 grams, how much chromium would…

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Q: 11. Order: Ticar (ticarcillin disodium) 1 g IVPB q6h, infuse in 50 mL D5W over 45 minutes. The…

A: The solution of the given question is

Q: What is the IR and HNMRAndCNMR and mass

A: given formula C8H7N find IR, MS,HNMR, 13 CNMR

Q: Draw a skeletal (line-bond) structure of cis-1,3-dimethylcyclohexane. Use a dash or wedge bond to…

A: We have to draw the skeletal or line-bond structure of cis-1,3-dimethylcyclohexane.

Q: A student mixed some iron (II) ions with some bleach and observed a precipitate. The most likely…

A: This is an example of redox reaction, and let us see how we can approach the question-

Q: 2. Select the chemical structure (possible) from the given IR spectra r 4000 3000 1500 سلمه 2000 Ion…

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Q: Calculate the max using Woodward-Fieser Rules te

A: The woodworld fisher rule is used to calculate the Lambda maximum value of the given compound.

Q: A 1.171 g sample contains only vitamin C (CH₂O) and sucralose (C₁2H₁9Cl₂ Og). When the sample is…

A: The osmotic pressure gives a relation between concentration, temperature and osmotic pressure. It…

Q: Lab Activity: Isolation of Lycopene from Tomato Paste What is the drying agent that should be used?…

A: The lycopene extract is washed with aqueous NaCl and K2CO3 to remove any impurity.

Q: A sample of gas has the volume of 148 L. at the temperature of 102 oC. If the volume is changed…

A: The temperature and volume of a gas at two different conditions can be related as: V1T1=V2T2…

Q: The UV spectrum of acetone shows two peaks of amax = 280 nm, e = 15 and 2max = 190 nm, e = 100.…

A: In UV spectrum, we consider four types electronic transitions. 1- σ→σ 2- π→π* 3- n →π* 4- n--->…

Q: Suppose 0.159 g of lead(II) nitrate is dissolved in 150. mL of a 40.0 m M aqueous solution of…

A: Here we are required to find the Molarity of lead cation

Q: Read and analyze each statement below. Cross-out the number of items that are correct. 1. The…

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Q: Using Table 8.1 from Chapter 8, rank the following bonds in order of decreasing polarity. I A BC BO…

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

Q: a) Given the Fischer projection for D-ribose below, draw the structure of 8-0-ibofuranose -OH -OH…

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Q: Draw the skeletal (line-bond) structure of trans-4-methylhex-2-ene.

A: In skeletal structure, we represent compounds by line bonds without showing all the atoms present in…

Q: Provide the IUPAC name and common name of the following carboxylic acids: CH3 I 1. CH3CH2CH – CHCOOH…

A: (1) It has longest chain of four Carbons because because COOH is most active functional group with…

Q: Gaseous ethane (CH₂CH3) will react with gaseous oxygen (0₂) to produce gaseous carbon dioxide (CO₂)…

A: Given,  The mass of ethane (CH3 CH3 ) = 2.1 g.  The mass of oxygen O2 = 9.80 g.  The maximum amount…

Q: what's the point group of an octahedron with one blue face, the others yellow

A:

Q: Use the following equations to answer this question: A 12 +2e- →21 B SO4²- + H+ + e- H₂SO3 + H₂O C…

A: When potassium iodide is mixed with chlorine water then a redox reaction takes place because…

Q: Percentage purity of a sample of 0.1350 g of As2O3 assayed iodometrically using 23.5 mL of 0.1055N…

A: Here we have to determine percentage of purity of As2O3 in 0.1350 g of sample when it use 23.5 ml of…

Q: Determine the valence electronic configuration of an atom in period 6 and 4A group.

A: Atom present in period 6 and group IV A is Lead (Pb). It's valance electronic configuration is 6s2…