A piece of unknown metal with a mass of 26.4 g is heated to 92.2 C . When added to 50.00 mL of water at 21.4 C, the temperature of the water rose to 34.5 C. What is the specific heat of the substance?

Q: What is the symbol of an element that has a half-filled 4p level 1) Te 2) As 3) Sb

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Q: 3. One mole of ideal gas undergoes an isothermal expansion at 300 K from 1.00 atm to a final…

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Q: Which of the 4 reactions would feature an equilibrium constant greater than 1

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A: Assume that length of the edge of the unit  cell is "a".

Q: A 6.25 L sample of SO2 gas (64.06 g/mol) was collected over water at 35C and 721 torr. If the vapour…

A: To calculate the mass of SO2 in the sample, we need to know the following:The volume of the SO2 gas…

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Q: If the center atom has three groups of electrons around it, what type of electron geometry is…

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Q: Select all of the correct statements about reaction quotients and equilibrium constants from the…

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Q: Which of the reactions shown below are correct? LOCH 3 Oii 0 CH3NH₂ H₂NNH₂ H+ OCH3 CH3NH₂ CH3NH OCH3…

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Q: Classify the transformation as a reduction, oxidation, or neither. H₂C. This reaction is: O a…

A: Oxidation: In this transformation, the product will have added oxygen atom.Reduction: In this…

Q: Construct the CH3Br molecule in MolView and select the most accurate value of the H-C-H bond angle…

A: Given question related to determining the bond angle in CH3Br molecule.

Q: Under certain conditions the rate of this reaction is zero order in hydrogen iodide with a rate…

A: Given : Rate constant (K) = 0.0025 M.s-1Time(t) = 90 sVolume = 500 mL Initial mmole of HI = 450…

Q: What reagents are necessary to perform the following reaction? CN O 1. DIBAL-H, 2. H ₂0 OH ₂0, H + O…

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Q: Given the following phase diagram: Pressure A E ل B Temperature, °C G D Which point (i.e., letter)…

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Q: A general chemistry student isolated ciguatera toxin (a poisonous polyether produced by the…

A: Given,mass of ciguatera toxin = 192.9 mgmass of cyclohexane ( C6H12 ) = 3.397 gFreezing point of…

Q: reaction HCl(aq) + H₂O(1) Cl(aq) + H₂O* (aq) Nỉ (»9) + 6NH,(@q) - Ni(NH,), (4) A1³+ 3+ (aq) +…

A: According to the Lewis acid-base theory, Acids: According to the Lewis theory, an acid is a…

Q: Part B Br Spell out the full name of the compound. Br Part C CH₂ CH3 CH₂-CH3 Spell out the full name…

A: Give numbers to the benzene ring in such a way that the substituents get the lowest possible…

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Q: What is the use of round bottomed flask?

A: A round-bottom flask is a type of laboratory glass with a rounded bottom and a narrow neck. It…

Q: 3. Consider the following reaction: H₂(g) + 1₂(g) → 2HI(g) If the value of Ke for this reaction is…

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Q: Complete the statement below regarding C-C bonds (a) and (b) in the given structure. (b) Bond (a) is…

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Q: Macmillan Learning Calculate the molar masses for NH3 and SF. NH3 molar mass: 17 mass of NH3: How…

A: 1 mole = 6.022 x 1023 entitiesMass of 1 mole = molar mass Molar mass contain = 6.022 x 1023…

Q: Draw curved arrows to show electron reorganization for the reaction step below. Arrow-pushing…

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Q: Fill in the missing information: symbol Ge atom or ion? check all that apply neutral atom neutral…

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Q: H*, H2O OH

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Q: Determine the quantity of moles in 3.40 x 1022 molecules of H₂O₂

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Q: Gaseous butane (CH3 (CH₂)2CH3) reacts with gaseous oxygen gas (0₂) to produce gaseous carbon dioxide…

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Q: A sample of gas contains 0.1800 mol of CO(g) and 0.1800 mol of NO(g) and occupies a volume of 16.0…

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Q: e) Br NaOCH3 (give E2 product) 1) Hg(OAc)2 H₂O 2) NaBH4

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Q: BCC iron has a lattice parameter of 0.2866 nm. Carbon with a radius of 0.071 nm fills all the…

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Q: What would be the net charge on the peptide Asn-Phe-Lys at pH = 10.54?

A:

Q: How many moles of Zn(NO3)2 are there in 560. g of this compound? Note: Molar mass of Zn(NO3)2 is…

A: Mass of 1 mole = molar mass

Q: Assuming two molecules of FeCl3 are produced in the balanced reaction equation below, how many iron…

A: 2Fe + 3Cl2 ⟶ 2FeCl3Number of FeCl3 molecule produced = 2 moleculesNumber of iron (Fe) atoms involved…

Q: The reaction C₂Hg (g) →2C₂H₂(g) has an activation energy of 262 kJ/mol. At 600.0 K, the rate…

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Q: Ca(OH)2 (s) Calcium oxide reacts with water in a combination reaction to produce calcium hydroxide:…

A: The chemical reaction is: .The mass of CaO is 13.1 g.The mass of H2O is 2.42 g.The mass of Ca(OH)2…

Q: ance the chemical equation. CS_(2)+NH_(3)->H_(2)S+NH_(4)S

A: To balance the chemical equation:CS₂ + NH₃ → H₂S + NH₄SCNBelow given the balanced equation with…

Q: - Give the name for the acid with the formula HBrO₂. HBrO₂: Bromous Acid Incorrect acid

A: Chemical formula is a symbolic representation of the elements in a compound. Here we have to write…

Q: Select the correct IUPAC name for the following compound. H cis-2-methylcyclohexanecarbaldehyde…

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Q: For the molecule given, prioritize each substituent on the stereogenic carbon, and assign absolute…

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Q: A small amount of sodium chloride (NaCl) is dissolved in a large amount of water. Imagine separating…

A: The heat absorbed or released in a process at constant pressure is equal to enthalpy change.…

Q: in a government lab, 1142g of chlorobenzene is reacted with 485g of chloral what mass of ddt is…

A: Given,mass of chlorobenzene = 1142 gmass of chloral = 485 g

Q: The positive charge in dragmacidin D is delocalized. Draw all resonance structures that show…

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Q: What is the rate law for the following reaction? Ph- Br rate = k[R-OH] rate = k[R-Br][R] rate = Ksp…

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Q: In each of the following reactions, one of the reagents contains two reactive groups (either acidic…

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Q: Black Forest Biologicals, a biotech startup, has a promising Alzheimer's drug candidate Compound…

A: Provided, according to the Law of Conservation; mass can't be destroyed or created. In both trial…