A 45.5-g sample of copper at 99.8 °C is dropped into a beaker containing 152 g of water at 18.5 °C. What is the final temperature when thermal equilibrium is reached?

Q: 5. Brass is an a. Zinc alloy that combines copper with_ b. Copper c. Carbon d. Tin

A: An alloy is defined as a substance made by mixing two or more different types of metal. Example-…

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Q: How many grams sodium formate (HCOONa), 68.0069 g/mol) do you need to add to 250 mL of0.40 M formic…

A: required mass of sodium formate = 3.808 gExplanation:Given Ka = 1.77 × 10 -4Molarity of formic acid…

Q: CE 3500 Copyright 1994 300 2500 1501.53 2H 3H 2H zi mat 91-1221 254 740.55 Эн порнороско 8.4 8.2 9.0…

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Q: 7. An electrochemical cell is constructed with a tin electrode immersed in a 1.0 M SnCl2 solution…

A: standard potential of Galvanic cell = reduction potential at cathode - reduction potential at…

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Q: Write the systematic name of each organic molecule: HO structure OH HO OH OH name ☐ ☐

A: Solution is attached Explanation:Step 1: Step 2: Step 3: Step 4:

Q: An unknown compound X has the molecular formula C6H140. Compound at 3000 cm. The 'H NMR spectral…

A:

Q: what is the sum of the diamagnetic corrections for Cu(deen)2(BF4)2?

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Q: A solution NH3 that contains 78 mL of 0.043 M ammonia, NH 3, is titrated with 0.083 M HCI. The K₁ of…

A: Given,Molarity of NH3 = 0.043 Mvolume of NH3 = 78 mLMolarity of HCl = 0.083 MKb of NH3 = 1.8 x 10-5

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A: Given that, the structures of the molecule are:

Q: Write balanced half-reactions for the following redox reaction: 2 NO3(aq) + 2H2O(l)+21¯ (aq) →…

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Q: What is the pH of a solution containing 0.429 mol L-1 NH3 and 0.46 mol L-1 NH4+? Round your answer…

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Q: Put the following compounds in order of decreasing expected lattice energy. Na3N, MgCl2, NaCl, Mg3N2

A: The lattice energy of an ionic compound is determined by the electrostatic attraction between the…

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 (1HNMR) spectroscopy. The…

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Q: The reaction of tertiary butyl bromide with hydroxide ion at 55 °C (CH3)3 CBr + OH- = (CH3)3 COH +…

A: Rate= K [ (CH3)3CBr]Explanation:Thank You.

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Q: mem001 i. Cr2O72- + S→ SO2 + Cr203 j. Fe3+ + Cr203 → Fe2+ + CrO42- 7

A:

Q: What is the equilibrium constant, Kc, for an equilibrium mixture for the reaction 2BrCl3(g) Br2(g) +…

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Q: HO OH O H₂SO

A: The required answer is given below Explanation:Step 1: Step 2: Step 3: Step 4:

Q: 10. Explain the function of a salt bridge in electrolysis.

A: Given:Determine the function of salt bridge in electrolysis.

Q: The substance 2-methylpiperidine is a weak nitrogenous base like ammonia. Complete the following…

A: Given,The reaction:

Q: Which one is a non-benzenoid aromatic molecule? a 18 Janet 战 Benzene non oromolic non-aromatic…

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Q: A 1.369 g sample of N-2-acetamido-2-aminoethane-sulfonic acid potassium salt (ACES¯K+, MW = 220.29…

A: Given,mass of 2-aminoethane-sulfonic acid potassium salt ( ACES-K+ ) = 1.369 gMolar mass of  ACES-K+…

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A: The isomer is of C8H18 The combustion reaction is as follows:C8H18(g)+25/2…

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Q: Calculate the pH and the pOH of a solution containing a [H3O+] concentration = 2.5 x 10-2 M.

A: To calculate the pH and pOH from the given H3O+ concentration

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Q: What is the major organic product obtained from the following reaction? CO,CH3 об CO₂CH3 ཚིག་བདག…

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A: General Chemistry question Explanation:Approach to solving the question: General approach  Detailed…

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A: To solve this problem, we can use the Nernst equation, which relates the cell potential (E) to the…

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Q: What is the IUPAC name of the substance shown in the following line drawing?

A:

Q: Analyst Date 98 96- 94- 1% Analyst February 26, 2024 4:15 PM PerkinElmer Spectrum IR Version 10.7.2…

A: The question is based on the concept of organic spectroscopy. We need to analyse the spectral data.

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A: Each unique proton in a compound produces a signal in hnmr spectra.The value of the signal depends…

Q: Determine whether the following solution is acidic, basic, neutral, or more information is required.…

A: Given:Determine the type of soltion.