What is the mass of a piece of iron that releases 212.32 joules of heat as it cools from 89.65 degrees Celsius to 27.37 degrees Celsius? The specific heat of iron is 0.450 J/gC; please answer to two digits after the decimal point.

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Q: The following radioisotope will decay through 82Sr 38 O Alpha Electron capture Beta Positron

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Q: A previous Chem 100 student carried out the experiment you did by reacting 0.04 g of magnesium. The…

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Q: 30 215N. Use the atomic masses on the table below to calculate Am for the change 14 Si u Which is…

A: The reaction given is, =>

Q: 2. You omit the following steps. Circle the correct answer and briefly explain in the space…

A: the solution is shown below.

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Q: What is the pH of a 3.79×10-3 M  aqueous solution of hydrochloric acid?

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Q: Chemistry Briefly describe the differences between the scanning and SIM approaches with reference…

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Q: CH,CH,OH CH, `CH3 H* CH3 но

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Q: 100 95 90 85 80 75 70 65 50 55 50 5- 0 5. 01 00 Sulfathiazole new method { 3500 3000 mm 2000…

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Q: Cinc reacts with hydrochloric acid according to the reaction equation Zn(s) + 2 HCl(aq) → ZnCl,(aq)…

A: We will use mole mole analysis  for this type of problem.

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Q: What is Δ G for the reaction below at 298K with a partial pressure of nitrogen dioxide of 4.0 atm.…

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Q: Give the maximum number of orbitals in an atom that can have these quantum numbers: n = 3, ml = -1

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Q: 1) Write a detailed, stepwise mechanism for the following reaction. In your mechanism, provide three…

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Q: 1. Use structures and words to show how the cyclization of the linear glucose molecule to the cyclic…

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Q: consider the following tin-permanganate cell: Sn(s) | Sn2+ (0.36 M) || MnO4- (aq) (0.050 M), H+(aq)…

A: The cell given is Sn(s) | Sn2+ (0.36 M) || MnO4- (aq) (0.050 M), H+(aq) (0.022 M) | MnO2 (s).

Q: IRelerences Use the References to access Important values Iir needed for this question. A sample of…

A: Given :  Moles of Krypton = 3.54 mol  Temperature = 56 °C = 329 K

Q: CO(g) + Cl2(g) ⇌ COCl2(g)    Suppose a system at equilibrium contains 102 atm CO, 229 atm Cl2, and…

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Q: 3. Determine the pH given the following values: a. [H] = 1 x 10-13 b. [H] = 1.58 x 10 000 ⁹ c. [OH-]…

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Q: Draw the structure of the main product of the following reaction: СНО Но H Cu2+ + H OH CH,OH

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

Q: Using the half reaction method, balance the redox reaction under basic conditions: Zn(S) + NO3-(aq)…

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Q: Which of the following reactions are REDOX? A 2 Na + Cl₂ → 2 NaCl B CH4+2O2 → CO2 + 2H2O C Fe2O3 +3…

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Q: What are the products A and B in the following Michael Addition? NOY H₂C OEt NaOEt, EtOH 1. Name or…

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Q: 14. What is the product of the following reaction. H;N-ÇH- -ÇH- CH-C-OH CH: CH: CH2 1) PhN= FSIH…

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Q: True or False: The reaction, S₂0g2+ Ni(OH)₂ + 2OH2SO42+NiO₂ + 2H₂0, will occur spontaneously under…

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Q: 1) Nal Br a) 2) NaCN, acetone I) NAOC(CH,), heat b) Br 2) BH, THF; 3) H,O, NaOH(aq) 1) HCI c) 2)…

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Q: A 0.4755-g sample containing (NH4)2C2O4 and inert materials was dissolved in water and strongly…

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A: Given: ECo2+|Coo=-0.29 VECd2+|Cdo=-0.34 V

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Q: In electrochemistry, specific conductance is defined as (1000/N)* k, where N is the normality of the…

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