Compute for the water activity of a bottled beef rendang containing 15g salt and 275g of water. (MWH20=18g/mol;MWNACI=58g/mol)

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Q: The reaction N2Oals) == 2NO2lg) has a K, - 0.140 at 25 °C. In a reaction vessel containing the gases…

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Q: Calculate for the average %moisture content of the granola bar.

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Q: 1) Upon dissolving 90.0g of KNO3 in 100g of water at room temperature (20° to 25°C), a precipitate…

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Q: Use the observed potential for the Zn(s) | Zn²*(0.1 M)|| Cu²^(0.1 M) | Cu(s) cell as the E" in the…

A: For the given cell, Zn (s) | Zn2+ (aq) || Cu2+ (aq) | Cu (s)

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Q: Use the following chromatogram of standard amino acids: 24 16 19 21 12 15 6,6 9 10 23 13 14 17 18 10…

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Q: Charles' law (Pressure constant) 11)a) A sample of neon gas occupies a volume of 100.0mL at 20.00C.…

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Q: Calculate the pH of a carbonate buffer system that contains 0.0065 M HCO, and 0.0084 M CO,. The K,…

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Q: Which of the following CAN exist as cis-trans isomers? I. CH3CH2CH=CHCH3 II. ClCH=CHCl III.…

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Q: Solve the word problem and show your detailed solution. The final answer should have a unit and the…

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Q: The illustration to the left represents a mixture of nitrogen ( blue ) and oxygen ( red ) molecules.…

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Q: At a certain temperature, K. - 0.914 for the reaction NO2(3) + NO(3) = N2O(3) + O2lg) A mixture was…

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Q: Part A The radioactive isotope 133 Xe is used in pulmonary respiratory studies to image the blood…

A: I don't know how much detail you want for this, but the simplestequation to use iswhere τ1/2 is the…

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Q: A buffer consists of 0.12 M NaH2PO4 and 0.33 M Na2HPO4. Phosphoric acid is a triprotic acid…

A: Given as Ka1 = 7.2 × 10−3,  Ka2 = 6.3 × 10−8, Ka3 = 4.2 × 10−13 The most important Ka value…

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Q: Question 33 use the following standard chromatogram of caffeine: 80 1 mg/L 5 mg/L 10 mg/L 20 mg/L 30…

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Q: The equilibrium constant, Kp, for the following reaction is 0.497 at 500K. PCI5(9) PCI3(g) + Cl2(g)…

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Q: At what temperature or range of temperatures will a reaction be spontaneous if the value of H° =…

A: H° = +42.8 kJ = 42800 J S° = +331.5 J/K?

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Q: Which of the following statements is NOT true for the general properties of alkenes and alkynes? A…

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Q: Organic compounds that contain large proportions of nitrogen and oxygen tend to be unstable and are…

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