MEASUREMENT OF HEAT T01/SO8 Calculate the mass (g) of a sample of aluminum that lost -428.0 J of heat energy when it has a temperature change of -19.0 °c. Specific Heat J/(g °C) 0.901 AI Molar Heat J/(mol °C) Al 24.3 the tolerance is +/-2%

Q: Complete the reaction between a Brønsted-Lowry acid and base. Phases are optional. HCl+ NH3 |(NH,)*…

A: Please find below the reaction taking place  HCl (g) + NH3 (g) ----> NH4Cl (s) since NH4Cl is a…

Q: 요.. CHJOH H* H* 마음 hemiacetal hemiacetal hemiacetal (excess) TSOH CH, OH HP CH₂OH (excess) H2SO4…

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A: The mole fraction of C2H4O2 is calculated as,

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Q: Calculate the hydronium ion, H,o*, and hydroxide ion, OH¯, concentrations for a 0.0230 M NaOH…

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Q: 4) A 810-g quantity of ethanol, in the liquid state at its melting point of -114°C, is frozen at…

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A: Since acid is formed by adding H+ on base and base is formed by removing H+ from the acid And in the…

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A: Calculation for moles of Ne: Calculation for moles of Kr: Calculation for moles of Ar:

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Q: 7. Which of the following solutes would create the most change in the boiling point and freezing…

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Q: An aqueous solution at 25 °C is 12.9% HNO, by mass and has a density of 1.049 g/mL. What is the pH…

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Q: An aqueous solution at 25 °C is 8.29% LİOH by mass and has a density of 1.092 g/mL. What is the pH?

A: Assuming we have 100 g of solution  hence mass of LiOH = mass % X mass of solution / 100 = 8.29 X…

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A: Hii there, since there are multiple questions posted. We are answering first question. If you need…

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A: Charles’ law: At constant pressure, the volume of a gas varies directly with its Kelvin temperature.

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A: Balanced chemical reaction is given by,

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A: pH is the potential of the hydrogen or the power of the hydrogen. It basically explains how acidic…

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A: Convert the concentration of Ba(OH)2 from mg/L to mol/L or M,…

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A: Since, the enthalpy of reaction = Total enthalpy of formation of products - total enthalpy of…

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A: The Bronsted-lowry acid, Bronsted-lowry base and neither an acid nor a base among the following…

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A: Given: The number of moles of COF2 = 1.72 mol

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Q: Which of the following is NOT a balanced nuclear equati 238 О а. 92U → 42a + 234 90 Th 20 + O b.…

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Q: For the diprotic weak acid H2A, Ka1 = 2.4 × 10-6 and K,2 = 6.4 × 10-9. What is the pH of a 0.0500 M…

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A: Given data, 1 mole propane burned to obtained 350kJ of heat

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Q: 7. Why does addition product B predominate at the higher temperature (100°C)?

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A: The given illustration is the procedures for the preparation of borax solution.

Q: HCIO is a weak acid (K. = 4.0 x 10-8) and so the salt NaCIO acts as a weak base. What is the pH of a…

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Q: Select all of the following that would be involved in transcription. Select any component that is…

A: Transcription is the first step in which a DNA is copied into mRNA by the enzyme RNA polymerase.…

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A: Given: Temperature = 298 K Balanced chemical reaction is given by,

Photochemistry

Photochemistry is the part of chemistry that studies the various mechanisms of reactions that are triggered by the presence of light energy. It also helps to study the changes involved in a molecule that can undergo the absorption of radiation.