What is the pH of a solution of 0.100 M resorcinol (pKb 5.85) and 0.100 M NaOH?

Q: Write the formula of the conjugate base of CoHsSH.

A: Conjugate acid and conjugate base:

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Q: Full summary of the topic chemical equilibrium and common ion effect without calculations

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Q: Using atomic masses of 69.7 g/mol for gallium and 35.5 g/mol for chlorine, the percent chlorine by…

A: Given that, the molar mass of gallium (Ga) is 69.7 g/mol. The molar mass of chlorine (Cl) is 35.5…

Q: 5) 6) 7) CO+ Me E H₂SO4, HNO3 CO₂Me heat heat Me

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Q: A buffer solution is 0.372 M in NaHC204 and 0.323 M in Na2C₂O4. If K₂ for HC204 is 6.4E-5, what is…

A: [NaHC2O4] = 0.372 M [Na2C2O4] = 0.323 M Ka = 6.4 x 10-5

Q: What is the Brønsted-Lowry base in each of the following compounds? What is the Bronsted-Lowry base…

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Q: CH₂CH₂CH₂C=N

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Q: The number of electrons that a double covalent bond will share is ________________

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Q: Assuming one mole of compound, calculate the theoretical percentage composition of P₂O3. O P: 56.4%…

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Q: Activity 4.1. Identifying the geometry of compounds Directions: Complete the following table Formula…

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Q: Select the arrow drawing that best describes this step of an E1 reaction. H I-0: І H3C I нн i 1-0:…

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Q: 4 1. Which of the following are considered organic compounds? Circle all that apply. A. CO₂ F.…

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Q: How much energy is needed to change the temperature of 2.00 g of aluminum from 20.0°C to 25.0°C? The…

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Q: Q14- A 0.100 M solution of the weak acid HA has a pH of 2.36. Calculate pK, for HA. 2.36 C) 1.66 B)…

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A: Potassium permagnate is a strong oxidising agent.

Q: Half life iridium 192 is 106.51 days. How many days are required for 60 mg to decay to 7.5 mg

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Q: 15.0 L of an ideal gas at 298 K and 3.36 bar are heated to 350 K with a new pressure of 5.35 bar.…

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Q: Describe if the following reaction is spontaneous or non-spontaneous based on enthalpy entropy and…

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A: The forth procedure tells about the addition of a small piece of zinc into concentrated…

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Q: 4. a. One liquid has a temperature of 140°F and another liquid has a temperature of 60°C. Are the…

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Q: 5. What is the maximum number of electrons that can occupy the orbitals with principal qua mumber…

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Q: Atom/ion Hydrogen atom (H) Oxide ion (0²-) Hydrogen ion (H+) Nitrogen atom (N) Nitride ion (N³-)…

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Q: If you assume that there is 5% acetic acid in vinegar, how much vinegar should you weigh out so that…

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Q: What does the ? represent in the bombardment equation of nitrogen-14? 7N14 + ?- → 6C14 + 1H1 A)…

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Q: How many grams of Cl, are needed to form 79.3 g of AlCl₂? 2 Al(s) + 3 Cl₂(g) → 2 AICI, (s) Step 1:…

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Q: A food supplement in super market claims that in 2.5 g of that we will get 1.67% of vitamin C.…

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Q: 4. The IR and the 'H NMR spectra of an unknown with a molecular formula of C₁1H14O3 are shown below.…

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Q: necessary stereochemistry) using the given starting material. 'Br NH₂ NH b. C.

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Q: CH3CH₂CH₂COOH CHCI₂COOH CICH₂CH₂CH₂COOH 1 2 3 CH₂CHCH₂COOH CH₂CH₂COOH CH,CH,CHCOOH CI 5 Cl 6 Which…

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Q: Which of the following are true about the carbonyl group? Select the correct response(s): it does…

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Q: An aluminum sample of 50 g has a normal temperature of 20 °C. If it gets hotter to 150°C by…

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Q: The theoretical yield of Cl₂ that could be prepared by mixing 15.0g of manganese dioxide (MnO₂) with…

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Environmental Pollution

Environmental pollution occurs due to some unwanted alteration in the surroundings which results in unfavorable effects on all organisms of that surrounding.