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Home Question Bank Chemistry Archive 2024 November 06

Chemistry Questions from Nov 06,2024

Browse the Chemistry Q&A Archive for Nov 06,2024, featuring a collection of homework questions and answers from this day. Find detailed solutions to enhance your understanding.

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P36.2 Considere la descomposición de primer orden del ciclobutano a a volumen constante: a. Exprese la velocidad de reacción en términos del cambio de presión total en función del tiempo. b. La constante de velocidad de la reacción es . ¿Cuál es la vida media? c. Después de la iniciación de la reacción, cuánto tardará la presión inicial de en caer al de su valor inicial? 2. STEM The mass of an atom of helium is about 4.002 atomic units. The mass of an atom of beryllium is about 2.25 times the mass of an atom of helium. What is the approximate mass of a beryllium atom? 3. Salin dan setarakan persamaan ion berikut dengan cara setengah reaksi dan cara perubahan bilangan oksidasi dalam suasana basa! A. List these electron subshells in order of increasing energy. (a) The amount of radioactive lead remaining after 3 yr will be 454 g . (Round to the nearest integer as needed.) (b) The amount of radioactive lead remaining after 8 yr will be 387 g . (Round to the nearest integer as needed.) (c) The amount of radioactive lead remaining after 15 yr will be 309 g . (Round to the nearest integer as needed.) (d) The half-life is about (Round to two decimal places as needed.) 3a Questão (0,9 ponto) - Dê a estrutura dos compostos abaixo: efH of a fruit juice is 3.8 . Find the hydronium ion concentration, , of the juice. Use the formula he hydronium ion concentration is approximately moles per liter. Use scientific notation. Use the multiplication symbol in the math palette as needed. Round to the nearest The pH of a fruit juice is 3.1 . Find the hydronium ion concentration, , of the juice. Use the forr The hydronium ion concentration is approximately moles per liter. (Use scientific notation. Use the multiplication symbol in the math palette as needed. Round to the neal Question he pH of a fruit juice is 3.1 . Find the hydronium ion concentration, , of the juice. Use the formula , The hydronium ion concentration is approximately moles per liter. (Use scientific notation. Use the multiplication symbol in the math palette as needed. Round to the nearest tenth as neec a fruit juice is 2.6 . Find the hydronium ion concentration, , of the juice. Use the formula onium ion concentration is approximately moles per liter. entific notation. Use the multiplication symbol in the math palette as needed. Round to the nearest tenth as need
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