Question about Nuclear Reaction: Kinetic Constant
Subject Chemistry
Chemistry
Source Originais Teachy
Originais Teachy
Topic Nuclear Reaction: Kinetic Constant
Nuclear Reaction: Kinetic Constant
Difficulty Medium
Medium
(Originais Teachy 2023) - Question Medium of Chemistry
Scientists are studying a sample of a radioactive isotope to replenish energy and enhance the process used in nuclear power plants. They found that after 12 hours, only 50% of this sample was still present. a) Calculate the kinetic constant of radioactive decay of this isotope. b) Considering an initial quantity of 500 g of the sample, what will be the amount of remaining isotope after 36 hours? c) Determine the half-life of this sample.Answer sheet:
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Curabitur id consequat justo. Cras pellentesque urna ante, eget gravida quam pretium ut. Praesent aliquam nibh faucibus ligula placerat, eget pulvinar velit gravida. Nam sollicitudin pretium elit a feugiat. Vestibulum pharetra, sem quis tempor volutpat, magna diam tincidunt enim, in ullamcorper tellus nibh vitae turpis. In egestas convallis ultrices. Sed non sem ultricies, sollicitudin sem facilisis, commodo justo. Maecenas mattis sodales nunc, et auctor massa fermentum a. Maecenas eget nisl felis.
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Curabitur id consequat justo. Cras pellentesque urna ante, eget gravida quam pretium ut. Praesent aliquam nibh faucibus ligula placerat, eget pulvinar velit gravida. Nam sollicitudin pretium elit a feugiat. Vestibulum pharetra, sem quis tempor volutpat, magna diam tincidunt enim, in ullamcorper tellus nibh vitae turpis. In egestas convallis ultrices.
Answer sheet
You need to be a registered teacher to view the answer sheet
IARA TIP
Are you putting together a test or exercise list?
On Teachy’s platform, you can automatically generate these materials without spending hours searching for questions 😉
Those who viewed this question also liked...
Question
Question
Difficulty Medium
Source:
UNISC
Oxidation Number
Difficulty Medium
Question
Question
Difficulty Medium
Source:
Teachy
Consider a salt that undergoes hydrolysis in water, producing a weak acid and a weak base. How to determine if the final solution will be acidic or basic? How to calculate the final concentration or pH of the resulting solution? Give an example of a salt and calculate the pH of the resulting solution.
Salt Hydrolysis Equilibrium
Difficulty Medium
Question
Question
Difficulty Medium
Source:
Teachy
Consider that a group of students conducted an experiment in the Chemistry laboratory by mixing 10 grams of salt (sodium chloride) in a cup containing 200 mL of water. After the mixture reached homogeneity, we call this mixture a solution. Calculate the concentration in g/L of this solution and identify which of the alternatives below best describes the relationship between solute, solvent, and concentration in the solution?
Solutions: Introduction
Difficulty Medium
Question
Question
Difficulty Medium
Source:
Teachy
Organic halides are compounds that have a halogen atom (F, Cl, Br, or I) bonded to a carbon atom belonging to a carbon chain. Their nomenclature depends on the rules established for organic compounds and is important for their identification and study. a) Given the compound 1-chloro-2-methylpropane, identify the functional groups present and write its structural formula. b) From the structural formula, simplify the representation (line formula) of the compound. c) Write the IUPAC nomenclature for the compound with the structural formula CH3CH2CH2Br.
Organic Functions: Organic Halide Nomenclature
Difficulty Medium
Join a community of teachers directly on WhatsApp
Connect with other teachers, receive and share materials, tips, training, and much more!
We reinvent teachers' lives with artificial intelligence
Materials
2023 - All rights reserved