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December 2025

42,840 public questions were asked this month.

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Recent questions

Latest from December 2025

1. A first-order reaction A → products is studied. If doubling [A] from 0.10 M to 0.20 M increases the observed rate constant k from 0.12 s⁻¹ to 0.12 s⁻¹ (unchanged), what does this imply about the reaction order with re...
Asked by prince 1 answer
Question Sam is comparing the half-life of two isotopes of uranium. The half-life of Uranium-238 is 4.5×109 years. The half-life of Uranium-233 is 1.6×105 years. He computed how much greater the half-life of Uranium-238...
Asked by jayc 1 answer
In government class, Nadia computed the amount of debt of the federal government after a third of it was paid in 1995. The calculator displayed the number 3.28E12. What is this number in scientific notation?(1 point) Res...
Asked by jayc 1 answer
In chemistry class, Carlos calculated the number of molecules in 100 moles. The calculator displayed the number 6.02E25. What is the number of molecules in 100 moles in scientific notation?(1 point) Responses 25×106.02 2...
Asked by jayc 1 answer
Question Jim’s music library on his phone holds 1,900 songs. The songs have an average time of 3.5 minutes. Use scientific notation to find the total number of seconds the playlist will play. Express the answer to the ex...
Asked by jayc 1 answer
Kendra finds the dimensions of a sticky note. She uses a meter stick to determine that the dimensions are 1.25×10−8 meters wide by 2.5×10−6 meters long. Use scientific notation to write the dimensions in millimeters. Not...
Asked by jayc 1 answer
a car traveling 90km/hr is brought to rest over 120m. what is the avereage lineir acceleration of the car in m/sZ
Asked by jordan 1 answer
An 8th-grade student is researching how social media influences the mental health of teens. They find the following 4 sources: Source #1: A peer-reviewed psychology journal article written by a mental health expert Sourc...
Asked by Sarah 1 answer
A student is writing a research paper for her 11th-grade American Literature class about the work of the famous poet, Emily Dickinson. She must use sources that are credible, trustworthy, reliable, and relevant. Which of...
Asked by Sarah 1 answer
The author states: “ Tech speak is simply an efficient and harmless way to communicate.” Which statement is the BEST rebuttal?(1 point) Responses “Before people began typing messages on tiny screens, there were rules for...
Asked by Sarah 1 answer
make it about owning exotic pets are illegal and use articles for it part1: My claim statement Reason 1 (shown in 2 sources) Reason 1 supporting my claim (topic sentence): Evidence for reason 1 (1-3 quotes from source 1)...
Asked by caseoh sigma sterling 1 answer
Make an inference...does pure water conduct electicity?
Asked by hi 1 answer
make it that it is about it should be legal to have exotic pets and i need the sources from official articles part1: My claim statement Reason 1 (shown in 2 sources) Reason 1 supporting my claim (topic sentence): Evidenc...
Asked by caseoh sigma sterling 1 answer
how do i keep people safe from germs all the time
Asked by peteo 1 answer
Read this section from paragraph 2 of The Trouble with Text Speak. Before people began typing messages on tiny screens, there were rules for formal written English that teens and adults alike tried to follow, whether the...
Asked by Sarah 1 answer
A car traveling at 18km/h increases its velocity uniformly to 48km/h in 6 seconds. what is the acceleration in m/sZ?
Asked by jordan 1 answer
make this about if it should be legal to have exotic pets part1: My claim statement Reason 1 (shown in 2 sources) Reason 1 supporting my claim (topic sentence): Evidence for reason 1 (1-3 quotes from source 1) Source1 1....
Asked by caseoh sigma sterling 1 answer
Groundwater is an underutilized source of freshwater. Please select the best answer from the choices provided True False
Asked by maribel 1 answer
Minerals are extracted from the Earth through various mining practices. Please select the best answer from the choices provided True False
Asked by maribel 1 answer
Carefully read the passage (HERE). Then, answer the practice question that follow. Which of the following best describes a main idea presented in the passage about Simone Biles? (1 point) Responses Biles has faced racial...
Asked by Sarah 1 answer
Sustainability can be achieved through careful resource management. Please select the best answer from the choices provided True False
Asked by maribel 1 answer
Carefully read the passage (HERE). Then, answer the practice question that follow. Which expository technique does the author use most proficiently to help readers understand the connection between the challenges Simone...
Asked by Sarah 1 answer
The ozone layer is located in the _______. a. troposphere b. stratosphere c. mesosphere d. thermosphere Please select the best answer from the choices provided A B C D
Asked by maribel 1 answer
PART B: Carefully read both passages (HERE). Then, answer the practice questions that follow. Which sentence best supports the answer to Part A? (1 point) Responses “They encourage children to sit in front of the TV or c...
Asked by Sarah 1 answer
When should a writer use a dash?(1 point) Responses to separate items in a list to separate items in a list to indicate an abrupt shift in idea to indicate an abrupt shift in idea to set off an introductory word or phras...
Asked by Sophea 1 answer