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The rate of a certain chemical reaction is directly proportional to the square of the concentration of chemical A present and inversely proportional to the concentration of chemical B present. If the concentration of chemical B is increased by 100 percent, which of the following is closest to the percent change in the concentration of chemical A required to keep the reaction rate unchanged?

The rate of a certain chemical reaction is directly proportional to the square of the concentration of chemical A present and inversely proportional to the concentration of chemical B present. If the concentration of chemical B is increased by 100 percent, which of the following is closest to the percent change in the concentration of […]

The rate of a certain chemical reaction is directly proportional to the square of the concentration of chemical A present and inversely proportional to the concentration of chemical B present. If the concentration of chemical B is increased by 100 percent, which of the following is closest to the percent change in the concentration of chemical A required to keep the reaction rate unchanged? Read the Full Article »

GMAT Reading Comprehension Challenge

Economist GMAT Reading Comprehension Challenge #30

Economist GMAT Reading Comprehension Challenge #30 Welcome to the Economist GMAT Reading Comprehension! First time? Here are suggestions for approaching the article. Economist Article Economist Article: “Wirecard’s scandal shows the benefits of short-sellers” Link: https://www.economist.com/leaders/2020/06/24/wirecards-scandal-shows-the-benefits-of-short-sellers Paragraph Summaries Germans consumed by tech envy of America… Wirecard is a German financial tech company, among one of the

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GMAT Reading Comprehension Challenge

Economist GMAT Reading Comprehension Challenge #27

Economist GMAT Reading Comprehension Challenge #27 Welcome back to the Economist Reading Comprehension Challenges! Just getting started? Here are some reading strategies on the EGRCC home page. Economist Article Economist Article: Walmart ekes out an edge in groceries during the pandemic Link: https://www.economist.com/business/2020/05/23/walmart-ekes-out-an-edge-in-groceries-during-the-pandemic Paragraph Summaries As COVID-19 began… Amazon’s pandemic-related expenses are eating away at

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GMAT Reading Comprehension Challenge

Economist GMAT Reading Comprehension Challenge #29

Economist GMAT Reading Comprehension Challenge #29 Welcome to the Economist GMAT Reading Comprehension Challenges! If this is your first article here are instructions for approaching the reading. Economist Article Economist Article: “The potential and the pitfalls of medical AI” Link: https://www.economist.com/technology-quarterly/2020/06/11/the-potential-and-the-pitfalls-of-medical-ai Paragraph Summaries The books strewn around… Introduction to Dr. Keane, a medical practitioner who

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GMAT Reading Comprehension Challenge

Economist GMAT Reading Comprehension Challenge #28

Economist GMAT Reading Comprehension Challenge #28 Welcome to the Economist Reading Comprehension Challenges! If you’re joining us for the first time here are instructions for approaching the reading. Economist Article Economist Article: When Theodore Roosevelt took on John Pierpont Morgan Link: https://www.economist.com/books-and-arts/2020/05/30/when-theodore-roosevelt-took-on-john-pierpont-morgan Paragraph Summaries Most authors might be content… Berfield’s book highlights the story of

Economist GMAT Reading Comprehension Challenge #28 Read the Full Article »