Recent activity by Yanyan

Recent activity by Yanyan

it takes 145 seconds for 1.00 milliliter of n2(g) to effuse from a certain porous container. given that it takes 230 seconds for 1.00 milliliter of an unknown gas to effuse under the same temperature and

answered Nov 21, 2024

1 answer 92.3k views

Which greenhouse gas is produced only by humans? -methane -chlorofluorocarbons -nitrous oxide -carbon dioxide

asked Nov 21, 2024

1 answer 67.5k views

A student got 16 out of 20 questions correct on a test. What percent did the student get correct?

answered Sep 2, 2024

2 answers 12.2k views

Bookflix renewals have their own unique_____________________.

answered Jul 5, 2024

1 answer 24.1k views

The value of Keq for the reaction is 1.1 x 10^2. In this reaction, the equilibrium lies to the right and favors the reactants. What is the equilibrium direction if it favors the reactants and the Keq value

answered Jun 24, 2024

1 answer 71.4k views

Which if the following conditions is characterized by "flattening" of the hemidiaphragms and widening of the intercostal space? a. Emphysema b. Empyema c. Atelectasis d. Pneumonia

answered Jun 19, 2024

1 answer 75.9k views

What does the future of agriculture look like ?

answered Jun 19, 2024

1 answer 134k views

What is the *most effective protection* that physicians have *against* *malpractice lawsuits*?

answered May 28, 2024

1 answer 125k views

In nights and dragons the summary part how do you end by restating the central idea?

asked Feb 11, 2024

1 answer 163k views

Explain the most important factors that shape public perceptions of the President and job approval ratings. What can Presidents do and what should they not do regarding building and maintaining popular

asked Jan 24, 2024

1 answer 111k views

Convert 39.0 inches into centimeters. Express your answer as decimal rounded to two places.

answered Jan 1, 2024

2 answers 60.8k views

13. The mean score of Vasu in 3 tests is 46 marks. How many marks should he score in the fourth test so that the mean score of the 4 tests is 50 marks?

answered Aug 31, 2023

2 answers 106k views

#11 - The bag contains 4 red, 1 yellow, 2 blue, 6 purple, and 3 green marbles. Find theprobability of picking a purple marble.34.5%0 37.5%35.7%40%

answered Jun 25, 2023

1 answer 86.6k views

as Saturn revolves around the sun, it travels at a speed of approximately 6 miles per second. convert this speed to miles per minute. at this speed how many miles will Saturn travel in 3 minutes? do not

answered May 20, 2023

1 answer 32.1k views

Refer to The Tale of Despereaux for a complete version of this text. Think about what happens in the First Book. Which word best describes how Despereaux feels when he hears music for the first time? delighted

answered May 3, 2023

1 answer 38.7k views

Read the sentence. The preschool teacher was shocked that a four-year-old child drew such an exquisite picture of a sunset.

answered Apr 26, 2023

1 answer 86.5k views

Who was responsible for starting a school for the blind? a. Samuel Gridley Howe c. Henry Highland Garnet b. James Thomas d. Emma Williard

answered Feb 14, 2023

1 answer 186k views

Use the distributive property and the greatest common factor (GCF) to write an expression that is equivalent to 8 + 24x.

answered Jan 15, 2023

2 answers 501 views

Find the area of a regular polygon with 5 sides that has a perimeter of 50 inches and an apothem of 8 inches. Area = [?]in2

asked Dec 5, 2022

1 answer 94.8k views

Who sings in The ayer

asked Dec 2, 2022

2 answers 123k views

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