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3 Consider the reaction : Na + 3 H₂ ____2NH₂ suppose that at a particular moment during the reaction, molecular hydrogen is reacting at the rate of 0,074 m/s a) At what rate is ammonia being formed? b)
answered
May 28, 2020
Chemistry
middle-school
3
votes
184k
views
HELP PLEASE !!!!!!!!!!!!!!!!!!!!!!!!!!!!! The country of Japan consists of _____. a few islands that were formed millions of years ago by volcanic activity three large islands that lie off the coast of
answered
Mar 18, 2020
History
high-school
1
vote
156k
views
2+2 I need help with this problem
answered
Dec 23, 2019
Mathematics
middle-school
6
votes
19.4k
views
Escoge la mejor expresión para completar este diálogo corto. Select the best answer to complete this short dialogue. —Buenas noches. ¿Qué tal? —Muy bien, gracias. ¿Y tú? —Estoy bien, gracias. —________.
answered
Nov 2, 2019
Spanish
middle-school
6
votes
65.5k
views
Which was the capital city of the Yuan dynasty? Please select the best answer from the choices provided. Dadu Zhu Yuanzhang Xuanzong Zheng He
answered
Sep 8, 2019
Social Studies
middle-school
4
votes
163k
views
Why did Nixon use the term “silent majority?”
answered
Aug 27, 2019
History
college
7
votes
160k
views
How can you solve problems involving equivalent expressions?
answered
Aug 16, 2019
Mathematics
middle-school
3
votes
105k
views
How does Colin resolve the conflict he faces in the novel? A. He stops thinking about his future and only pays attention to the task in front of him. B. He believes he is going to grow up and tries to
answered
Aug 28, 2018
English
middle-school
3
votes
33.1k
views
These countries occupy the horn of africa
answered
Aug 17, 2018
Geography
high-school
4
votes
3.3k
views
Where does this quote come from? Let [each person] step to the music he hears. Leaves of Grass Walden The Scarlet Letter
answered
Jun 5, 2018
English
middle-school
4
votes
58.6k
views
Solve by the linear combination method. 8x + 2y = 4 –4x + 3y = –10
answered
May 4, 2018
Mathematics
high-school
4
votes
185k
views
Which of the following human activities does NOT release carbon dioxide into the atmosphere? Question 2 options: Burning fossil fuels Fishing Deforestation Driving
answered
Apr 4, 2018
Biology
high-school
1
vote
76.1k
views
By what name are input devices, output devices, and auxiliary storage devices collectively known
answered
Mar 12, 2018
Computers and Technology
high-school
7
votes
85.2k
views
If sin (thetA) = 0.3, find sin (theta+pi)
answered
Dec 19, 2017
Mathematics
high-school
1
vote
90.1k
views
Which line from "The Colomber" by Dino Buzzati contributes to the setting? A. ‘Stefano, what are you doing there, standing so still?’” B. “It was a splendid sunny day, and the sea was calm.” C. “From then
answered
Nov 28, 2017
English
high-school
4
votes
130k
views
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