Answers by NielW
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Answers by NielW

Answers by NielW
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The air bags in cars are inflated when a collision triggers the explosive, highly exothermic decomposition of sodium azide (NaN3): 2NaN3(s) → 2Na(s) + 3N2(g) The passenger-side air bag in a typical car
answered Apr 21, 2021
6 votes
205k views
What information does the ingredients list give on a food label? calories and fats sodium and carbohydrates additives and preservatives fiber and proteins
answered Apr 12, 2021
3 votes
147k views
What are the differences between a congressperson acting like a trustee and a congressperson acting like a delegate?
answered Mar 21, 2021
2 votes
193k views
Which of the following was NOT a reason why the Spanish came to the Americas? 1) Spread Christianity 2) Bring glory of Spain 3) Find gold 4) Spread disease
answered Feb 28, 2021
2 votes
107k views
Match each outcome with a weakness of the Articles of Confederation.
answered Feb 13, 2021
3 votes
171k views
Write an equation of the circle with center (7,-9) and radius 6
answered Jan 10, 2021
4 votes
91.0k views
1. How did the United States gain control of what would become the Panama Canal Zone?
answered Dec 2, 2020
4 votes
176k views
The vertices of a triangle are A(7, 5), B(4, 2), and C(9, 2). What is m∠ABC?
answered Nov 23, 2020
4 votes
117k views
A student is taking a​ multiple-choice exam in which each question has two choices. Assuming that she has no knowledge of the correct answers to any of the​ questions, she has decided on a strategy in
answered Jul 30, 2020
3 votes
220k views
NEED ASAP PLEASE!!!!!!!!!!
answered Jun 13, 2020
4 votes
42.6k views
Natural selection only occurs with which type of variation? Environmental variation Genetic variation Artificial variation Neutral variation
answered May 19, 2020
4 votes
72.0k views
Jenny goes to the beach and uses sand to make a sand castle. Which of the following is/are true about the change in the shape of the sand? |. it is a physical change. ||. it makes a new substance. |||.
answered Apr 6, 2020
6 votes
117k views
What is Macduff’s reaction to the flight of Duncan’s sons?
answered Sep 18, 2019
3 votes
70.7k views
Eli stands on a skateboard at rest and throws a 0.5 kg rock at a velocity of 10.0m/s. Eli moves back at 0.05m/s. What is the combined mass of Eli and the skateboard
answered May 16, 2019
1 vote
154k views
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