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2. Determine the heat of reaction (AH,xn) for the process by which hydrazine (N2H4) is formed from its elements: N2 (g) + 2 H2 (g) → N2H4 (g) by using the following thermochemical data: N H. (g) + O2 (g)
answered
Aug 15, 2021
Chemistry
college
3
votes
18.9k
views
Mount Olympus can be found in: Sicily Italy O Greece Spain
answered
Jul 23, 2021
Social Studies
college
3
votes
59.3k
views
A publisher reports that 31% of their readers own a particular make of car. A marketing executive wants to test the claim that the percentage is actually different from the reported percentage. A random
answered
Jun 10, 2021
Mathematics
college
3
votes
101k
views
I need help with these 2 questions Question: By completing the square, solve for x in the following equations: a) x {}^(2) - 6x + 4 + = 0 b) 4x {}^(2) + 16x + 9 = 0
answered
Jun 2, 2021
Mathematics
middle-school
3
votes
142k
views
What is the answer? Please
answered
Apr 17, 2021
Chemistry
college
5
votes
148k
views
Complex projects are often subdivided into a series of tasks that are typically configured to be not longer than several months in duration.
answered
Mar 29, 2021
Business
high-school
5
votes
183k
views
Dr. Zhang notices that his client, Lucian, becomes very defensive when asked to elaborate on his financial difficulties. Dr. Zhang infers that Lucian has likely been defensive with his parents and supervisors
answered
Mar 7, 2021
Social Studies
high-school
6
votes
89.0k
views
The graph shows the relationship between obesity rates and median income in certain states. A graph titled Obesity Rates and Median Income of Selected notes shows notes on the horizontal axis, numbers
answered
Jan 14, 2021
Health
high-school
7
votes
82.3k
views
What are four simple steps to using AED?
answered
Sep 16, 2020
Health
middle-school
7
votes
226k
views
What is thé properly balanced formula equation for the following word equation? Magnesium metal + hydrochloric acid (HCl) —> magnesium chloride + hydrogen gas A. Mg2 + 2HCL —> 2MgCl + H2 B. Mg + HCl —>
answered
Sep 8, 2020
Chemistry
middle-school
6
votes
76.0k
views
A rocket carrying a satellite is accelerating straight up from the earth's surface. At 1.15 s after liftoff, the rocket clears the top of its launch platform, 70 m above the ground. After an additional
answered
Feb 16, 2020
Physics
college
5
votes
143k
views
Will you please explain me the story of the battle of adwa its urgent
answered
Jan 29, 2020
History
middle-school
6
votes
158k
views
What is the primary outgoing radiation put off by the earth? A. ultra-violet (UV) B. visible light C. infrared (IR) D. all of the above Please help ASAP!!! :(
answered
Jan 21, 2020
Physics
college
5
votes
193k
views
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