Answers by Bramha Ghosh
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Answers by Bramha Ghosh

Answers by Bramha Ghosh
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When 0.703 g of sodium metal is added to an excess of hydrochloric acid, 7310 J of heat are produced. What is the enthalpy of the reaction as written? 2Na(s) + 2HCl(aq) ⟶ 2NaCl(aq) + H₂(g)
answered Dec 26, 2024
6 votes
118k views
Let N = 8, r = 3, and n = 4. Using the hypergeometric probability distribution, find P(X ≤ 1) =
answered Sep 10, 2024
3 votes
38.7k views
A manual shut-off valve shall be certified to CSA 3.11, CSA 3.16, or CSA 9.1, or approved for use with gas, and it shall not be subjected to either a temperature or a pressure outside of its certified
answered May 5, 2024
5 votes
161k views
For a centrifuge rotating at 2.69e+3 rpm (rpm = revolutions per minute) with a radius of 1.79 cm, what is the centripetal acceleration expressed in g-force
answered Feb 21, 2024
3 votes
183k views
GTPAL This term refers to the # of times a woman has been pregnant (w/o reference to outcome):
answered Feb 8, 2024
4 votes
84.2k views
What is the percentage composition of CF4? A) 13.6% C, 86.4% F B) 25% C, 75% F C) 75% C, 25% F D) 50% C, 50% F
answered Jan 24, 2024
4 votes
184k views
​A helicopter company offers tours of the city. They charge $100 dollars initially, and then $50 for each additional person. The graph below shows the charges for a tour (T) based on the number of people
answered Dec 10, 2023
6 votes
159k views
Which of these would most likely be considered intermittent? O a mountain with a clearly marked hiking trail O occasional lightning during a storm O headphones that never need charging O a traditional
answered Sep 20, 2023
4 votes
216k views
Which expressions are equivalent to 42-5? Choose all the correct answers. Show your work in arriving at your answers.
answered Sep 16, 2023
4 votes
11.4k views
Hello I'm confused on this question and need help thank you
answered Aug 23, 2023
3 votes
95.1k views
I need help with number 1
answered Nov 11, 2022
5 votes
46.4k views
I have to disassemble on factors x³+x,and 4y²-16y³​
answered Jul 27, 2022
3 votes
58.5k views
Do question 2 please and fill in the blanks
answered Jul 20, 2022
4 votes
66.2k views
The restaurant serves old fashioned hamburgers and fries. Which form of punctuation is missing? A. hyphen B. period C. semicolon D. a dash
answered Jul 19, 2022
3 votes
72.4k views
Need help with this please
answered Mar 3, 2022
3 votes
17.0k views
Another step in PCR requires small single-stranded DNA primers to anneal to a target sequence on denatured DNA. Two primers are used. Ideally these primers will have similar melting temperatures. The melting
answered Dec 2, 2021
4 votes
17.9k views
Sunland Company expects to have a cash balance of $62,450 on January 1, 2017. These are the relevant monthly budget data for the first two months of 2017. 1. Collections from customers: January $87,450,
answered Nov 30, 2021
7 votes
147k views
20) 12 8 A) 0 B) 4 D)
answered Jun 21, 2021
3 votes
154k views
Evaluate the expression for x = 2 and y = 4.
answered Jun 12, 2021
4 votes
62.7k views
Identify the method used to correct the ambiguous pronoun reference. If the revised sentence does not improve the pronoun reference, choose "No improvement was made." Original sentence: The clock on the
answered May 18, 2021
2 votes
205k views
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