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When one mole of hydrogen, H2, is formed, 131 kJ of energy is absorbed. Calculate the amount of energy absorbed when 240 dm3 of hydrogen, measured at room temperature and pressure, is formed
asked
Dec 1, 2023
Chemistry
high-school
1
answer
21
votes
111k
views
What language did the u. S. Use to encode messages during world war ii?.
asked
Nov 26, 2023
History
high-school
1
answer
8
votes
18.2k
views
Which of Earth's spheres does the biosphere interact with? A. hydrosphere B. geosphere C. all of the above
asked
Nov 24, 2023
Biology
high-school
1
answer
3
votes
79.4k
views
In the United States, 1 nautical mile is officially 6076.10 feet. How much longer is a nautical mile than a statute mile?
asked
Sep 1, 2023
Mathematics
college
1
answer
0
votes
111k
views
Can someone help me with these three questions that are shown
asked
Mar 28, 2023
Health
middle-school
2
answers
20
votes
137k
views
What is the wavelength a wave if it has a frequency of 7,143 Hz and a velocity of 1,151 m/s?
asked
Mar 25, 2023
Physics
high-school
1
answer
22
votes
114k
views
The introduction of fingerlings into the pond is called A stocking B clearing C inoculation D fertilisation
asked
Feb 4, 2023
Biology
high-school
1
answer
4
votes
24.5k
views
From 1 to 6 What's the name of the seas?
asked
Dec 16, 2022
Geography
high-school
2
answers
5
votes
231k
views
Scale factors Pls help bro
asked
Nov 13, 2022
Mathematics
high-school
1
answer
3
votes
4.9k
views
What technology allowed scientists to collect new data on layers of the earth
asked
Oct 21, 2022
Chemistry
college
1
answer
9
votes
119k
views
What technology allowed scientists to collect new data on layers of the earth
asked
Oct 21, 2022
Chemistry
college
1
answer
9
votes
119k
views
What technology allowed scientists to collect new data on layers of the earth
asked
Oct 21, 2022
Chemistry
college
1
answer
9
votes
119k
views
Pls!! Help!! Darwin’s Theory of Evolution Section 1 & 2 There are two requirements for an idea to become a theory. What are the two requirements for an idea to be a theory?
asked
Aug 27, 2022
Biology
high-school
1
answer
4
votes
160k
views
Which two quotes from the text best support the answer to part a // the backyard then commonlit
asked
Aug 25, 2022
English
high-school
1
answer
4
votes
213k
views
Need help ASAP with all 3
asked
Mar 4, 2022
Spanish
high-school
2
answers
20
votes
151k
views
An amount of 700 was invested at 7 percent for 7 months. What is the interest
asked
Mar 3, 2022
Mathematics
college
2
answers
5
votes
199k
views
Please hurry! What a loan is, what interest is, and how the annual percentage rate (APR) measures the true cost of a loan.
asked
Nov 12, 2021
Business
high-school
1
answer
0
votes
125k
views
How did most slaves travel when they escaped? How did they find their way?
asked
Nov 6, 2021
History
middle-school
2
answers
1
vote
31.1k
views
Describe the relationship among producer, herbivore and carnivore.
asked
May 23, 2021
Biology
high-school
1
answer
0
votes
85.1k
views
A large cyclotron directs a beam of He++ nuclei onto a target with a beam current of 0.250 mA. (a) How many He++ nuclei per second is this? (b) How long does it take for 1.00 C to strike the target? (c)
asked
May 2, 2021
Chemistry
college
1
answer
1
vote
18.3k
views
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