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What mass of natural gas (CH₄) must burn to emit 267 kJ of heat? CH₄(g) + 2 O₂(g) → CO₂(g) + 2 H2_O(g) ∆H°rxn = -802.3 kJ a) 10.6 g b) 15.9 g c) 21.2 g d) 25.5 g
asked
Sep 18, 2024
Chemistry
high-school
1
answer
1
vote
157k
views
The nurse enters a patient's room and finds them lying on the floor. They report that they fell trying to get out of bed. The RN contacts the Charge nurse, who then contacts the nursing supervisor and
asked
Sep 16, 2024
Medicine
college
1
answer
3
votes
75.1k
views
What ions found in a portion of each cadherin are required for rigid confirmation in cell adhesion?
asked
Aug 3, 2024
Biology
high-school
1
answer
1
vote
202k
views
What features should Tamir tell Janet to look for when choosing her new checking account? a) Interest rates and investment options b) Mobile banking and customer service c) Account fees and credit card
asked
Apr 2, 2024
Business
high-school
1
answer
1
vote
131k
views
Which of the following best describes the chemical energy of C2H6 in comparison to C2H4 and H2 in the given reaction? A. C₂H₆ has more chemical energy than C₂H₄ and H₂. B. C₂H₆ has less chemical energy
asked
Mar 10, 2024
Chemistry
high-school
1
answer
5
votes
227k
views
Some people worry that the increasing number of cell phones will cause cancer because of the energy of the radio waves they emit. Cell phones are a new technology that only recently became widely used.
asked
Jun 8, 2023
Chemistry
middle-school
2
answers
19
votes
138k
views
Can you walk me through this im trying to build my confidence here.
asked
Apr 6, 2023
Mathematics
college
1
answer
2
votes
210k
views
If K is the midpoint of JL, JK = 8x +11 and KL = 14x - 1, find JL
asked
Mar 9, 2023
Mathematics
high-school
1
answer
0
votes
52.3k
views
Who came up with 6.022x10^23?
asked
Feb 14, 2023
Chemistry
college
1
answer
0
votes
184k
views
Who led a communist revolution on the island nation of Cuba?
asked
Feb 8, 2023
History
high-school
1
answer
16
votes
23.0k
views
A rectangular living room has a perimeter of 22 meters and an area of 30 square meters. What are the dimensions of the living room
asked
Feb 5, 2023
Mathematics
high-school
1
answer
8
votes
193k
views
16. Advantages of the transdermal delivery system include: a. Consistency and ease of application b. Speed and difficulty in administration C. Cost and lack of availability d. Short-term effectiveness
asked
Dec 28, 2022
Health
high-school
1
answer
3
votes
46.1k
views
Given the numbers 36, 42 and 48, find the greatest common factor of the three numbers.
asked
Oct 22, 2022
Mathematics
high-school
2
answers
5
votes
219k
views
Which branch of govt has to do with the senate
asked
Sep 21, 2022
History
high-school
2
answers
5
votes
186k
views
Determine the reactor volume (assume a CSTR activated sludge aerobic reactor at steady state) required to treat 5 MGD of domestic wastewater from an influent BOD concentration of 250 mg/L to an effluent
asked
Jun 2, 2022
Engineering
college
1
answer
3
votes
73.2k
views
Restrictions in VA: a. You have a curfew restriction between the hours of _________________ and __________________ with the following exceptions: ● Traveling to and from ___________________ or a __________________________;
asked
May 19, 2022
Law
high-school
1
answer
7
votes
198k
views
What is the probability of drawing a king or a diamond from standard deck 52 cards Hep please guys due in 15 min
asked
Mar 18, 2022
Mathematics
high-school
1
answer
21
votes
142k
views
Which of these indicate the start of the rising action of the excerpt?
asked
Sep 8, 2021
English
college
2
answers
4
votes
20.4k
views
The common causes of spinal cord injuries include: A. Falls & Sports B. Wathing TV C. Fishing D. All of the above
asked
Jul 5, 2021
Health
middle-school
2
answers
5
votes
208k
views
How many grams of oxygen are produced when 7.65 moles of water is decomposed
asked
Jun 5, 2021
Chemistry
high-school
1
answer
2
votes
234k
views
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