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Recent questions in Chemistry
Consider the following reaction:2H2(g) + O2(g) ↔ 2H2O(l)What is the equilibrium constant expression for the reaction?Select one:a.Keq= [H2]2 [O2] / [H2O]2 b.Keq = [H2O]2 / [H2]2 [O2]c.Keq = [H2]2 [O2]d.
Elliot Lings
asked
Dec 27, 2023
by
Elliot Lings
4.3k
points
Chemistry
college
1
answer
4
votes
227k
views
Mass and energy are cycled around us all the time. What do you think your role is in the cycling of energy? Where do you get energy from and where does the energy go?
Divesh Salian
asked
Dec 27, 2023
by
Divesh Salian
4.2k
points
Chemistry
high-school
2
answers
11
votes
212k
views
Describe the characteristics that identify a sample of matter as being a substance.
JLONG
asked
Dec 27, 2023
by
JLONG
3.5k
points
Chemistry
high-school
1
answer
0
votes
171k
views
Metric preferred to write 5.8 * 10 to -3 g
Mannaroth
asked
Dec 27, 2023
by
Mannaroth
3.7k
points
Chemistry
college
1
answer
1
vote
215k
views
Help pleaseeeeeeeee just need 4 answers
Vivkv
asked
Dec 27, 2023
by
Vivkv
4.5k
points
Chemistry
college
1
answer
18
votes
48.2k
views
If you add 8 g of salicylic acid to 84 g of an ointment base, what is the final concentration (w/w) of the product? Round to the nearest hundredths (w/w).Question 3 options:Answer will be in % nothing
MojioMS
asked
Dec 27, 2023
by
MojioMS
3.4k
points
Chemistry
college
1
answer
2
votes
35.8k
views
What is the difference, on a molecular level, between a gas, liquid, and solid
TJ Asher
asked
Dec 27, 2023
by
TJ Asher
4.8k
points
Chemistry
high-school
1
answer
5
votes
187k
views
How do you think plants would grow in space? Which tropism(s) would be affected and why?
Joshua Hayworth
asked
Dec 27, 2023
by
Joshua Hayworth
4.2k
points
Chemistry
high-school
1
answer
15
votes
200k
views
Fill the chart below (23.46.haploid,diploid,gametes, body cells, reproduction, growth/healing”
Gnr
asked
Dec 27, 2023
by
Gnr
3.2k
points
Chemistry
high-school
1
answer
8
votes
28.7k
views
A gas that has a volume of 22.8 L, a temperature of 42 degrees Celsius (!!), and an unknown pressure has its volume increased to 37 L and its temperature decreased to 29 degrees Celsius (!!). If I measure
Vell
asked
Dec 27, 2023
by
Vell
4.0k
points
Chemistry
high-school
1
answer
5
votes
101k
views
I NEED HELP ASAP ANYONE PLEASE When an arrow (--->) is used in a chemical equation, on which side of the arrow are the reactants found? Select one: a. Above the arrow. b. Below the arrow. c. To the left
DZDomi
asked
Dec 27, 2023
by
DZDomi
3.8k
points
Chemistry
high-school
2
answers
1
vote
230k
views
Read the following paragraph from the section "Plasma.""
Zeusarm
asked
Dec 27, 2023
by
Zeusarm
4.0k
points
Chemistry
high-school
2
answers
1
vote
151k
views
An element has the masses and relative abundances shown below. What is its average atomic mass? (Round your answer to give two digits past the decimal) And please tell me how to find the answer.
Caffeine
asked
Dec 27, 2023
by
Caffeine
4.0k
points
Chemistry
high-school
1
answer
4
votes
44.4k
views
At sea level, there are approximately 2.6 × 1025 molecules m–3 of the atmosphere. There are 5.20 × 1021 molecules m–3 of one of the gases making up the atmosphere. What is the concentration of this gas
JavierFuentes
asked
Dec 27, 2023
by
JavierFuentes
3.6k
points
Chemistry
college
1
answer
1
vote
143k
views
What is the subatomic particles for oxygen
Yurko
asked
Dec 27, 2023
by
Yurko
3.8k
points
Chemistry
high-school
1
answer
5
votes
223k
views
4. A gas occupies 8.7L at a temperature of 29.0°c. What is thevolume at 133°C? (Charles Law)
Aqqqq
asked
Dec 27, 2023
by
Aqqqq
3.9k
points
Chemistry
college
1
answer
3
votes
129k
views
What is an example of an atomic number
Keilah
asked
Dec 27, 2023
by
Keilah
3.6k
points
Chemistry
high-school
2
answers
5
votes
136k
views
Hello I need help on the question 4 for chemistry. Also- this is a worksheet for practice! Thank you!
MuhKarma
asked
Dec 27, 2023
by
MuhKarma
4.3k
points
Chemistry
college
1
answer
4
votes
171k
views
X: glucose + oxygen ---- carbon dioxide + water Y: glucose ----- carbon dioxide + ethanol explain which one is made for bread making and why?
Ziki
asked
Dec 27, 2023
by
Ziki
3.8k
points
Chemistry
middle-school
2
answers
21
votes
82.3k
views
A pool is 58.0 m long and 38.0 m wide. How many mL of water are needed to fill the pool to an average depth of 5.30 ft? Enter your answer in scientific notation.
Sagar Jha
asked
Dec 27, 2023
by
Sagar Jha
4.5k
points
Chemistry
college
1
answer
1
vote
233k
views
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