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Recent questions in Chemistry
Assume that you are collecting CO2 using the system that you will assemble in the lab. If the room temperature is 22.0oC and the barometric pressure is 761 torr, what is the partial pressure of CO2 in
Ajit Satarkar
asked
Dec 21, 2024
by
Ajit Satarkar
8.0k
points
Chemistry
college
1
answer
2
votes
51.4k
views
Flammable liquids that mix readily with water are: A. polar solvents. B. viscous liquids. C. fluorosurfactants. D. hydrocarbon fuels.
Konrad Reiche
asked
Dec 21, 2024
by
Konrad Reiche
8.3k
points
Chemistry
high-school
2
answers
0
votes
55.0k
views
Use the reaction to answer the question. CH4 + 202 – CO2 + 2H2O + H-C: 412 kJ/mol O=O: 496 kJ/mol C=O: 743 kJ/mol 0-H: 463 kJ/mol What is the total energy of the reaction?
AnkDasCo
asked
Dec 21, 2024
by
AnkDasCo
7.8k
points
Chemistry
high-school
1
answer
1
vote
51.2k
views
The temperature of 3.5 kg of ethanol is 42°C. If 80,000 J of energy as heat is added to the ethanol, what will be the final temperature? The specific heat of ethanol is 2440 J/kg°C.
Tomas Narros
asked
Dec 21, 2024
by
Tomas Narros
7.9k
points
Chemistry
high-school
1
answer
1
vote
11.3k
views
What is the molarity of a solution of KNO₃ ( molecular mass = 101 ) that contains 404 grams of KNO₃ in 2.00 liters of solution?
Fian
asked
Dec 21, 2024
by
Fian
7.2k
points
Chemistry
high-school
1
answer
2
votes
205k
views
How do you make a sanitizing solution of 100 ppm chlorine?
Lashae
asked
Dec 21, 2024
by
Lashae
7.4k
points
Chemistry
high-school
1
answer
3
votes
121k
views
Stereoisomers with two asymmetric centers are called ___ if one of the asymmetric centers has the same configuration in both stereoisomers and the other asymmetric center has the opposite configuration
Ludwig Schulze
asked
Dec 21, 2024
by
Ludwig Schulze
8.8k
points
Chemistry
high-school
1
answer
0
votes
74.9k
views
Cholesterol insertion into a crystalline gel membrane will A) Increase fluidity B) Decrease fluidity C) Maintain fluidity D) Have no effect
Keltar Helviett
asked
Dec 21, 2024
by
Keltar Helviett
8.0k
points
Chemistry
high-school
1
answer
1
vote
92.1k
views
What type of fault has the geologist found?
Meiko
asked
Dec 21, 2024
by
Meiko
7.6k
points
Chemistry
high-school
1
answer
2
votes
190k
views
Dispose of any material coming in contact with blood or body fluids in a ____.
Burak SARICA
asked
Dec 21, 2024
by
Burak SARICA
8.4k
points
Chemistry
high-school
1
answer
1
vote
226k
views
4.16 g of element W reacts with 1.92 g of oxygen to form metal oxide W. The empirical formula for this metal oxide is W203. What is the relative atomic mass of W? [Relative atomic mass : 0 = 16] A 27 B
Chrisber
asked
Dec 21, 2024
by
Chrisber
8.2k
points
Chemistry
college
1
answer
1
vote
17.0k
views
N moles of diatomic gas in a cylinder is at a temperature T. Heat is supplied to the cylinder such that the temperature remains constant, but n moles of the diatomic gas get converted into a monoatomic
Jeff Baker
asked
Dec 21, 2024
by
Jeff Baker
8.6k
points
Chemistry
high-school
1
answer
5
votes
157k
views
Which statement is true? A. Diffusion is the movement from areas of high concentration to areas of low concentration. Osmosis is a type of simple diffusion. B. Both osmosis and diffusion must occur through
MSD Paul
asked
Dec 21, 2024
by
MSD Paul
8.0k
points
Chemistry
college
1
answer
5
votes
214k
views
The dissociation constant, ka, for 0.10 m hydrofluoric acid, hf solution is 6.77 x 10-4. calculate the ph of the solution
Bohdan Petrenko
asked
Dec 21, 2024
by
Bohdan Petrenko
8.1k
points
Chemistry
high-school
1
answer
0
votes
78.9k
views
For the flask which produces the largest quantity of total product, how many moles of H₂O will be formed?
Gung Foo
asked
Dec 21, 2024
by
Gung Foo
8.1k
points
Chemistry
high-school
1
answer
0
votes
76.0k
views
If 20.0 g of NaOH is added to 0.750 L of 1.00 M Cd(NO3)2, how many grams of Cd(OH)2 will be formed in the following precipitation reaction? 2 NaOH(ag) + Cd(NO)2(ag) -> Cd(OH)2 (s) + 2 NaNOs(aq)
Todd Motto
asked
Dec 21, 2024
by
Todd Motto
7.7k
points
Chemistry
high-school
1
answer
1
vote
77.5k
views
Balance the following redox equation using the smallest integers possible and select the correct coefficient for the iron(II) hydroxide, Fe(OH)2. Fe(OH)2(s) + CrO42-(aq) → Fe2O3(s) + Cr(OH)4-(aq) + H2O(l)
Letmutx
asked
Dec 21, 2024
by
Letmutx
8.1k
points
Chemistry
high-school
2
answers
5
votes
78.8k
views
How do endothermic reactions impact the overall kinetic energy of the molecules
Kevin Burdett
asked
Dec 21, 2024
by
Kevin Burdett
8.2k
points
Chemistry
college
1
answer
5
votes
112k
views
What was the initial molarity of a sodium hydroxide solution if 45.0 mL of the solution was diluted such that the volume of the diluted sample is now 180 mL and the new concentration is 0.100 M NaOH? ___M
Lazy Ninja
asked
Dec 21, 2024
by
Lazy Ninja
8.2k
points
Chemistry
college
1
answer
1
vote
206k
views
What does the measured pH of a 1:1 buffer in a titration correspond to? a) The pH at which the indicator changes color (titration endpoint). b) The pKa of the acetic acid. c) The pH at equivalence in the
TResponse
asked
Dec 21, 2024
by
TResponse
8.4k
points
Chemistry
high-school
1
answer
1
vote
232k
views
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