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Recent questions in Chemistry
It is best practice to use dry nitrogen to break the vacuum when dehydrating by the triple evacuation method. However, it: a) Accelerates the dehydration process b) Slows down the dehydration process c)
ElConrado
asked
Dec 22, 2024
by
ElConrado
7.6k
points
Chemistry
high-school
1
answer
4
votes
219k
views
Determine the oxidation number of the n in nano₃.
Tobias Fuchs
asked
Dec 22, 2024
by
Tobias Fuchs
7.8k
points
Chemistry
high-school
1
answer
5
votes
213k
views
Hydrolysis of a triacylglycerol __________. A. occurs in organic solutions with no water present. B. results in breaking of the ester bonds to form glycerol and three fatty acids. C. does not need anything
PotatoFarmer
asked
Dec 22, 2024
by
PotatoFarmer
8.0k
points
Chemistry
high-school
1
answer
3
votes
99.6k
views
Rachel has a beaker filled with 100 mL of water. The beaker and water together have a mass of 250 grams. What is the mass of the beaker alone? (Hint: 1 mL water-1 gram). a. 100 g b. 150 g c. 50 g d. 200
Joshua Bell
asked
Dec 22, 2024
by
Joshua Bell
8.7k
points
Chemistry
high-school
1
answer
1
vote
173k
views
As I was reading about nephelauxetic effects, which is the effect that atomic d-orbitals are bigger in a complex than in gaseous metal ions. The Racah interelectronic repulsion parameter gets smaller,
Erlend
asked
Dec 22, 2024
by
Erlend
7.8k
points
Chemistry
high-school
1
answer
5
votes
73.1k
views
Assume variable manufacturing OH is allocated using machine hours. Give 3 possible reasons for a favorable variable OH efficiency variance. A) Increased machine downtime B) Decreased machine hours used
Chuckg
asked
Dec 22, 2024
by
Chuckg
8.7k
points
Chemistry
high-school
1
answer
2
votes
17.0k
views
Which substance has ΔHf defined as 0 kJ/mol? A) H2O (s) B) Ne (g) C) F2 (g) D) CO2 (g)
Anurag Soni
asked
Dec 22, 2024
by
Anurag Soni
7.3k
points
Chemistry
high-school
1
answer
3
votes
10.6k
views
Which sample of gas has the greatest root mean square speed? a) Ne at 310 K b) Ne at 298 K c) Xe at 298 K d) Xe at 310 K
GeorgeWChubby
asked
Dec 22, 2024
by
GeorgeWChubby
7.5k
points
Chemistry
high-school
1
answer
4
votes
86.0k
views
One effect of carbon monoxide is to __________. a) Increase the affinity of hemoglobin for O₂. b) Decrease the affinity of hemoglobin for oxygen. c) Shift the hemoglobin-oxygen dissociation curve to the
Alex Sax
asked
Dec 22, 2024
by
Alex Sax
8.0k
points
Chemistry
high-school
1
answer
2
votes
24.2k
views
Imagine that a new polyatomic anion called "platoate" is invented. What would an acid of "platoate" be named
Michael Zaporozhets
asked
Dec 22, 2024
by
Michael Zaporozhets
7.8k
points
Chemistry
college
1
answer
0
votes
212k
views
Convert 846 pounds to kilograms (1 kg = 2.2 pounds)
Smern
asked
Dec 22, 2024
by
Smern
8.1k
points
Chemistry
high-school
1
answer
4
votes
225k
views
Used in *borosilicate glass, Boraxo soap, drill bits, and control rods in nuclear power plants.*
Dhinju Divakaran
asked
Dec 22, 2024
by
Dhinju Divakaran
7.9k
points
Chemistry
high-school
1
answer
4
votes
99.9k
views
If the atomic mass of an element is not the same as the mass number of one atom of the element, what conclusions can you draw about that element?
Wflynny
asked
Dec 22, 2024
by
Wflynny
7.8k
points
Chemistry
high-school
1
answer
0
votes
117k
views
A gas is contained in a cylinder with a volume of 2.5 L at a temperature of 31.4oC and a pressure of 700.4 torr. The gas is then compressed to a volume of 0.20 L, and the temperature is raised to 663.3oC.
Martineno
asked
Dec 22, 2024
by
Martineno
7.9k
points
Chemistry
high-school
1
answer
1
vote
146k
views
N3 - How many electrons were lost or gained to form each ion? Select the correct choice below: A. It gained 3 electrons. B. It lost 3 electrons. C. It gained 2 electrons. D. It lost 2 electrons.
Parchambeau
asked
Dec 22, 2024
by
Parchambeau
8.0k
points
Chemistry
high-school
1
answer
2
votes
172k
views
How are hybrid and electric cars related to air pollution
Siegmeyer
asked
Dec 22, 2024
by
Siegmeyer
8.1k
points
Chemistry
college
1
answer
0
votes
127k
views
Construct IPR of a vertical well in an undersaturated oil reservoir using the generalized Vogel equation. The following data are given: Porosity,ф = 0.2 Effective horizontal permeability, k = 80 md Pay
Wandang
asked
Dec 22, 2024
by
Wandang
8.7k
points
Chemistry
high-school
1
answer
5
votes
112k
views
Using the balanced molecular equation below, determine the grams of solid that would form if you started with 17.13 grams of CuSO4? 3CuSO4 + 2Li3PO4⟶3Li2SO4 + Cu3(PO4)2 Record your answer to 2 decimal
Harold Bamford
asked
Dec 22, 2024
by
Harold Bamford
8.6k
points
Chemistry
high-school
1
answer
4
votes
190k
views
In many industries, pickling baths are common. These are 10 cubic meter baths containing acid baths that metal components are dipped into prior to surface treatment. When the metals are dipped, some of
Abx
asked
Dec 22, 2024
by
Abx
8.6k
points
Chemistry
high-school
1
answer
5
votes
71.5k
views
Convert 8.102 km and round to the correct significant figures 1 mi = 1.609 km
Elenst
asked
Dec 22, 2024
by
Elenst
7.8k
points
Chemistry
high-school
1
answer
4
votes
19.9k
views
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