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Recent questions in Chemistry
You have a cup of water and an alka-seltzer tablet. You want to dissolve the alka-seltzer tablet at a faster rate than normal. Think of a method of how you could speed up the reaction.
Joegtp
asked
Oct 1, 2024
by
Joegtp
7.7k
points
Chemistry
high-school
1
answer
5
votes
52.3k
views
Which element will have the same electron dot structure (Lewis Dot) as the example (A)? a) Potassium b) Oxygen c) Calcium d) Aluminum
Dorianne
asked
Oct 1, 2024
by
Dorianne
7.7k
points
Chemistry
high-school
1
answer
3
votes
177k
views
A chemist collects a sample of H2S (g) over water at a temperature of 250 C. The total pressure of the gas that has displaced a volume of 25 mL of water is 200.30 kPa. What is the pressure of the H2S gas
Ali Ahmadi
asked
Oct 1, 2024
by
Ali Ahmadi
8.3k
points
Chemistry
high-school
1
answer
0
votes
25.7k
views
Hepatic metabolism of: Halothane Enflurane Isoflurane Desflurane Sevoflurane
TylerDurden
asked
Oct 1, 2024
by
TylerDurden
7.8k
points
Chemistry
high-school
1
answer
0
votes
6.1k
views
The reaction ( 2A + B → C ) is of order 1 with respect to A and order 2 with respect to B. The rate constant is ( 5.1 × 10⁻⁵ ,M^-2.5 ) at a certain temperature. Calculate the reaction rate when the concentrations
Primit
asked
Oct 1, 2024
by
Primit
8.0k
points
Chemistry
high-school
1
answer
4
votes
129k
views
Why are samples of the alkali metal cesium usually stored in argon gas?
Samera
asked
Oct 1, 2024
by
Samera
8.0k
points
Chemistry
high-school
1
answer
1
vote
233k
views
If 40.5 g of KCl are dissolved 250.0 g of water at 25.0 °C in an insulated container, a temperature change is observed. The AH of solution of KCI is 17.2 kJ/mol. Assuming that the specific heat of the
Orustammanapov
asked
Oct 1, 2024
by
Orustammanapov
8.2k
points
Chemistry
college
1
answer
1
vote
27.5k
views
8g of Al reacted with 10g of HBr calculate the amount in grams of excess reagent left at the end of the reaction
Deepak
asked
Oct 1, 2024
by
Deepak
8.5k
points
Chemistry
high-school
1
answer
4
votes
85.8k
views
Do avalanchers play a large part in shaping the Earth's surface?
Roshan Upreti
asked
Oct 1, 2024
by
Roshan Upreti
7.5k
points
Chemistry
high-school
2
answers
4
votes
140k
views
What is the name for the speed of sound traveling through air? A. echolocation B. elasticity C. mach 1 D. supersonic
Avis
asked
Oct 1, 2024
by
Avis
7.8k
points
Chemistry
high-school
1
answer
2
votes
207k
views
Why would someone switch to artificial sweeteners? A) To reduce calorie intake B) To increase sugar consumption C) To improve dental health D) To enhance flavor in cooking
Juraj Petrik
asked
Oct 1, 2024
by
Juraj Petrik
7.9k
points
Chemistry
high-school
1
answer
0
votes
153k
views
Species oxidation state of highlighted atom Cu (aq) CuCl(s) Hz(g) FeSO4(s)
MikeVaughan
asked
Oct 1, 2024
by
MikeVaughan
9.1k
points
Chemistry
high-school
1
answer
0
votes
222k
views
For cadmium, the molar enthalpy of fusion is 55 J/g and the molar entropy of fusion is 10.42 J/molK. The molar enthalpy of vaporization is 889 J/g and the molar entropy of vaporization is 96.1 J/molK.
Hebert
asked
Oct 1, 2024
by
Hebert
8.2k
points
Chemistry
high-school
1
answer
0
votes
31.2k
views
In a certain chemical, theratio of zinc to copper is 3 to 14. Ajar of the chemical contains 616 grams of copper. How many grams of zinc does it contain?
Oliver M Grech
asked
Oct 1, 2024
by
Oliver M Grech
8.5k
points
Chemistry
high-school
1
answer
2
votes
118k
views
Write about glyceryl monothioglycolate (GMTG)
LPCRoy
asked
Oct 1, 2024
by
LPCRoy
7.7k
points
Chemistry
high-school
1
answer
1
vote
233k
views
There are four naturally occurring lead isotopes: lead-204 (1.4%), lead-205 (24.1%), lead-206 (22.1%) and lead-208 (52.4)%. Using this information, calculate the average atomic mass of lead.
Ozgen
asked
Oct 1, 2024
by
Ozgen
8.3k
points
Chemistry
high-school
1
answer
3
votes
89.3k
views
How many grams of CaCl₂ are needed to make 535 mL of 4.55 M CaCl₂= a.13.0 g b.505 g c.21.9 g d.944 8 e.270 g
Catiana
asked
Oct 1, 2024
by
Catiana
7.7k
points
Chemistry
high-school
1
answer
3
votes
177k
views
What is covalent bond
HDallakyan
asked
Oct 1, 2024
by
HDallakyan
7.4k
points
Chemistry
high-school
1
answer
1
vote
14.8k
views
Calculate the mass of chlorine in 35g of CCl4
Jonathan Holland
asked
Oct 1, 2024
by
Jonathan Holland
7.9k
points
Chemistry
college
1
answer
1
vote
150k
views
there can be many reasons for the failure of a lubrication system. which of the following reasons may not be a reason for the failure of a lubrication system? a. overheating of oil b. oxidation of oil
DCToDaylight
asked
Oct 1, 2024
by
DCToDaylight
8.4k
points
Chemistry
high-school
1
answer
5
votes
188k
views
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