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Recent questions in Chemistry
As the elements of group 16 are considered in order from top to bottom, the atomic radius of each successive element increases. This increase is primarily due to an increase in a) Mercantilism b) Socialism
Darcey
asked
Oct 12, 2024
by
Darcey
7.9k
points
Chemistry
high-school
1
answer
0
votes
218k
views
"2 NaBr + BaCl_2 → 2 NaCl + BaBr_2 Why is this a double replacement?
Iran
asked
Oct 12, 2024
by
Iran
7.6k
points
Chemistry
high-school
1
answer
2
votes
120k
views
For chlorine atoms which ionization energy was showing an exceptionally large increase over the proceeding ionization energy
Tschale
asked
Oct 12, 2024
by
Tschale
8.6k
points
Chemistry
college
1
answer
2
votes
52.0k
views
11. which of the following changes whenwater evaporates?a) the physical properties of the water 'b) the chemical properties of the waterc) the color of the waterd) the mass of the water
Turtlemonvh
asked
Oct 12, 2024
by
Turtlemonvh
8.1k
points
Chemistry
high-school
1
answer
0
votes
182k
views
Chemistry help please
Roozbubu
asked
Oct 12, 2024
by
Roozbubu
8.3k
points
Chemistry
high-school
1
answer
3
votes
91.2k
views
List in order from strongest to weakest and things about them: A) Covalent, Dipole, Dispersion, Hydrogen B) Hydrogen, Dispersion, Dipole, Covalent C) Dipole, Covalent, Hydrogen, Dispersion D) Dispersion,
John Dyer
asked
Oct 12, 2024
by
John Dyer
8.2k
points
Chemistry
high-school
1
answer
5
votes
199k
views
PLEASE ANSWER 30 POINTS!!!!! How many grams of NH3 form when 22g H2 react completely? 3H2 + N2 ---> 2NH3 H2: 2 g/mol NH3: 17 g/mol 22g H2 ----> gNH3
Jeffy
asked
Oct 12, 2024
by
Jeffy
8.2k
points
Chemistry
high-school
1
answer
2
votes
208k
views
13. Why does DNA need to replicate? a. so we have many copies in each cell b. so we have a backup copy C. so the newly formed cells each have a copy d. so more copies are made after a mutation
Tarak
asked
Oct 12, 2024
by
Tarak
8.6k
points
Chemistry
college
1
answer
0
votes
47.7k
views
A hydrogen atom in an excited state emits a photon of frequency ν = 2.468 x 10¹⁵ s⁻¹. If the electron returns to the ground state, in which level was it before the photon was emitted?
Hamed Rezaee
asked
Oct 12, 2024
by
Hamed Rezaee
7.4k
points
Chemistry
high-school
1
answer
5
votes
177k
views
How does cobalts position in the periodic table relate to its properties?
Luiz Augusto
asked
Oct 12, 2024
by
Luiz Augusto
9.4k
points
Chemistry
high-school
1
answer
3
votes
77.4k
views
How many liters of gas would be formed at 500 ∘C and 1.00 atm pressure by explosion of 495 g of NH₄NO₃ ?
IVerzin
asked
Oct 12, 2024
by
IVerzin
8.2k
points
Chemistry
high-school
1
answer
3
votes
19.0k
views
How many moles of helium would occupy a volume of 1.255 L at a pressure of 1.47 atm at a temperature of 21℃?
Krikor Herlopian
asked
Oct 12, 2024
by
Krikor Herlopian
7.9k
points
Chemistry
high-school
1
answer
2
votes
89.8k
views
Hydrogen peroxide is distributed for cosmetology use under a variety of names. Name two. a) H2O2 and Peroxide b) Developer and Activator c) Oxygen and Hydrogen d) Hair Lightener and Color Mixer
Kmakarychev
asked
Oct 12, 2024
by
Kmakarychev
8.1k
points
Chemistry
high-school
1
answer
4
votes
67.4k
views
"Crystal of atom" is a)cubical b)rhombus c)octahedral d) combination of all
Asamarin
asked
Oct 12, 2024
by
Asamarin
8.0k
points
Chemistry
high-school
1
answer
1
vote
73.6k
views
Other than nuclear power there are products that we get from nuclear reactions that have some benefits to us in society
Purnima
asked
Oct 12, 2024
by
Purnima
7.0k
points
Chemistry
high-school
1
answer
3
votes
95.3k
views
Which best describes the conditions in the intertidal zone? A.few predators, low light, and temperature B. high water pressure and limitedsunlight C.brackish water and high amounts of nutrients D.an increase
Suman Astani
asked
Oct 12, 2024
by
Suman Astani
8.2k
points
Chemistry
high-school
2
answers
1
vote
71.8k
views
How many iodine atoms are in 2.45 mol of BaI2
Skiwi
asked
Oct 12, 2024
by
Skiwi
7.9k
points
Chemistry
college
1
answer
1
vote
180k
views
A 8.0 mL bubble of gas is released at the bottom of the ocean where the pressure is 685 kPa and the temperature is 12 C. Calculate the volume of the gas bubble when it reaches the surface of the water,
Laurieann
asked
Oct 12, 2024
by
Laurieann
8.1k
points
Chemistry
high-school
1
answer
5
votes
157k
views
How many moles of reagent are in a.) 25.00 mL of 0.10 M acetic acid b.) 5.55mL of 0.092 M NaOH c.) 0.50 mL of .087M HCl
Tommy Bjerregaard
asked
Oct 12, 2024
by
Tommy Bjerregaard
8.2k
points
Chemistry
college
1
answer
0
votes
232k
views
Which characteristics are shared by most metals? A) They conduct electricity very well. B) They are shiny. C) They don’t form alkaline solutions when mixed with water. D) Both A and B.""
DeejUK
asked
Oct 12, 2024
by
DeejUK
7.8k
points
Chemistry
high-school
1
answer
1
vote
233k
views
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