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Recent questions in Chemistry
22m converted into km
Mualig
asked
Dec 17, 2024
by
Mualig
8.3k
points
Chemistry
high-school
1
answer
2
votes
159k
views
Assuming that no equilibria other than dissolution are involved, calculate the concentration of all solute species in each of the following solutions of salts in contact with a solution containing a common
Vinayak Bevinakatti
asked
Dec 17, 2024
by
Vinayak Bevinakatti
8.2k
points
Chemistry
high-school
1
answer
3
votes
3.4k
views
if 30.0 ml of 0.50 m koh is needed to neutralize 10.0 ml of unknown hcl, what is the molarity of the hcl?
Psoares
asked
Dec 17, 2024
by
Psoares
8.3k
points
Chemistry
high-school
1
answer
1
vote
27.7k
views
Arrange p, s, and o in order of increasing atomic radius. 1) p < s < o 2) s < o < p 3) o < p < s 4) o < s < p 5) The answer cannot be determined from the data given.
Pba
asked
Dec 17, 2024
by
Pba
8.6k
points
Chemistry
high-school
1
answer
5
votes
19.3k
views
Gasoline is considered a hazardous substance. One gallon of gasoline possesses the same explosive energy as: A. Ten sticks of dynamite. B. Five sticks of dynamite. C. Twenty sticks of dynamite.
Honyovk
asked
Dec 17, 2024
by
Honyovk
8.1k
points
Chemistry
high-school
1
answer
3
votes
210k
views
The formula, F = 1.8C + 32, can be used to convert temperatures from degrees Celsius (C) to degrees Fahrenheit (F). What Fahrenheit temperature is equivalent to -35 degrees Celsius?
Ziki
asked
Dec 17, 2024
by
Ziki
7.6k
points
Chemistry
high-school
1
answer
5
votes
216k
views
Molecules can be polar because of the unsymmetrical distribution of electrons. The dipole moment, μ, is a measure of the net polarity and is defined as the charge 1.87×10−20 C , in coulombs, times the
Gong Pengjun
asked
Dec 17, 2024
by
Gong Pengjun
7.7k
points
Chemistry
high-school
1
answer
2
votes
169k
views
The following alkane molecules all have the molecular formula of C5H12- Their structures and boiling points are shown below. A B C H3C isomer of C,H12 H₂ H₂ C. H3C H₂ CH3 T CH H3C C H₂ CH3 CH3 CH3 boiling
PermGenError
asked
Dec 17, 2024
by
PermGenError
7.6k
points
Chemistry
college
2
answers
0
votes
82.8k
views
How many molecules of carbon dioxide are in 113 grams of carbon dioxide (CO2)? Select one: a. 1.88 x 10^-22 molecules b. 6.80 x 10^25 molecules c. 2.57 molecules d. 1.55 x 10^24 molecules
Jeremy Kendall
asked
Dec 17, 2024
by
Jeremy Kendall
8.1k
points
Chemistry
high-school
1
answer
0
votes
217k
views
Match the balanced nuclear equation with the type correct type of radioactive decay 1. ¹¹₆c → ⁹₅B⁰₁e 2. ¹³¹₅₃/→ ¹³¹₅₄ Xe+⁰₋₁e 3. ²¹⁴₈₄Po → ⁴₂∝ + ²¹⁰₈₂Hg 4. ⁹⁹ᵐ₄₃Tc → ⁹⁹₄₃Tc +⁰₀Y A. beta decay B. alpha
Benez
asked
Dec 17, 2024
by
Benez
8.3k
points
Chemistry
high-school
1
answer
5
votes
113k
views
In what form can humans detect infrared waves? A. Humans cannot detect infrared waves. B. sound C. heat D. light
Have A Nice Day
asked
Dec 17, 2024
by
Have A Nice Day
9.0k
points
Chemistry
college
2
answers
2
votes
127k
views
What partial pressure of C2H4 gas (in mm Hg) is required to maintain a solubility of 4.92×10^-2 g/L in water at 25 °C kH for C2H4 at 25 °C is 4.78×10^-3 mol/L·atm.
Marian Spanik
asked
Dec 17, 2024
by
Marian Spanik
8.9k
points
Chemistry
high-school
1
answer
1
vote
114k
views
The answer is(a)700 (b) 1.0 (c)0.34gI2/L WHY …
Pixelboy
asked
Dec 17, 2024
by
Pixelboy
7.7k
points
Chemistry
college
1
answer
4
votes
210k
views
Use the standard entropy data in Appendix G to determine the change in entropy for each of the following reactions. All the processes occur at the standard conditions and 25 °C. a) MnO₂()⟶Mn()+O₂() b)
Vargonian
asked
Dec 17, 2024
by
Vargonian
7.8k
points
Chemistry
high-school
1
answer
2
votes
54.0k
views
How many grams of NaCl are needed to make 451 mL of a 22.7% solution?
CrveniZg
asked
Dec 17, 2024
by
CrveniZg
8.8k
points
Chemistry
high-school
1
answer
5
votes
212k
views
Which gas will have the most collisions between its particles? a. methane at 340 k b. carbon dioxide at 80 c c. helium at 20 c d. argon at 265 k
Druckermanly
asked
Dec 17, 2024
by
Druckermanly
8.2k
points
Chemistry
high-school
1
answer
2
votes
187k
views
Which of the following characteristics is shared by simple and facilitated diffusion of glucose? 1) Occurs down an electrochemical gradient 2) Is saturable 3) Requires metabolic energy 4) Is inhibited
Brian Risk
asked
Dec 17, 2024
by
Brian Risk
7.9k
points
Chemistry
high-school
1
answer
0
votes
156k
views
How many moles of oxygen are needed to react with 160 g of hydrazine? a) 1 mole b) 2 moles c) 3 moles d) 4 moles
Uchenna Nwanyanwu
asked
Dec 17, 2024
by
Uchenna Nwanyanwu
8.6k
points
Chemistry
high-school
1
answer
3
votes
87.1k
views
C=πr²represents: a) Circumference of a circle b) Area of a circle c) Distance around a circle d) Measured in square units
Bao
asked
Dec 17, 2024
by
Bao
8.5k
points
Chemistry
high-school
1
answer
5
votes
48.2k
views
If you put something biodegradable in the dump, eventually it will rot away. a) True b) False
Theowi
asked
Dec 17, 2024
by
Theowi
8.1k
points
Chemistry
high-school
1
answer
2
votes
71.3k
views
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