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chemisty
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Na+I_2
1 answer
asked by
Ronnie
281 views
if you react 1.20g of copper metal with excess silver nitrate, how many moles of silver metal are produced?
2 answers
asked by
laurie
525 views
the solubility product constant (Ksp) of ca(oh)2 at 25 C is 4.42*10^-5. a 500 ml of saturated solution of ca(oh)2 is mixed with
4 answers
asked by
tor
1,769 views
Chromium-51 is a radioisotope that is used to assess the lifetime of red blood cells The half-life of chromium-51 is 27.7 days.
1 answer
asked by
chan
445 views
What is the half-life of polonium-218 if 5.37 minutes are required for the activity of a sample of polonium-218 to fall to 29.5
1 answer
asked by
chan
419 views
Which of the following apply to diffusion
1 answer
asked by
derianna
348 views
five characteristics of life
1 answer
asked by
katelyn
346 views
What is the final temperature of a mixture of 250 g of water at 33°C into which 3 g of ice at -20°C is placed
1 answer
asked by
Anonymous
351 views
Uranium is used as a fuel, primarily in the form of uranium(IV) oxide, in nuclear power plants. A small
sample of uranium metal
2 answers
asked by
grella
930 views
When 435 J of heat is added to 3.4 g of olive oil at 21.0oC, the temperature increases to 85oC. What is the specific heat of
4 answers
asked by
zanae
777 views
complete CH3-CH2-CH=CH2+HCL
1 answer
asked by
Anonymous
266 views
What mass of hydrogen gas H2 at 0 °C and 1 atm could be contained in a vessel that holds 4.0 g of oxygen gas O2
at 0 °C and 1
3 answers
asked by
zoe
267 views
For each of the following sets of elements, arrange in order of decreasing atomic radius: Li , O , C , F
Rank from largest to
1 answer
asked by
l
109 views
why were the paper alexandre-emile beguyer de chancourtois wrote and the diagram he put together never widely accepted?
1 answer
asked by
ian
82 views
Calculate the energy of a photon of radiation with a frequency of 8.5 x 10^14 Hz.
1 answer
asked by
adrian
70 views
Which description accurately represents a water molecule?(1 point)
1 answer
asked by
Anonymous
102 views
hydrogen gas filled a 0.075L container at 156`C. What would it's new volume be at 25`C?
1 answer
asked by
Marie
47 views
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