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Chemistry
Page 65
Questions (96,944)
What would be the the oxidation number of (N):
* NaNO3 * NH4Cl
3 answers
asked by
Saleshia
432 views
how do you write the reduction half-reaction of ions?
1 answer
asked by
Abree
315 views
At 752.3 torr and 20.35oC, what is the density of argon in g/L? Report your answer with 4 sig figs
I got 1.875 using d=PM/RT, but
3 answers
asked by
Jennifer
322 views
From the Standard Potential Table in your general chemistry textbook: Which reaction has been chosen as the 'standard' against
1 answer
asked by
Lily
379 views
If a gas has a volume of 400.0 cm cubed at a pressure of 755 mmHg and a temperature of 25 degrees celsius, what would be its
5 answers
asked by
Kate
413 views
1. What happens to the altitude and pressure when the boiling point is lowered?
2. What happens to the altitude and boiling point
1 answer
asked by
Chrisy
449 views
Please check to see if i did it right..
if the reduction potential for Cu^2+ + 2e---> Cu is 0.00V. Then the remaining reduction
1 answer
asked by
Sara
368 views
Can you help me with this question?
Find the temp for conversion of monoclinic sulfur to rhombic sulfur. This is the data
1 answer
asked by
Alex
313 views
Can someone help me with this question?
Find the temp for conversion of monoclinic sulfur to rhombic sulfur. This is the data
1 answer
asked by
Alex
318 views
How do you determine the pH of a substance with an H+ concentration of 3.2 x 10^-3? Thanks in advance!
1 answer
asked by
John
288 views
The molecular structure around the oxygen in water is _________
I don't know what to put
1 answer
asked by
CHRIS
400 views
The molecular structure around all the carbons in ethanol is ________
I don't know what to put
1 answer
asked by
CHRIS
393 views
Which reaction has been chosen as the 'standard' against which every other reaction is measured?
A. F2 + 2e ---> 2F– B. O2 +
3 answers
asked by
Amy
466 views
how many milligrams of Na(deDTC)3H2O is needed if 70 mg of FeCl36H2O is used?
my work:
1 answer
asked by
sara
407 views
How do you decide orbital hybridization of molecules?
1 answer
asked by
Kenny
361 views
im a little confuse on this problem.
"in the production of copper from ore containing copper(II) sulfide, the ore is first
1 answer
asked by
Mandy
428 views
im a little confuse on this problem.
"in the production of copper from ore containing copper(II) sulfide, the ore is first
1 answer
asked by
Mandy
419 views
im a little confuse on this problem.
"in the production of copper from ore containing copper(II) sulfide, the ore is first
1 answer
asked by
Mandy
433 views
im a little confuse on this problem.
"in the production of copper from ore containing copper(II) sulfide, the ore is first
1 answer
asked by
Mandy
393 views
im a little confuse on this problem.
"in the production of copper from ore containing copper(II) sulfide, the ore is first
1 answer
asked by
Mandy
429 views
im a little confuse on this problem.
"in the production of copper from ore containing copper(II) sulfide, the ore is first
1 answer
asked by
Mandy
417 views
im a little confuse on this problem.
"in the production of copper from ore containing copper(II) sulfide, the ore is first
1 answer
asked by
Mandy
422 views
im a little confuse on this problem.
"in the production of copper from ore containing copper(II) sulfide, the ore is first
1 answer
asked by
Mandy
409 views
im a little confuse on this problem.
"in the production of copper from ore containing copper(II) sulfide, the ore is first
1 answer
asked by
Mandy
439 views
How is limestone used to make mortar?
1 answer
asked by
Dami
370 views
What are probes in RFLP made of? HOw do they help isolate rare DNA fragments?
I can't find the answer, so can I get some help
1 answer
asked by
Andre
376 views
Where can I find a picture of the molecular orbital diagram for OH-?
1 answer
asked by
Tom
383 views
Can someone tell me what product is formed when -
acetylene and oxygen react 3-methylbutyne reacts with hydrogen chloroethane
2 answers
asked by
Sam
476 views
A gas initially at 20 degrees C it must be changed to (blank) degrees C to triple the pressure.
1 answer
asked by
Robin
352 views
The total pressure in a flask containing air and ethanol at 257C is 900 mm Hg. If the pressure of the air in the flask is 762 mm
1 answer
asked by
Sarah
378 views
im curious if i post my work on here will anyone check it for me to see if it is right?
9 answers
asked by
jecce.
398 views
Can a buffer solution with pH = 4.70 be prepared using water, 6.0 M HC2H3O2 and 6.0 M NaOH? Justify your answer. Ka = 1.8 x 10-5
3 answers
asked by
Alexis
433 views
What are the pH values if you take into account that the 8.00 mL of 0.10 M Acid was first diluted with 100 mL of water?
ACID =
3 answers
asked by
katie
343 views
Ermms just cant get my head around this question
kinda bugging me :( Solid Sodium Hydrogen dissolving in water i know its a
4 answers
asked by
Anonymous
360 views
Ermms just cant get my head around this question
kinda bugging me :( Solid Sodium Hydrogen Carbonate dissolving in water i know
1 answer
asked by
(:
435 views
A block of metal has a width of 3.2 , a length of 17.1 , and height of 5.8 WHAT is the VOLUME OF THE BLOCK?
1 answer
asked by
Beth
364 views
What volume (mL) of the solvent benzene should be added to 142 mL of the solute CH3CN to generate a solution that is 2.68% by
4 answers
asked by
Scott
407 views
What si the pH of a solution of 10^-8 M HCl in H2O?
1 answer
asked by
Julie
308 views
How do we add,subtract,multiply or divide the uncertainities of two values? For example
28.0 +- 0.5 and 0.899 +- 0.003 Actually i
1 answer
asked by
Jimmy
394 views
Determine the mass (in grams) of 1.45 mol of diphosphorus dioxide.
I am getting my answer to be 136.22g... but ITS NOT RIGHT
3 answers
asked by
Rogers
376 views
10.0 g of H2SO4 are added to 50. 0 mL of water.
Is the answer 200. If not how do you approach the problem to get the solution.
1 answer
asked by
George
363 views
You have a 12 M solution of hydrochloric acid. How many milliliters of this solution will give 25.0 mL of 2.0 M hydrochloric
4 answers
asked by
George
405 views
Why is "phenyl" the name for the substituent variant of a benzene ring and "benzyl" refers to something slightly different
1 answer
asked by
chemstudent
353 views
what is the formula to change the temperature of K to C
1 answer
asked by
Anna
327 views
How would you convert these?
Metric conversions 1. 2000 mg = _______g 2. 5.6 m = _____________cm 11. 16 cm = ______________mm
1 answer
asked by
Jill
406 views
Which of the follwing is NOT acidic?
a. Milk b. saliva c. soft drinks d. blood I believe the answer is d
1 answer
asked by
Jen
417 views
When I invert the concentration of say this equation:
2HCr4- + 3HS03- + 5H+ -> 2Cr3+ + 3SO4^2- + 5H20. and get RSRRE wrt HS03-,
1 answer
asked by
Tri
383 views
Which metal would you expect to generate more gas when exposed to a weakly acidic solution, K or Ca?
I say K because it only
3 answers
asked by
George
389 views
If 560.70 g of water (22degrees) is displaced, what volume of gas displaced it?
Any help would be greatly appreciated. I am
1 answer
asked by
George
400 views
At the equivalence point for CH3COOH, the pH will be?
1 answer
asked by
julia
320 views
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