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Chemistry
Page 68
Questions (96,662)
The name of one of the compounds given on my worksheet is Molybdenum V. But according to my periodic table, there is no
3 answers
asked by
Nelle
361 views
Could this be right? :AG^+1 is the cation. The Anion is SO4^-2. For the compound I wrote Ag4SO1, and in word form, I wrote
1 answer
asked by
Nelle
440 views
How can Ammonia be a base since it lakes a hydroxide ion? thank you so much
1 answer
asked by
Ken
324 views
Explain what change substituting a chlorine for one of the hydrogen atoms to make CH3Cl would create in the molecule?
1 answer
asked by
???Help! Please and Thank You
394 views
Since we say that sand is silicon dioxide,it is considered a compound and not a mixture?
1 answer
asked by
carrie
385 views
Hi.
Can anybody help me with crystals? I have a gas that makes blue crystals when it's been hold in low temperature and high
1 answer
asked by
Ksenija
398 views
Is sulphuric acid covalent? Please explain. Thanks.
1 answer
asked by
anne
355 views
Is fertilizer usually basic or acidic? I'm referring to fertilizers that contain nitrates, phosphates, and arsenic. Thanks for
1 answer
asked by
Kendra
389 views
What is meant by the hyrdration of the hydrogen ion? Does this mean you add water? Does this mean you create hydronium ions? Are
3 answers
asked by
Michelle
427 views
Rank from most to least active based on placement on periodic table : Magnesium, potassium, sodium.
3 answers
asked by
danny
357 views
Last one. Describe how you would prepare 100ml of a solution that is 22% acetic acid by volume?
1 answer
asked by
Jessi
379 views
Developement of avogadro's number/mole concept?
3 answers
asked by
Sammi
368 views
Why is water liquid and carbon dioxide gas? Based on things like polarity, polar vs. non-polar
1 answer
asked by
Sabrina
418 views
Starting with S = k<sub>B</sub> * ln W
Derive S = (U(T) - U(0)) / T + N * k<sub>B</sub> * ln q(T)
1 answer
asked by
Sean
279 views
Information about the development of Avogadro's number.
1 answer
asked by
Eve
312 views
I just did a lab on Acids and Bases and I am having trouble with the lab questions I was given to complete.
Concentration of
1 answer
asked by
Lalu
414 views
What does a high ENC indicate if we are comparing two compounds for example Csl and CaCl2?
To caculate the ENC we simply take the
4 answers
asked by
Cindy
382 views
Explain in detail, which of the following pairs would have a higher melting point NH3 or P4
4 answers
asked by
Sara
344 views
We say that an ionic bond is the electrostatic force of attraction between oppositely charged ions. What does electrostatic
1 answer
asked by
anne
389 views
I was reviewing chem equations online. This one site said this is a balanced equation. I don't see why there are 13 oxygens!
1 answer
asked by
Meghan
407 views
What pressure will be exerted by 109 grams of fluorine gas in a 3,4000mL cylinder at 20degree celcius?
1 answer
asked by
Ivana
361 views
A textbook says that each ion in an ionic compound has the noble gas configuration. What about aluminium oxide?
1 answer
asked by
candy
346 views
The combustion of methane gives carbon dioxide and water.
CH4 + O2 --> CO2 + H2O For state symbol of water, is it liquid state or
2 answers
asked by
candy
862 views
If I react CuSO4 (solid) with aqueous NaOH, I will get Cu(OH)2 solid. How do I write the ionic equation?
1 answer
asked by
candy
400 views
I am figuring out how many moles of CU2SO4 are in 485.6 grams. How would you set up the proportion for this? What would the
4 answers
asked by
Meghan
354 views
Tell me a website from where i can get full information regarding IUPAC nomenclature of organic chemistry. It's rules,
1 answer
asked by
Akash
395 views
1) Is chalk a mixture or a compound?
2)We say that reactive metals react with acids to give salt + hydrogen gas.Is it necessary
1 answer
asked by
janice
406 views
We say that most bases are metal oxides and hydroxides, so an example of a base that is not ana oxide or hydroxide would be
1 answer
asked by
janice
388 views
An alkali is a soluble base.
Is barium hydroxide an alkali?
1 answer
asked by
janice
374 views
Why is the carbonyl group in tert-butoxycarbonyl group (tBOC) less susceptible to attack from nucleophiles than the carbonyl
1 answer
asked by
Alice
428 views
How would you scale down an organic chemistry experiment? Would you have to know an expected percent yield to scale it down?
1 answer
asked by
Jason
339 views
Which element has a greater electroniegativity, Al or Ge. I wasn't sure, since Al was further up, but Ge was further right.
1 answer
asked by
Nicki
353 views
How could the following transformation could be carried out.
C6H5C=CH --> C6H5CH2CH20H I don't know how you would get a primary
1 answer
asked by
Beth
358 views
Determine the correct oxidation number assigned to carbon in CaCO3
1 answer
asked by
Samantha
333 views
An unknown was prepared with the concentration of 0.000520 M. A Beer's Law plot was prepared using the absorbance values from
1 answer
asked by
Joan
438 views
What would the two half reactions be for 2Na+1MgBr2 arrow 2NaBr + Mg? I don't know how to determine this, other than that you
1 answer
asked by
Peter
416 views
Every balanced equation is written so BLANK is/are conserved
atoms mass a and b None of the above I thought the answer would be
1 answer
asked by
Anne
383 views
I have to list all of the ions of zinc, the thing is, the only ion I could find was Zn^2+. I've googled "ions of zinc" but this
1 answer
asked by
Ericka
367 views
Why does CdCO3 have a significantly lower decomposition temperature than CaCO3, despite the similarity in the ionic radii of
1 answer
asked by
Alice
368 views
Why do amides require much harsher conditions for hydrolysis than esters?
I'm guessing amides are more stable for some reason,
1 answer
asked by
Alice
314 views
For Chemistry, I have to design a coin. What are some anti-counterfeiting measures I could use to prevent people from
1 answer
asked by
Aline
397 views
Another question on the subject of coins. We have to evaluate another group's metal choices. My friends' group chose gold for
1 answer
asked by
Aline
422 views
What is the heat of fusion of water?
1 answer
asked by
Amanda
431 views
Why are chemical equations balanced? Explain at the atomic level.
3 answers
asked by
Susan
385 views
"blank" mL of 6.0 M H2SO4 are needed to prepare 300 mL of 1.0 M H2SO4 solution.
its 49.8
1 answer
asked by
uci student
425 views
Which is the anode and which is the cathode when doing the electrochemistry:
Zn or I2/I- Cu or I2/I- Fe or I2/I- Ni or I2/I-
1 answer
asked by
Dave
306 views
What are the products of nitrogen dioxide and methane?
1 answer
asked by
Zac
287 views
What is the pH of the solution created by combining 11.40 mL of the 0.10 M NaOH(aq) with 8.00 mL of the 0.10 M HCl(aq)?
with 8.00
1 answer
asked by
Lisa
391 views
I need help with the following problem: A fabric remnant from a burial site had a 14 C:12 C ratio of 0.838 of the original
1 answer
asked by
Sophie
367 views
We did a lab on fractional distillation and I am unsure what the three fractions were. I think the first one is ethanol, and the
1 answer
asked by
Christopher
327 views
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