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Chemistry
Page 59
Questions (96,937)
If u place a metal cube in beaker as a catalyst, what effect will it have on the reaction? And why?
1 answer
asked by
Jessica
356 views
Give the electron configurations of
22Ti+2 Do you know how to do this? Here is a site that will help you. Repost with specific
1 answer
asked by
Justyna
437 views
How do you write the combination of:
Na2CO3 AgNO3 (CO3 -2) and (Ag=1) Thanks! This is a double displacement reaction. silver
1 answer
asked by
Ben
430 views
True or False or Sometimes true
Removing one electron from an atom results in the formation of a postive ion with a 1+Charfe. Of
1 answer
asked by
Bryan
413 views
If you have two solutions, one of pH 7 and one of pH 9, but they are not labeled, which indicator would be used to identify the
1 answer
asked by
Chrissy
435 views
What are the characteristics of an ionic bond?
Hard, often brittle, high melting point, often soluble in polar solvents such as
1 answer
asked by
Bryan
425 views
I was not the person who wrote that question last night?
Chemistry - DrBob222, Wednesday, November 15, 2006 at 7:24pm Yes, it is
1 answer
asked by
Dave
411 views
When scientist first negan grouping element that had similar chemical properties did they call them families, triads, or
1 answer
asked by
Twinkle
373 views
Which sublevel begins to fill with transition elements? I don't think my guess is worthy of being posted
Transition elements are
1 answer
asked by
ilovdr90210
415 views
what are two general properties of molecular compounds?
Generally they are soft and have a low melting point (when compared to
1 answer
asked by
Bryan
425 views
Is heat lost in heating water and ice?
No. Entropy is lost, but heat energy is not lost.
1 answer
asked by
Lisa
422 views
Is this true or false
In general, the electronegativiy values of nonmetallic elements are greater than the electronegativity
1 answer
asked by
Dennis
407 views
How many atoms make up the oxlate ion?
C<sub>2</sub>O<sub>4</sub><sup>=</sup> 2C atoms + 4 O atoms.
1 answer
asked by
Bryan
296 views
what is the difference between the sulfite and sulfate anions?
Sulfate is SO4 2-. Sulfite is SO3 2-. sulfate is
1 answer
asked by
Dennis
340 views
Hello! I need help with knowing how to find certain data in the L3 and L4 columns using my calculator and plotting the graph to
1 answer
asked by
Rachel
427 views
Need to write a balanced chemical equation for the reaction between hydrogen selenide and tin. I know that the hydrogen selenide
1 answer
asked by
Mac
569 views
what term macthes this description?
what about the weakest attractions that exist between molecule answered below last one A
1 answer
asked by
Bryan
428 views
As a hot air balloon rises to increasingly higher altitudes describe what happens to the volume of the balloon if at constant
1 answer
asked by
Lisa
420 views
How does weight differ from mass?
Weight changes with gravity while mass does not change.
1 answer
asked by
Dennis
425 views
Need help with these conversions please
0.08206 Latm/molxK to cal/molxK ? 0.08206 Latm/molxK to J/molxK ? I will be happy to
1 answer
asked by
Paul
402 views
Hi. I need some help with this.
When you stretch a balloon against your lips, is heat given off or absorbed? Which driving force
1 answer
asked by
Lisa
438 views
In my problem i need to find the mass of Ag in AgNO3. I have 3.489g of AgNO3. Help please!
Determine the percentage composition
1 answer
asked by
Jason
370 views
Can someone explain the different gas laws to me(Boyle's, Charles, and Avogadros)Thanks
There are links to each in this article
1 answer
asked by
Chrissy
407 views
Two flasks containing the same inert gas are at the same temperature and pressure of 800. mm Hg. One flask is injected into each
1 answer
asked by
Jason
649 views
What is a proton donor?
Acids are proton donors, BAses are proton receivers
1 answer
asked by
mily
389 views
What is an example of a acid?
Any Acid possible would be sufficient I'm sure.. how about HF thanks
1 answer
asked by
mily
321 views
how do I work out the molecular mass of a substance such as oxide of arsenic? If I'm trying to work out the oxide part of this
1 answer
asked by
Annabel
413 views
A vessel of 9.49 L in volume contains 3.37 L of pure water at 25¡ÆC. A partial pressure of 4.73 atm of CO2 is quickly injected
1 answer
asked by
Sally
443 views
Is Isopropyl alcohol an acid or a base?
neither
1 answer
asked by
Lisa
403 views
How would I explain how I arrived at the following EF in words?
1 answer
asked by
MARK
306 views
12.
1 answer
asked by
Aletha
244 views
I need to take some following samples of these:
*a hydrocarbon w/a molecular mass greater than 100 g/mo *something w/ L-carvone
1 answer
asked by
VaNeSsA
386 views
I know that Ununhexium is in period 7, group 16. What evidence would be able to support this?
Here is a web site for an on-line
1 answer
asked by
Gemma
413 views
suppose that ununhexium undergoes a succession of a-decays reactions. What isotype would be the final product?
how did you arrive
1 answer
asked by
Gemma
325 views
Why is the freezing point depression of potassium ethanoate greater than that of camphor or urea (in benzoic acid), with equal
1 answer
asked by
Edward
385 views
I am having trouble answering a question and need some advise. If one proton is taken from a nucleus of a sample of Au79 i would
1 answer
asked by
Flame
424 views
Could someone tell me what the structural formula of the product between Hydroxyl and carboxylic is? Many thanks
a^2+b^2=c^2
1 answer
asked by
Mick
323 views
What is the pH of a solution with [OH-] = 2.5 x 10-3?
I don't even know where to begin with this problem :( You know [OH] + [H+]
1 answer
asked by
KHNJ
357 views
When determining the pH of a solution, will the indicator react with and change the properties of the solution.
No, not
1 answer
asked by
KHNJ
309 views
All acid-base indicators change color in the same pH range.
All? What is your thinking on this? Surely you do now want us to do
1 answer
asked by
KHNJ
389 views
Teh molar mass of a compund is 92.0g/mol. Analysis of the compound indicates that it contains .606g Nitrogen and 1.339g Oxygen.
1 answer
asked by
mZ. YoU
418 views
Read earlier posts on this question and still find my self confused.
The question being H2SO4(aq) -> 2H^+ (aq) + SO4^-2 (aq). A
1 answer
asked by
SOS mature student
436 views
What is a balanced equation for the reaction of aluminium selenide with water?
Assume that aluminum hydroxide and hydrogen
1 answer
asked by
sarah
397 views
Al3+ and Pb2+ act as acids or bases in acidic or alkaline environment.
True or False? I think this is true because they are
1 answer
asked by
Chemistry
395 views
Can you please help me to work out the addreviated structural formulae of hydrolysis of tocainide?
Won't it be the -NH2 group
1 answer
asked by
Paula
384 views
How would I draw the abbreviated structural formulae of the products of the complete hydrolosis of this compound,
CH3 O (=) N - C
1 answer
asked by
Ben
429 views
How much water needs to be added to 150mL of an 0.75 molar solution of lithium phosphate to make the solution 0.625 molar?
I came
1 answer
asked by
Kellie
417 views
Does fission store or create energy.
answered the duplicate question.
1 answer
asked by
Aj
321 views
Does fission store or create energy.
I think it creates it... can you help me with my math please? If atoms fission, energy is
1 answer
asked by
Aj
425 views
Surfactants used in Detergents are:
1-Anionic,OR 2-Cationic,OR 3-Non-ionic.Or all of these
1 answer
asked by
Candy
376 views
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