Chemistry. How Do I Work Out The Percentage Abundance Of An Element? What Is The Difference Between Stable And Radioactive Isotopes?
Chemistry. The Question I Have Been Given Is: Thallium Has Two Naturally Occuring Isotopes, Thallium-203 And Thallium- 205. Its Relative Atimic Mass
Frequently Asked Question :
Chemistry : How Do I Work Out The Percentage Abundance Of An Element
the question i have been given is: Thallium has two naturally occuring isotopes, thallium-203 and thallium- 205. Its relative atimic mass is Detirmine the percentage abundance of the lighter element. I dont want the answer, I would just like to know how to work out the answer so that I can answer similar questions int he fututre. ~~~ Delta-fan ~~~
Chemistry : What Is The Difference Between Stable And Radioactive Isotopes
I was also wondering what the conditions under which a nucleus is unstable are. ~~~ popcorn ~~~
Chemistry : What Is The Signifigance Of A Flame Test
I need help with this chemistry question! I have it for a question on my report! I need this question fast so hurry up! ~~~ Denise D ~~~
Chemistry : What Is The Main Components Of Crude Oil
Hello, im doing a research on crude oil, and i need to know whats the components of crude oil is. The problem is i cant really find it. Thank you for all of your help. ~~~ Fadhil ~~~
Chemistry : How Do You Extract Metals And Salts From Sand
I need to know this for my chemistry exam. I would much appreciate an answer. ~~~ rad.dragan ~~~
Chemistry : What Are The Different Methods Of CATHODIC PROTECTION
I only know of sacrificial anodes and the impressed current method, but I need to find out about other methods and then write a report on one method of cathodic protection. Please point me in the right direction, any sources would be helpful as well. ~~~ Bluey S ~~~
Chemistry : What Is The Mechanism For The FriedelCrafts Acylation Of Ferrocene To Produce Acetylferrocene
Explanation or website would be appreciated. Looking for the full mechanism (with curved arrows), not just the equation ~~~ T J ~~~
Chemistry : What Are Three Factors That Need To Be Controlled In The Production Of Polyethylene
Please say what they are and why they have to be controlled. Thanks! :D all help appreciated and don't be afraid to elaborate!! :P ~~~ popcorn ~~~
Chemistry : What Is The Relationship Between Distance Between Electrodes And Voltage
I made a lemon battery and used a voltmeter to test different spaces. As the distance between the electrodes increased, my voltage decreased. Does this sound right? ~~~ emma ~~~
Chemistry : What Are The Formulas Of These Two Compounds What Type Of Bonding Exists In Each
When magnesium metal is burned in air, two different products are made. One is magnesium oxide and the other is magnesium nitride. What are the formulas of these two compounds? What type of bonding exists in each. ~~~ justanordinaryday08 ~~~
Chemistry : How Many Liters Of Seawater Would Have To Be Processed To Recover 1 Kg Of Gold
A cubic meter of ocean water has 6 x 10^-6 g gold. If the total mass of the water in Earth's oceans is 4 x 10^20kg, how many kilograms of gold are distributed throughout the oceans? Assume that the density of seawater is 1g/cm3. How many liters of seawater would have to be processed to recover 1 kg of gold. There's two questions to this problem. I would like to know how you would sove this problem and what's the answer? ~~~ sw33t_lil_azn08 ~~~
Chemistry : What Exactly Is A Radical In Inorganic Chemistry What Is Meant By A Free Radical
I am new to chemistry so please make your explanations easy to understand! Any help is appreciated. ~~~ Gideon ~~~
Chemistry : What Is The Reason That Fe Has Two Different Valences
What is the relevance of this to the periodic table which has Fe listed as VIII (d orbitals). Any help would be appeciated? Also I have to find out the same anwser for P. I have searched everywhere cannot find the solutions. ~~~ Gideon ~~~
Chemistry : How Many Grams Of Solute Are Present In 24mL Of Isotonic Saline
Tell me the format to the equation, not just the answer please. I would like to understand and reuse this format. Thank You. ~~~ khem student ~~~
Chemistry : What Is The Best Way To Approach A Potiential Employee In A Chemistry Laboratory
I have 2 degrees and a 1 years experience at working in a laboratory and I have been given 2 months to find another job. ~~~ pennywise3228 ~~~
Chemistry : How Do You Work Out The Number Of Electrons In An Atoms From A Chemical Formula
For example: The IMAGINARY compound "Exalite" has a formula of Ex4Lt3. How many electrons are in the outer shell of each element? ~~~ MeLiSsA♥ ~~~
Chemistry : How Do You Find Molality Given The Density In Gcm And Molarity
How do you find the density and pecent by weight of a solution of sulfuric acid which has a density of g/cm? ~~~ mirchi23 ~~~
Chemistry : How Do You Find The Mole Ratio Of Magnesium Oxide To Magnesium
And then from there on, use that and the molar mass of magnesium oxide to calculate the theoretical yield of the product. ~~~ doomikazi ~~~
Chemistry : What Does A Positive Slope In A Graph Mean
I am graphing retention time and boiling point in a GC. The graph has a straight, positive slope. What does this slope mean? How does it explain the relationship of the X and Y? ~~~ mn1998 ~~~
Chemistry : What Is The Method For Extracting Calcium Carbonate From Limestone
This is for a chemistry assignment which is due soon and i really need an answer, please. Thanks! ~~~ Cillabear ~~~
Copyright 2008 SearchWebEngine.com, All rights reserved.
