Question — Add New »	Last Poster	Replies
what gives rise to the cohesiveness of water molecules? Started 2 years ago by guest	guest 1 month	1
why do vegetables get soggy when cooked? Started 1 year ago by guest	jlindsey 2 months	2
what element is used in films, turns black in light, negatives? Started 1 year ago by guest	jlindsey 2 months	2
What is the final temp of 325.0g of gold at 427C dropped into 200.0g of water at 22.0C? Started 7 months ago by guest	jlindsey 2 months	1
When salt is dissolved in water, do you think the entropy of the system of salt and water increases Started 2 months ago by guest	guest 2 months	0
do you think the entropy of the system of salt and water increases or decreases? Why? Started 2 months ago by guest	guest 2 months	0
Physical properties that make Calcium helpful or harmful? Started 5 months ago by guest	drglenndritchie 5 months	1
does boiling water remove chlorine? Started 5 months ago by guest	drglenndritchie 5 months	1
solubility of carbon dioxide Started 7 months ago by brandon	jlindsey 6 months	2
a subatomic particle with a positive charge and a mass of 1 amu Started 6 months ago by guest	jlindsey 6 months	1
what makes elements neutral Started 6 months ago by julie	drglenndritchie 6 months	1
Why is the puddle underneath a melting ice cube as cold as the ice cube itself? Started 6 months ago by guest	drglenndritchie 6 months	1
what is the difference between an ion and isotope Started 7 months ago by guest	drglenndritchie 7 months	1
why does water appear inside pot cover during boiling of water? Started 7 months ago by cesarryan	drglenndritchie 7 months	1
how many electrons does the element, Titanium has? Started 7 months ago by johnae_noahasia	drglenndritchie 7 months	1
human made chemicals are generally referred as ? Started 7 months ago by tatiana	guest 7 months	1
what are two parts of an acid? Started 7 months ago by AliPinkard	jlindsey 7 months	2
what is the mass number of an isotope with 56 electrons and 82 neutrons? Started 7 months ago by guest	drglenndritchie 7 months	1
How would you recognize a molecular compound from it's formula? Started 7 months ago by guest	jlindsey 7 months	1
If the sign of ΔH is _______ and the sign of ΔS is ________, then the magnitude of TΔS must be _____ Started 11 months ago by guest	jlindsey 11 months	1
what happens to hydrogen when it is burned with no other gases present Started 11 months ago by adn	drglenndritchie 11 months	1
4.9 gram of KCLO3 on heating shows a weight loss of 0.768 gram. The percent of original KCLO3 decomp Started 11 months ago by hargun	drglenndritchie 11 months	1
Why does sink water create vacuum pressure? Started 11 months ago by guest	drglenndritchie 11 months	1
What is the mass of 7.21 * 10^21 molecules of Aluminum sulfate? Started 1 year ago by lexzi	drglenndritchie 11 months	1
How do you name ionic compounds? Started 12 months ago by guest	drglenndritchie 12 months	1
different forms of the same element that have different properties because of different atom arrangm Started 12 months ago by guest	jlindsey 12 months	2
how do you determine the number of moles of substance whose mass is required? Started 1 year ago by guest	jlindsey 12 months	1
What's the difference between salt water and fresh water? Started 1 year ago by theollengeorge	theollengeorge 1 year	2
what is the ka Started 1 year ago by andersonadedrick	jlindsey 1 year	1
What is one way all mixtures are alike Started 1 year ago by laurono	drglenndritchie 1 year	1