Chemistry category

Posted by Silver Scorp some time ago

Does boiling your drinking water get rid of the chlorine in it?

Posted by SaraZita some time ago

Why doesn't moving water (such as rivers) freeze?

Posted by theblacklight6 some time ago

How is water made to holy water?i want a scientific answer not the hocus-pocus one: by blessing...singing to it :-)

Posted by Anonymous some time ago

What is the weight in grams of a block of siver measuring 2.5cm x 8.0cn x 4.0cm...given that the density of silver of 10.5 g/cm3

Posted by fishboy some time ago

Can some one tell me the ph and water hardness of tap water?

Posted by wally08 some time ago

What is the color of a neon light?

Posted by bre some time ago

What is an atom or molecule called that has gained or lost an electron?

Posted by Anonymous some time ago

How does the Dissolved oxygen in the water that fish use, get dissolved. in brief detail?

Posted by Fun2WinPrizes some time ago

What is caffeine?

Posted by Anonymous some time ago

Why are oxidation and reduction considred as complementary processes?

Posted by Anonymous some time ago

How many moles of lead(II) sulfide are in 1.50 ft3 of galena?

Posted by Anonymous some time ago

This general solubility trend is sometimes expressed as “Like dissolves like.” Explain this expression.

Posted by Anonymous some time ago

What id the shape of ammonium, NH4+? a) trigonal pyramidal b) linear c)tetrahedral d) trigonal planar e)octahedral and why

Posted by RadioLogic some time ago

Is thread sealing "plumbers tape," the same as teflon tape sometimes used in electronics?

Posted by jenni9166 some time ago

The smallest unit of matter that retains the properties and characteristics of an element is the: A) atom B) Molecules C)protons D) nucleus E) Electron

Posted by andrea some time ago

How do redox reactions differ from other types of chemical reactions?

Posted by annie some time ago

What is the smallest unit? gram milligram kilogram decigram microgram

Posted by Answers101 some time ago

Who is the father or founder of chemistry?

Posted by dew some time ago

What are the top three metals used for plating, and how many metric tons of each are used in the united states each year for electroplating?

Posted by tweetybyrd some time ago

First event in Calvin Cycleis the attachment of carbon dioxide to the 5-carbon RuBP molecule which does what?

Posted by kool some time ago

What happens to toxic waste when it gets churned into the earth?

Posted by Anonymous some time ago

What is the earth's elemental composition?

Posted by Anonymous some time ago

Is iodine a metal?

Posted by Anonymous some time ago

Will occasional use of lortabs show up in hair test.

Posted by Answers101 some time ago

What're phosphates?

Posted by The Curious Bag some time ago

What are the 20 amino acids?

Posted by Joesmodeltrains some time ago

How do you make non-toxic black smoke from heated chemicals? I want to make my own smoke in a model steam locomotive.

Posted by korinna94 some time ago

Is hot water over a metal lid that is stuck on a glass jar is easier to get off or harder?

Posted by Little Devil the Pumpkin King some time ago

Is there an easy way to tell the difference between rocks and metal ore?

Posted by bobrez4343 some time ago

If the absorbance of a solution of copper(II) ion decreases by 36.00% upon dilution, what volume of water was added to 20.0 mL of a 1.20 M solution of Cu2+(aq)?

Posted by bobrez4343 some time ago

aluminum metal and silver nitrate.

Posted by Linda Joy some time ago

If the Silver Surfer and Iron Man team up, would they be alloys?

Posted by Anonymous some time ago

If you spill acid on yourself, you should wash it off with water. Why shouldn't you try to neutralize the acid with a base?

Posted by toopy some time ago

Which is colder - gas at -143 degrees celsius or gas at -245 degrees celsius?

Posted by Prince Vegeta some time ago

Which is the stablest compound, known to man? What conditions should one maintain, to break up the compound?

Posted by chemistry some time ago

Calculate the molecular weight of a gas if 3.3g of the gas occupies 660 ml at 735 mm Hg and 27 degrees C.

Posted by schubs some time ago

How do you make speed

Posted by Ganesh some time ago

What is lime water ? a> calcium hydroxide b> calcium carbonate c> calcium oxide d> calcium sulphate

Posted by zhimenghu some time ago

Which does freeze faster?water or salt water.

Posted by randomness - is now a Maestro some time ago

How do you work out moles per litre?

Posted by Val some time ago

Is this compound incorrect, Mg2(SO4)3?

Posted by seldomseen some time ago

Sodium fluoride, a hazardous-waste by-product from the manufacture of aluminum, is a common ingredient in rat and cockroach poisons, anesthetics, hypnotics, psychiatric drugs, and military nerve gas WTF? Why are they putting it in our tap water!?

Posted by Firebrand some time ago

Where will water boil at a low temperature, and why?

Posted by Anonymous some time ago

What is a optically dense medium

Posted by Egao No Genki some time ago

How much does titanium cost per ounce?

Posted by dr.child some time ago

I boil bottle water for 3 minutes for my infant in a sterile pot. I leave it overnight to cool covered. Each time I have found sediments floating. What is that, and is it bad to drink? How can I filter it under sterile conditions?

Posted by KevinW42 some time ago

How were elements heavier than iron originally formed?

Posted by o0yuki0o some time ago

Why does a burning splint goes out in a pop in hydrogen gas? Doesn't it help the flame burn?

Posted by brandon some time ago

How do you make someone forgive you.. for inst. i stole this kids girl

Posted by kiyarika some time ago

Density is mass per unit volume. Granite rock weighs about 2.6 g/cm3, and water weighs about 1.0 g/cm3. Knowing their size, how might you determine whether Europe or Ganymede is hiding a large liquid-water ocean beneath an ice crust?

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