Grams Definition and 60 Threads

Grams and kilogram help?? how meny Grams(g) is in one kilogram (kg)? i for got:P

What is the mass in grams of a single atom of each of the following element? Hg? Anybody that can help it would be greatly appreciated

I understand that the energy is in joules (?), but unsure of mass and velocity formats. I am trying to calculate the energy of an impact. Specifically, the heat energy (btu) resulting from various bullet impacts. Feel free to ask further questions if you need to know something else to answer...

can someone give me a hand on this one? How many grams of water at 20 degrees Celsius can be converted into steam at 500 degrees Celsius with 10 kJ of energy? wat i know is that this question is 2 parts: Water being heated to 100 C (80 C change)using the specific heat of water n then...

What unit would the energy be in if you used grams for mass and km/sec for c? And how many lights or something would 1 gram of the energy fuel (for comparision). Thanks

Please help me with this: Calculate how many grams of solute are necessary to prepare: 1) 100 mL of 0.1 N (Normal Solution) Ca(OH)2 (molecular weight = 74) 2) 100 mL 5% NaCl (molecular weight = 40)

I have a simple math problem. I know the basic formula, but am too far removed from math lessons(50 years of age) to figure it out. I know you require like units to derive an answer. A 200 gram object is rotated around a 4' radius at 100 mph. What is the centrifugal force? I know(at least...

This may be a stupid question, but can you convert 1 amu or 1 mol of something into a measurement of grams? Thanks

http://www.sunspot.net/news/health/bal-te.gram02feb02,0,7721707.story?coll=bal-health-headlines

Im curious about the movie 21 grams thanks