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heliumfrom Yahoo AnswersWednesday, 21st Dec 2011 - 9:12 am I have 3 airswimmers as christmas gifts for my children,but i,m not sure how much helium i,m going to need to fill them up and keep them up until i can get more helium.... Wednesday, 21st Dec 2011 - 1:12 am 1. A __________ is a large cloud of dust and gar that becomes a star.
2. A graph that shows the relationship between a star absolute magnitude and a temperature is an ___________.
3. A star that is a ____________ uses, helium for fuel and has expan... Tuesday, 20th Dec 2011 - 11:12 pm Consider the reaction: 2 Helium 3 (mass number 3, atomic number 2) -> Helium + 2 Hydrogen (mass number 1, atomic number 1)
How do I calculate the mass defect of this??? Apparently the answer is -2.569x10^-29 kg/nuclide, but I don't know how t... Tuesday, 20th Dec 2011 - 1:12 pm The sun converts nearly 545 million metric tons of hydrogen to helium every second. In the process, approximately 3.6 million metric tons of that hydrogen mass is changed into energy and radiated into space. What percentage of the converted hydrogen ... Tuesday, 20th Dec 2011 - 12:12 pm It doesn't weigh very much at all. In fact its weight could be described as having a negative value - so when I send it does this mean the post office has to pay me?... Tuesday, 20th Dec 2011 - 12:12 pm 1.Local sons made in an accelerated frame of reference cannot be distinguished from observation made in a observation gravitational field" is known as the principle of
a)equivalence
b)equality
c) equanimity
d) interchangeability
2)Precession i... Tuesday, 20th Dec 2011 - 10:12 am Tuesday, 20th Dec 2011 - 8:12 am A star first deals with hydrogene,but later houses mostly helium,right?Yet later its main mass is already the next from helium element & so on.So the stuff that entered it from the outer space by gravitation is responcible for this?Or why else?... Tuesday, 20th Dec 2011 - 8:12 am A balloon filled with helium gas has a volume
of 522 mL at a pressure of 1 atm. The balloon
is released and reaches an altitude of 6.5 km,
where the pressure is 0.5 atm. Assuming that
the temperature has remained the same, what
volume does the g... Tuesday, 20th Dec 2011 - 1:12 am I have no friends or meaningful human contact. I’m almost twenty-three and it’s been like this for almost seven years. Things aren’t looking up. I’m a part-time cashier in a grocery store and I live with my parents. I know they would miss me, especia... |
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