The ultimate goal of sustainable development is to
a.
limit the future use of resources
b.
meet current and future resource needs
c.
increase the current use of resources
d.
reduce resource use but increase supplies

Agas mixture with a total pressure of 745 mmhg contains each of the following gases at the indicated partial pressures: co2, 245 mmhg ; ar, 119 mmhg ; and o2, 163 mmhg . the mixture also contains helium gas. part a what is the partial pressure of the helium gas? phe p h e = nothing mmhg request answer part b what mass of helium gas is present in a 10.2-l sample of this mixture at 283 k ? m m = nothing g request answer

Ahydrogen atom has 1 electron. how many bonds can hydrogen form? a) 1 b) 2 c) 3 d) 4 e) 5

To find the enthalpy of a reaction in the lab, you measured the of the reactants and the change during the reaction.