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Home >All Categories > Science & Mathematics >Chemistry >Open Question sunbeams Member since:April 16, 2011Total points:100 (Level 1)BF3 is a pungent colourless gas (b.p. -101 degree celcius). NaF is a solid (m.p. 992 degree celcius). When BF3 reacts with NaF, it forms a compound NaBF4.
a) Describe, in terms of bonding, how NaBF4 is formed.
b) Suggest, with reasons, 2 properties of NaBF4.Answer Question

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Home >All Categories > Science & Mathematics >Chemistry >Open Question Donegald... Member since:March 29, 2011Total points:122 (Level 1)I need help with this it is an assignment for uni and cant figure it out. I know I need 15,884 j to heat the water, and that the molar mass of the sodium acetate is 82.03. What enthalpy change do I need, and what is the formula? The assignment is to design a pocket hand warmer, any help would be great.Answer Question

by Muppet Member since:June 30, 2010Total points:6,781 (Level 5)What , are you a little terrorist ?

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