- Recrystallization of asprin?

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Naphthalene sublimation rate=3*10^-5/min. Volume of room=60m^3. How would I calculate the naphthalene concentration in the air of the room? If 5sinθ = 3 determine the value of:
1. cos (θ-360)
2. Tan (squared)θ
3. Sin θ x cos θ (all divided by cos (squared θ)? What town is this prefix number for 869 ? What is the purpose of blanching foods? Graph each function for the given domain 1. 3x-Y=1;D:{-3,-1,0,4} 2. F(x)=x+4;D:{-5,-3,0,4}?