# Properties of gases(diffusion and pressure)

Classified in Chemistry

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Chem Cheat Sheet

Mol = M*L

m = mol/Kg

Strong Acids

HCL hydrochloric

H2SO4 sulfuric

HNO3 nitric

HBR hydrobromic

HI hydroiodic

HCLO4 perchloric

Cp H2O (l) = 4.184

Cp H2O (s) = 2.03

Cp H2O (g) = 1.998

ΔHfusion of H20 = 6.02

ΔHvap of H20 = 40.7

1.An amorphous solid still has all the properties of a solid except for its ___________ _______________:disorganized arrangement

2.At STP, 1 mol =:22.4L

3.At STP, P=:1atm

4.At STP, T=:273K

6.Boyle's Law:PV=PV (inversely proportional - as P↑, V↓)

7.Charles' Law:V/T = V/T (directly proportional - as P↑, V↑)

8.Combined Gas Law:PV/T = PV/T (T must be K, everything else whatever)

9.Dalton's Law of Partial Pressure:Pressure(total) = Pressure(a) + Pressure(b)

10.Equation for solving phase changes (Ex. If you had 100g of liquid water at 100 C, how much energy would it take to boil the water if the ΔH vap of water is 40.7kJ/mol):q=m*ΔH(fus/vap)

11.equation for solving with/for specific heat (Ex. How many joules ( J ) are required to heat 1000g of water from room temperature (25C) to 100C?):q=mcΔT

12.Gai-Lussac's Law:P/T = P/T (directly proportional - as P↑, V↑)

13.Graham's Law:as m↑, v↓ (inversely proportional)

14.Ideal gases are far apart at _______ temperatures:low

15.Ideal gases do not have attractive forces at _______ tempersatures:high

16.Ideal Gas Law:PV=nRT (R=8.314, P=kPa, V= L/dm^3, n=# of mol, T=K)

17.inter is strong or weak:weak

18.intra is strong or weak:strong

19.nonpolar molecules:e- shared equally (not shared equally in polar)

20.Real gases are not always far apart at ______temperatures:high

21.Real gases do have attractive forces at __________ temperatures:low

22.solution:homogeneous micture

23.solvent:substance that dissolves the solute

24.symbol for specific heat capacity:Cp

25.what does "like dissolves like" mean:polar + polar = solution

nonpolar + nonpolar = solution

polar + nonpolar = suspension

26.ΔH fusion of H2O:6.02

27.ΔH vaporization of H2O:40.7