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Chemistry-RT MC
Chemistry part of Resp. care sciences
| Term | Definition |
|---|---|
| IDEAL GAS LAW | PV= nRT GASES HAVE TWO WAYS THEY WILL REACT 1)DIRECT OR 2) INVERSLY |
| BOYLE'S LAW | STATES THAT PRESSURE AND VOLUME OF A GAS WILL ACT INVERSELY IF THE TEMP.AND AMOUNT OF GAS ARE CONSTANT. P1XV1= P2XV2 |
| CHARLES LAW | STATES THAT TEMPERATURE AND VOLUME OF A GAS WILL ACT DIRECTLY IF THE AMOUNT OF GAS AND PRESSURE ARE CONSTANT. V1/T1=V2/T2 YOU MUST CONVERT THE TEMP TO KELVIN BEFORE CALCULATING |
| GAY LUSSACS | STATES THAT PRESSURE AND TEMPERATURE ARE DIRECTLY RELATED IF THE AMOUNT OF GAS AND VOLUME ARE CONSTANT. P1/T1=P2/T2 MUST CHANGE THE TEMP TO KELVIN BEFORE CALCULATING |
| COMBINED GAS LAW | STATES THAT PRESSURE,VOLUME AND TEMP OF A GAS ARE SPECIFICALLY RELATED IF THE AMOUNT OF GAS REMAINS CONSTANT. P1XV1/T1=P2XV2/T2 |
| DALTONS LAW OF PARTIAL PRESSURE | HAS 4 PARTS PTOTAL=P1+P2+P3... %=Pp/PB...GASES ACT INDEPENDENTLY OF EACH OTHER AND WATER PRESSURE DOES NOT FOLLOW THE LAW |
| AVOGARDO'S LAW | STATES THAT EQUAL VOLUMES OF ALL GASES AT THE SAME TEMP AND PRESSURE HAVE THE SAME # OF MOLECULES. 1MOLE=1 PARTICLE OF GAS AND 1MOLE=6.02X10^23 |
| HENRYS LAW OF SOLUBILITY | SAYS THE AMOUNT OF GAS THAT DISSOLVES INT A LIQUID AT A GIVEN TEMP IS DIRECTLY PROPORTIONAL TO THE PARTIAL PRESSURE OF THE GAS ABOVE THE SURFACE OF THE LIQUID. CaO2=Hg(1.34).SaO2 |
| GRAHAMS LAW OF DIFFUSION | STATES THAT THE RELATIVE RATES OF DIFFUSION OF A GAS THROUGHT A LIQUID IS INVERSELY PROPORTIONAL TO THE SQUARE ROOT OF THE DENSITIES OR GMW. AS COMPOUNDS GET HEAVIER THE DIFFSUISON GETS SLOWER |
| FICKS LAW OF DIFFUSION | DESCRIBES A BULK MOVEMENT OF GAS THROUGH A BIOLOGICAL MEMBRANE. THERE ARE 4 VARIABLES THAT GO ALONG WITH FICKS. 1) CROSS SECTIONAL AREA 2) DIFFUSION COEFFIENT OF GAS 3) THICKNESS OF MEMBRANE 4) PRESSURE GRADIENT ACROSS THE MEMBRANE. AXD(P1-P2)/THICKNESS |
| MOLARITY AND NORMALITY- SOLUTION | A SUBSTANCE FORMED BY THE MIXTURE OF ONE OR MORE SOLUTES AND A SOLVENT |
| SOLUTE | THE SUBSTANCE BEING DISSOLVED |
| SOLVENT | THE MEDIUM IN WHICH THE SOLUTE IS DISSOLVED IN |
| A MOLE | IS THE QUANTITY OF A SUBSTANCE WHOSE WEIGHT IN GRAMS IS NUMERICALLY EQUAL TO THE SUBSTANCE MOLECULAR WEIGHT IN ATOMIC MASS UNITS (AMU) |
| THE MATHMATICAL EQUATION FOR PH | -LOG[H+] |
| NORMAL RANGES FOR ABG'S | PH LEVEL=7.35-7.45 CO2 LEVEL=35-45TORR HCO3 LEVEL = 22-26 PAO2 LEVEL=80-100TORR SAO2= >95% |
| ALVEOLAR AIR EQUATION | .FIO2(Pb-PH20)-PaCo2 (1.25) WATER VAPOR PRESSURE AT BODY TEMP. IS 47 TORR AND BODY TEMP IN CELCIUS IS 37 DEGREES |
| P(A-a) | IS THE pA02-pa02 is the gradient from the alveoli to the artery. Normal DIFFERENCE IS 15-25 TORR |
| HENDERSON HASSELBALCH EQUATION | PH=6.1+LOG[HCO3]/(PCO2)(0.03) THIS EQUATION IS HELPED TO TEST THE RELIABILIYT OF YOUR EQUIPMENT |
| DENSITY FOR SOLID AND LIQUID | D=M/V FOR SOLIDS AND LIQUIDS |
| DENSITY FOR GAS | D=M/V BUT THE VOLUME IS ALWAYS 22.4L OR MOLES AT STP AND THE MASS IS THE GRAM MOLECULAR WEIGHT |
| DENSITY OF 02 | 1.4 g/l |
| DENSITY OF AIR | 1.29G/L |
| DENISTY OF CO2 | 1.96G/L |
| SPECIFIC GRAVITY | COMPARES THE DENSITY TO AIR OR WATER. FOR GAS YOU COMPARE THE DENSITY OF THE SUBJECT TO THAT OF AIR OR 1.96 G/L AND FOR SOLIDS AND LIQUIDS YOU COMPARE THE DENSITY OF THE SUBJECT TO THAT OF WATER OR 1G/L |
| THERMAL ENERGY | KINETIC ENGERGY + POTENTIAL ENERGY TOGETHER |
| TEMPERATURE | IS THE AVERAGE KINETIC ENERGY |
| EQUATION FOR FAHRENHEIT | F=1.8(C)+ 32 |
| EQUATION FOR CELCIUS | C=5/9(F-32) |
| EQUATION FOR KELVIN | K=C+273 OR VISE VERA C=K-273 |
| BOILING POINT FOR FAHRENHEIT | 212 DEGREES |
| FREEZING POINT FOR FAHRENHEIT | 32 DEGREES |
| BOILING POINT FOR CELCIUS | 100 DEGREES |
| FREEZING POINT FOR CELCIUS | O DEGREES |
| BOILING POINT FOR KELVIN | 373 DEGREES |
| FREEZING POINT FOR KELVIN | 273 DEGREES |
Created by:
pearlekg
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