diff --git a/test/multiphase/multiphaseEuler/interfaceComposition/waterAndIsopropanolEvaporation/constant/physicalProperties.gas.orig b/test/multiphase/multiphaseEuler/interfaceComposition/waterAndIsopropanolEvaporation/constant/physicalProperties.gas.orig
index 31d417b512..1116138c24 100644
--- a/test/multiphase/multiphaseEuler/interfaceComposition/waterAndIsopropanolEvaporation/constant/physicalProperties.gas.orig
+++ b/test/multiphase/multiphaseEuler/interfaceComposition/waterAndIsopropanolEvaporation/constant/physicalProperties.gas.orig
@@ -43,10 +43,10 @@ air
     thermodynamics
     {
         Tlow            200;
-        Thigh           3500;
+        Thigh           3000;
         Tcommon         1000;
-        highCpCoeffs    ( 3.57304 -7.24383e-04 1.67022e-06 -1.26501e-10 -4.20580e-13 -1047.41 3.12431 );
-        lowCpCoeffs     ( 3.09589 1.22835e-03 -4.14267e-07 6.56910e-11 -3.87021e-15 -983.191 5.34161 );
+        highCpCoeffs    ( 3.05809 0.00133634 -4.73394e-07 7.38653e-11 -3.34205e-15 -972.89 6.09034 );
+        lowCpCoeffs     ( 3.393 0.000544363 -1.24622e-06 2.65579e-09 -1.35538e-12 -1029.28 4.43259 );
     }
     transport
     {
diff --git a/test/multiphase/multiphaseEuler/interfaceComposition/waterEvaporation/constant/physicalProperties.gas.orig b/test/multiphase/multiphaseEuler/interfaceComposition/waterEvaporation/constant/physicalProperties.gas.orig
index 60a68c351a..3824d3204d 100644
--- a/test/multiphase/multiphaseEuler/interfaceComposition/waterEvaporation/constant/physicalProperties.gas.orig
+++ b/test/multiphase/multiphaseEuler/interfaceComposition/waterEvaporation/constant/physicalProperties.gas.orig
@@ -63,10 +63,10 @@ air
     thermodynamics
     {
         Tlow            200;
-        Thigh           3500;
+        Thigh           3000;
         Tcommon         1000;
-        highCpCoeffs    ( 3.57304 -7.24383e-04 1.67022e-06 -1.26501e-10 -4.20580e-13 -1047.41 3.12431 );
-        lowCpCoeffs     ( 3.09589 1.22835e-03 -4.14267e-07 6.56910e-11 -3.87021e-15 -983.191 5.34161 );
+        highCpCoeffs    ( 3.05809 0.00133634 -4.73394e-07 7.38653e-11 -3.34205e-15 -972.89 6.09034 );
+        lowCpCoeffs     ( 3.393 0.000544363 -1.24622e-06 2.65579e-09 -1.35538e-12 -1029.28 4.43259 );
     }
     transport
     {
diff --git a/tutorials/modules/multiRegion/CHT/heatExchanger/constant/air/physicalProperties b/tutorials/modules/multiRegion/CHT/heatExchanger/constant/air/physicalProperties
index c90ec826c4..e5db1b95c7 100644
--- a/tutorials/modules/multiRegion/CHT/heatExchanger/constant/air/physicalProperties
+++ b/tutorials/modules/multiRegion/CHT/heatExchanger/constant/air/physicalProperties
@@ -35,10 +35,10 @@ mixture
     thermodynamics
     {
         Tlow            200;
-        Thigh           3500;
+        Thigh           3000;
         Tcommon         1000;
-        highCpCoeffs    ( 3.57304 -7.24383e-04 1.67022e-06 -1.26501e-10 -4.20580e-13 -1047.41 3.12431 );
-        lowCpCoeffs     ( 3.09589 1.22835e-03 -4.14267e-07 6.56910e-11 -3.87021e-15 -983.191 5.34161 );
+        highCpCoeffs    ( 3.05809 0.00133634 -4.73394e-07 7.38653e-11 -3.34205e-15 -972.89 6.09034 );
+        lowCpCoeffs     ( 3.393 0.000544363 -1.24622e-06 2.65579e-09 -1.35538e-12 -1029.28 4.43259 );
     }
     transport
     {
diff --git a/tutorials/modules/multicomponentFluid/parcelInBox/constant/speciesThermo b/tutorials/modules/multicomponentFluid/parcelInBox/constant/speciesThermo
index 1995d17ee4..37259b587e 100644
--- a/tutorials/modules/multicomponentFluid/parcelInBox/constant/speciesThermo
+++ b/tutorials/modules/multicomponentFluid/parcelInBox/constant/speciesThermo
@@ -22,10 +22,10 @@ air
     thermodynamics
     {
         Tlow            200;
-        Thigh           3500;
+        Thigh           3000;
         Tcommon         1000;
-        highCpCoeffs    ( 3.57304 -7.24383e-04 1.67022e-06 -1.26501e-10 -4.20580e-13 -1047.41 3.12431 );
-        lowCpCoeffs     ( 3.09589 1.22835e-03 -4.14267e-07 6.56910e-11 -3.87021e-15 -983.191 5.34161 );
+        highCpCoeffs    ( 3.05809 0.00133634 -4.73394e-07 7.38653e-11 -3.34205e-15 -972.89 6.09034 );
+        lowCpCoeffs     ( 3.393 0.000544363 -1.24622e-06 2.65579e-09 -1.35538e-12 -1029.28 4.43259 );
     }
     transport
     {
diff --git a/tutorials/modules/multicomponentFluid/verticalChannel/constant/speciesThermo b/tutorials/modules/multicomponentFluid/verticalChannel/constant/speciesThermo
index 1995d17ee4..37259b587e 100644
--- a/tutorials/modules/multicomponentFluid/verticalChannel/constant/speciesThermo
+++ b/tutorials/modules/multicomponentFluid/verticalChannel/constant/speciesThermo
@@ -22,10 +22,10 @@ air
     thermodynamics
     {
         Tlow            200;
-        Thigh           3500;
+        Thigh           3000;
         Tcommon         1000;
-        highCpCoeffs    ( 3.57304 -7.24383e-04 1.67022e-06 -1.26501e-10 -4.20580e-13 -1047.41 3.12431 );
-        lowCpCoeffs     ( 3.09589 1.22835e-03 -4.14267e-07 6.56910e-11 -3.87021e-15 -983.191 5.34161 );
+        highCpCoeffs    ( 3.05809 0.00133634 -4.73394e-07 7.38653e-11 -3.34205e-15 -972.89 6.09034 );
+        lowCpCoeffs     ( 3.393 0.000544363 -1.24622e-06 2.65579e-09 -1.35538e-12 -1029.28 4.43259 );
     }
     transport
     {
diff --git a/tutorials/modules/multicomponentFluid/verticalChannelLTS/constant/speciesThermo b/tutorials/modules/multicomponentFluid/verticalChannelLTS/constant/speciesThermo
index 1995d17ee4..37259b587e 100644
--- a/tutorials/modules/multicomponentFluid/verticalChannelLTS/constant/speciesThermo
+++ b/tutorials/modules/multicomponentFluid/verticalChannelLTS/constant/speciesThermo
@@ -22,10 +22,10 @@ air
     thermodynamics
     {
         Tlow            200;
-        Thigh           3500;
+        Thigh           3000;
         Tcommon         1000;
-        highCpCoeffs    ( 3.57304 -7.24383e-04 1.67022e-06 -1.26501e-10 -4.20580e-13 -1047.41 3.12431 );
-        lowCpCoeffs     ( 3.09589 1.22835e-03 -4.14267e-07 6.56910e-11 -3.87021e-15 -983.191 5.34161 );
+        highCpCoeffs    ( 3.05809 0.00133634 -4.73394e-07 7.38653e-11 -3.34205e-15 -972.89 6.09034 );
+        lowCpCoeffs     ( 3.393 0.000544363 -1.24622e-06 2.65579e-09 -1.35538e-12 -1029.28 4.43259 );
     }
     transport
     {
diff --git a/tutorials/modules/multicomponentFluid/verticalChannelSteady/constant/speciesThermo b/tutorials/modules/multicomponentFluid/verticalChannelSteady/constant/speciesThermo
index 1995d17ee4..37259b587e 100644
--- a/tutorials/modules/multicomponentFluid/verticalChannelSteady/constant/speciesThermo
+++ b/tutorials/modules/multicomponentFluid/verticalChannelSteady/constant/speciesThermo
@@ -22,10 +22,10 @@ air
     thermodynamics
     {
         Tlow            200;
-        Thigh           3500;
+        Thigh           3000;
         Tcommon         1000;
-        highCpCoeffs    ( 3.57304 -7.24383e-04 1.67022e-06 -1.26501e-10 -4.20580e-13 -1047.41 3.12431 );
-        lowCpCoeffs     ( 3.09589 1.22835e-03 -4.14267e-07 6.56910e-11 -3.87021e-15 -983.191 5.34161 );
+        highCpCoeffs    ( 3.05809 0.00133634 -4.73394e-07 7.38653e-11 -3.34205e-15 -972.89 6.09034 );
+        lowCpCoeffs     ( 3.393 0.000544363 -1.24622e-06 2.65579e-09 -1.35538e-12 -1029.28 4.43259 );
     }
     transport
     {
diff --git a/tutorials/modules/multiphaseEuler/bubbleColumnEvaporating/constant/physicalProperties.gas b/tutorials/modules/multiphaseEuler/bubbleColumnEvaporating/constant/physicalProperties.gas
index 60a68c351a..3824d3204d 100644
--- a/tutorials/modules/multiphaseEuler/bubbleColumnEvaporating/constant/physicalProperties.gas
+++ b/tutorials/modules/multiphaseEuler/bubbleColumnEvaporating/constant/physicalProperties.gas
@@ -63,10 +63,10 @@ air
     thermodynamics
     {
         Tlow            200;
-        Thigh           3500;
+        Thigh           3000;
         Tcommon         1000;
-        highCpCoeffs    ( 3.57304 -7.24383e-04 1.67022e-06 -1.26501e-10 -4.20580e-13 -1047.41 3.12431 );
-        lowCpCoeffs     ( 3.09589 1.22835e-03 -4.14267e-07 6.56910e-11 -3.87021e-15 -983.191 5.34161 );
+        highCpCoeffs    ( 3.05809 0.00133634 -4.73394e-07 7.38653e-11 -3.34205e-15 -972.89 6.09034 );
+        lowCpCoeffs     ( 3.393 0.000544363 -1.24622e-06 2.65579e-09 -1.35538e-12 -1029.28 4.43259 );
     }
     transport
     {
diff --git a/tutorials/modules/multiphaseEuler/bubbleColumnEvaporatingReacting/0/AIR.gas b/tutorials/modules/multiphaseEuler/bubbleColumnEvaporatingReacting/0/air.gas
similarity index 97%
rename from tutorials/modules/multiphaseEuler/bubbleColumnEvaporatingReacting/0/AIR.gas
rename to tutorials/modules/multiphaseEuler/bubbleColumnEvaporatingReacting/0/air.gas
index da0c38f988..6207987aae 100644
--- a/tutorials/modules/multiphaseEuler/bubbleColumnEvaporatingReacting/0/AIR.gas
+++ b/tutorials/modules/multiphaseEuler/bubbleColumnEvaporatingReacting/0/air.gas
@@ -10,7 +10,7 @@ FoamFile
     format      ascii;
     class       volScalarField;
     location    "0";
-    object      AIR.gas;
+    object      air.gas;
 }
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
diff --git a/tutorials/modules/multiphaseEuler/bubbleColumnEvaporatingReacting/constant/physicalProperties.gas b/tutorials/modules/multiphaseEuler/bubbleColumnEvaporatingReacting/constant/physicalProperties.gas
index 3dacf66717..28e80d9d5f 100644
--- a/tutorials/modules/multiphaseEuler/bubbleColumnEvaporatingReacting/constant/physicalProperties.gas
+++ b/tutorials/modules/multiphaseEuler/bubbleColumnEvaporatingReacting/constant/physicalProperties.gas
@@ -25,7 +25,7 @@ thermoType
     energy          sensibleInternalEnergy;
 }
 
-defaultSpecie AIR;
+defaultSpecie air;
 
 #include "thermo.gas"
 
diff --git a/tutorials/modules/multiphaseEuler/bubbleColumnEvaporatingReacting/constant/thermo.gas b/tutorials/modules/multiphaseEuler/bubbleColumnEvaporatingReacting/constant/thermo.gas
index e558ad4bd1..1dbc068ab0 100644
--- a/tutorials/modules/multiphaseEuler/bubbleColumnEvaporatingReacting/constant/thermo.gas
+++ b/tutorials/modules/multiphaseEuler/bubbleColumnEvaporatingReacting/constant/thermo.gas
@@ -4,7 +4,7 @@ species
     CO2
     H2
     H2O
-    AIR
+    air
 );
 
 CO
@@ -91,7 +91,7 @@ H2O
     }
 }
 
-AIR
+air
 {
     specie
     {
@@ -100,10 +100,10 @@ AIR
     thermodynamics
     {
         Tlow            200;
-        Thigh           3500;
+        Thigh           3000;
         Tcommon         1000;
-        highCpCoeffs    ( 3.57304 -7.24383e-04 1.67022e-06 -1.26501e-10 -4.20580e-13 -1047.41 3.12431 );
-        lowCpCoeffs     ( 3.09589 1.22835e-03 -4.14267e-07 6.56910e-11 -3.87021e-15 -983.191 5.34161 );
+        highCpCoeffs    ( 3.05809 0.00133634 -4.73394e-07 7.38653e-11 -3.34205e-15 -972.89 6.09034 );
+        lowCpCoeffs     ( 3.393 0.000544363 -1.24622e-06 2.65579e-09 -1.35538e-12 -1029.28 4.43259 );
     }
     transport
     {
diff --git a/tutorials/modules/multiphaseEuler/titaniaSynthesisSurface/constant/thermo.vapour b/tutorials/modules/multiphaseEuler/titaniaSynthesisSurface/constant/thermo.vapour
index 3ff7b38ce9..81dd35f39b 100644
--- a/tutorials/modules/multiphaseEuler/titaniaSynthesisSurface/constant/thermo.vapour
+++ b/tutorials/modules/multiphaseEuler/titaniaSynthesisSurface/constant/thermo.vapour
@@ -134,7 +134,7 @@ TiO2
 
 TiO2_s
 {
-    $TiO2
+    $TiO2;
 }
 
 Cl2