total heat needed & entropy change

1 files changed, 118 insertions, 0 deletions

diff --git a/headers/baseElement.h b/headers/baseElement.h
new file mode 100644
index 0000000..fd77194
--- /dev/null
+++ b/headers/baseElement.h
@@ -0,0 +1,118 @@
+#ifndef BASEELEMENT_H_INCLUDED
+#define BASEELEMENT_H_INCLUDED
+
+
+#include <iostream>
+#include <math.h>
+using namespace std;
+
+class baseElement
+{
+private:
+    string elementName;
+    double latentHeatOfFusion;
+    double latentHeatOfVaporization;
+    double specificHeatSolid;
+    double specificHeatLiquid;
+    double specificHeatGas;
+    double meltingPoint;
+    double boilingPoint;
+
+protected:
+    void setElementName(string value) { elementName = value; }
+    void setLatentHeatOfFusion(double value) { latentHeatOfFusion = value; }
+    void setLatentHeatOfVaporization(double value) { latentHeatOfVaporization = value; }
+    void setSpecificHeatSolid(double value) { specificHeatSolid = value; }
+    void setSpecificHeatLiquid(double value) { specificHeatLiquid = value; }
+    void setSpecificHeatGas(double value) { specificHeatGas = value; }
+    void setMeltingPoint(double value) { meltingPoint = value; }
+    void setBoilingPoint(double value) { boilingPoint = value; }
+
+public:
+    string getElementName() { return elementName; }
+    double getLatentHeatOfFusion() { return latentHeatOfFusion; }
+    double getLatentHeatOfVaporization() { return latentHeatOfVaporization; }
+    double getSpecificHeatSolid() { return specificHeatSolid; }
+    double getSpecificHeatLiquid() { return specificHeatLiquid; }
+    double getSpecificHeatGas() { return specificHeatGas; }
+    double getMeltingPoint() { return meltingPoint; }
+    double getBoilingPoint() { return boilingPoint; }
+
+    double totalHeatNeeded(double mass, double fromTemp, double toTemp)
+    {
+        double totalHeat = 0;
+        if (fromTemp <= meltingPoint && toTemp <= meltingPoint)
+        {
+            totalHeat = mass * specificHeatSolid * (toTemp - fromTemp);
+        }
+        else if (fromTemp <= meltingPoint && toTemp >= meltingPoint && toTemp <= boilingPoint)
+        {
+            totalHeat = mass * specificHeatSolid * (meltingPoint - fromTemp);
+            totalHeat += mass * latentHeatOfFusion / meltingPoint;
+            totalHeat += mass * specificHeatLiquid * (toTemp - meltingPoint);
+        }
+        else if (fromTemp <= meltingPoint && toTemp >= boilingPoint)
+        {
+            totalHeat = mass * specificHeatSolid * (meltingPoint - fromTemp);
+            totalHeat += mass * latentHeatOfFusion;
+            totalHeat += mass * specificHeatLiquid * (boilingPoint - meltingPoint);
+            totalHeat += mass * latentHeatOfVaporization;
+            totalHeat += mass * specificHeatGas * (toTemp - boilingPoint);
+        }
+        else if (fromTemp >= meltingPoint && fromTemp <= boilingPoint && toTemp >= meltingPoint && toTemp <= boilingPoint)
+        {
+            totalHeat = mass * specificHeatLiquid * (toTemp - fromTemp);
+        }
+        else if (fromTemp >= meltingPoint && fromTemp <= boilingPoint && toTemp >= boilingPoint)
+        {
+            totalHeat = mass * specificHeatLiquid * (boilingPoint - fromTemp);
+            totalHeat += mass * latentHeatOfVaporization;
+            totalHeat += mass * specificHeatGas * (toTemp - boilingPoint);
+        }
+        else if (fromTemp >= boilingPoint && toTemp >= boilingPoint)
+        {
+            totalHeat = mass * specificHeatGas * (toTemp - fromTemp);
+        }
+        return totalHeat;
+    }
+
+    double totalEntropyChange(double mass, double fromTemp, double toTemp)
+    {
+        double totalEntropy = 0;
+        if (fromTemp <= meltingPoint && toTemp <= meltingPoint)
+        {
+            totalEntropy = mass * specificHeatSolid * log(toTemp / fromTemp);
+        }
+        else if (fromTemp <= meltingPoint && toTemp >= meltingPoint && toTemp <= boilingPoint)
+        {
+            totalEntropy = mass * specificHeatSolid * log(meltingPoint / fromTemp);
+            totalEntropy += mass * latentHeatOfFusion / meltingPoint;
+            totalEntropy += mass * specificHeatLiquid * log(toTemp / meltingPoint);
+        }
+        else if (fromTemp <= meltingPoint && toTemp >= boilingPoint)
+        {
+            totalEntropy = mass * specificHeatSolid * log(meltingPoint / fromTemp);
+            totalEntropy += mass * latentHeatOfFusion;
+            totalEntropy += mass * specificHeatLiquid * log(boilingPoint / meltingPoint);
+            totalEntropy += mass * latentHeatOfVaporization;
+            totalEntropy += mass * specificHeatGas * log(toTemp / boilingPoint);
+        }
+        else if (fromTemp >= meltingPoint && fromTemp <= boilingPoint && toTemp >= meltingPoint && toTemp <= boilingPoint)
+        {
+            totalEntropy = mass * specificHeatLiquid * log(toTemp / fromTemp);
+        }
+        else if (fromTemp >= meltingPoint && fromTemp <= boilingPoint && toTemp >= boilingPoint)
+        {
+            totalEntropy = mass * specificHeatLiquid * log(boilingPoint / fromTemp);
+            totalEntropy += mass * latentHeatOfVaporization;
+            totalEntropy += mass * specificHeatGas * log(toTemp / boilingPoint);
+        }
+        else if (fromTemp >= boilingPoint && toTemp >= boilingPoint)
+        {
+            totalEntropy = mass * specificHeatGas * log(toTemp / fromTemp);
+        }
+        return totalEntropy;
+    }
+};
+
+#endif // BASEELEMENT_H_INCLUDED