Titration Lab: NaOH with Standardized solution of KHP

Aim To standardize a sodium hydroxide (NaOH) solution against a primary standard acid [Potassium Hydrogen Phthalate (KHP)] using phenolphthalein as an indicator. Variables Independent variables Mass of KHP (mKHP) Volume of KHP solution Dependent variables Volume of NaOH added [since the colour change will not happen at exactly the same volume of NaOH added (VNaOH)]…

Global Warming, Sea Level Rise and Bangladesh

The global average air and ocean temperatures have been gradually increasing from 1880-2010 (Fig.1) This increase in temperature melted a massive amount of ice and snow globally which ultimately, caused the global average sea level to also rise (Fig.2). The Earth’s average surface temperature rose by 0.74 ± 0.18°C over the period 1906–2005.  Global average…

Histology: Labelled Slides

Aorta Basophils Cardiac Muscle Cardiac Muscle Longtudinal Cerebellar Cortex Cerebral Cortex Spinal Cord Eosinophils Epiphyseal plate Femoral Artery Femoral Vein Howship’s lacunae Jejunum lamina propria Liver Lymph node Lymphocyte Monocyte Spinal cord (silver) Neutrophil Pacinian corpuscle Peripheral Nerve Peripheral Nerve 2 Respiratory Epithelium Spinal cord (silver) 2 Simple Cuboidal Epithelium Simple Columnar Epithelium Skeletal Muscle…

Periodic Table Families: Properties & Uses

Metalloids: Are the least common type of elements, their properties are a mix of nonmetal and metal properties. The metalloids are hybrid elements. Perhaps the most important characteristic of metalloids is that they partially conduct electricity for semi-conductors. Nonmetals: Are opposites of metals, that’s why they are called nonmetals (not metals). They are not malleable…

Global Health in Developing Nations

Current global population and impact of growing population in developing countries As global populations expand and shift, the healthcare sector is coming under increased pressure. In the developed world, aging populations and extended life expectancy have led to an increasing prevalence of chronic, expensive to treat diseases and disabilities and a growing shortage of healthcare…