Span Hydrotech Interview Questions and Answers

Organic chemistry allows for a deeper understanding of the compounds that make up living organisms and their interactions.

• Organic chemistry is essential for understanding the structure and function of biological molecules.

• It provides insights into drug design and development, as many pharmaceuticals are organic compounds.

• Organic chemistry is crucial in fields such as biochemistry, medicine, and environmental science.

• St...read more

HCl is more heavy than water.

• Hydrochloric acid (HCl) has a higher molecular weight than water (H2O).

• The molecular weight of HCl is approximately 36.46 g/mol, while the molecular weight of water is 18.015 g/mol.

• Therefore, HCl is more heavy than water.

The molecular formula of NaOH is calculated by determining the atomic masses of each element and combining them in the correct ratio.

• Find the atomic mass of Na (sodium) which is 22.99 g/mol

• Find the atomic mass of O (oxygen) which is 16.00 g/mol

• Combine the elements in the correct ratio based on their atomic masses to get the molecular formula NaOH

Saturated chemicals have all single bonds, while unsaturated chemicals have at least one double or triple bond.

• Saturated chemicals have all single bonds between carbon atoms

• Unsaturated chemicals have at least one double or triple bond between carbon atoms

• Saturated fats are solid at room temperature, while unsaturated fats are liquid

• Examples of saturated chemicals include saturated fats like butter and lard

• Examples of u...read more