admin

December 21, 2019

ENZYMES

ENZYMES Enzymes: Temperature, pH, and Specificity Hands-on labs, inc. Version 42-0054-00-01 Review the safety materials and wear goggles when working with chemicals. Read the entire exercise before you begin. Take time to organize the materials you will need and set aside a safe work space in which to complete the […]
December 21, 2019

Gas Evolution reaction lab report

Gas Evolution reaction lab report I. Background / Theory Many metals react with acids to produce hydrogen gas. These reactions are REDOX, gas evolution reactions. The metal atoms lose electrons to become metal ions. The hydrogen ions (from the acid) gain electrons to become hydrogen atoms, and two hydrogen atoms […]
December 21, 2019

Quantitative Spectroscope and Visible Light

Quantitative Spectroscope and Visible Light Quantitative Spectroscope and Visible Light Hands-On Labs Version 42-0305-00-01 Review the safety materials and wear goggles when working with chemicals. Read the entire exercise before you begin. Take time to organize the materials you will need and set aside a safe work space in which […]
December 21, 2019

Stoichiometry And A Precipitation Reaction

Stoichiometry And A Precipitation Reaction Review the following reaction, where sodium carbonate and calcium chloride dihydrate react in an aqueous solution to create calcium carbonate (solid precipitate formed in the reaction), a salt (sodium chloride), and water. Na2CO3(aq) + CaCl2⋅2H2O → CaCO3(s) + 2NaCl(aq) + 2H2O(aq) Na2CO3(aq) + CaCl2⋅2H2O → […]