Compare the viscosity of n-pentane, CH3CH2CH2CH2CH3 C H 3 C H 2 C H 2 C H 2 C H 3 , to the viscosity of n-hexane, CH3CH2CH2CH2CH2CH3 C H 3 C H 2 C H 2 C H 2 C H 2 C H 3 . Match the words in the left column to the appropriate blanks in the sentences on the right. Make certain each sentence is complete before submitting your answer.

Melting and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.

Find the number of grams of hcl needed to react completely with .50 moles of magnesium.

Consider the following reaction at equilibrium. 2co2 (g) 2co (g) + o2 (g) h° = -514 kj le châtelier's principle predicts that the equilibrium partial pressure of co (g) can be maximized by carrying out the reaction a. at high temperature and high pressure b. at high temperature and low pressure c. at low temperature and low pressure d. at low temperature and high pressure e. in the presence of solid carbon