This video outlines the procedures for calculating the activation energy of a reaction using Excel. By determining the slope of the best fit line for natural log (ln) of the rate constant (k) versus reciprocal temperature (1/T), the activation energy can be determined.
Flour is the most common mis-measured ingredient. When measuring flour, use the âspoon & levelâ method. Do not scoop the flour out of the container/bag with your measuring cup. Believe me, I catch myself doing it often! Scoop the flour and you could end up with 150% of the correct measurement. Rather, using a spoon, scoop the flour into the measuring cup. Do not pack the flour down and do not tap the measuring cupâ both cause the flour to settle in the cup. After youâve spooned the flour into the measuring cup, use the back of a knife to level off the top of the measuring cup.
1 All-Purpose Flour, a blend of hard and soft wheat flours, is suitable for yeast breads as well as quick breads and most cakes. 2  Bread Flour, with its high gluten content, results in bread with good volume.read Making Tips Always store flour in an airtight container in a cool, dry place. For long-term storage, store flour and yeast in refrigerator or freezer. To measure flour, spoon it lightly into a dry measuring cup and level with a spatula. Use the Grain Mill to grind whole wheat berries and other grains into flour.