What would be the greatest difference in using an open ceramic coffee mug rather than an insulated mug with a lid as a calorimeter?

How have the greenhouse gasses increased from the year 2000 to 2018

What is the percent composition of ca(oh)2? 37.7% ca, 53.0% o, and 10.3% h 45.5% ca, 38.2% o, and 16.3% h 54.0% ca, 43.0% o, and 2.7% h 64.7% ca, 27.0% o, and 8.3% h

If maltose undergoes hydrolysis what subunits does it results to?