Name the three methods by which heat can be transferred and give an example for each

Why are pipes bursting in the in extremely cold weather?

What is the independent variable in this investigation? mass volume sample number substance density

Imagine that twenty i.u.’s of enzyme z were catalyzing the above reaction for one minute, under vmaxconditions, in a 3.00 ml assay volume. the assay is buffered with 20 mm phosphate buffer, ph 7.60. what will the ph be at the end of that one minute?