•7: an unknown element is shiny and found to be a good conductor
of electricity. name 2 other possible physical properties and 1
possible chemical property of this material.

Which statement about the stamps is correct?

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?

Ascientist measures the speed of sound in a monatomic gas to be 449 m/s at 20∘c. what is the molar mass of this gas?