Số hạt notron có trong 8,4gam Fe là

The enthalpy of formation of water is -285.8 kj/mol. what can be inferred from this statement?

Use examples from the article to explain one positive and one negative effect that chemistry has had on society.

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?