Helpp!!
how much energy is required to heat up 100.0 grams of water from 0.000C to 60.00C?

Endeleev saw trends in the physical and chemical properties of elements when he organized them by

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?

Sum of brother and sisters age is 26. four times the brothers age is subtracted from three times the sisters age, the difference is 8. what are the ages of the brother and sister?