A tank contains 250 L of argon gas. The pressure is 8790 kPa and the temperature is 23°C. How many moles of argon are in the tank?

Which two scientific disciplines are bridged by pharmaceutical drugs? chemistry and forensics chemistry and medicine biology and forensics biology and criminology

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?

Arrange the elements in order of increasing electronegativity. use the periodic table to you arrange the elements. p o k mg