A700.0 ml gas sample at stp is compressed to a volume of 200.0 ml, and the temperature is increased to 30.0 degrees celsius. what is the new pressure of gas at kpa?

Asample of hydrated tin (ii) chloride (sncl2) has a mass of 4.90 g. when it is dehydrated, it has a mass of 4.10 g. which is the correct chemical formula for the hydrate? sncl2•2h2o          sncl2•4h2o          sncl2•6h2o

Which item is most likely part of the safety contract

Which of the following is in the lanthanide family? a) uranium b) promethium c) silver d) gold