A sample of gas X has a mass of 13.5 g and a volume of 175 cm", what is the density of gas X?

Explain that newton first law,second law and third law of motion?

Word equation for k+ h2o yield koh + h2

For the reaction shown, calculate how many moles of no2 form when each of the following completely reacts. 2n2o5(g)→4no2(g)+o2(g) part a 1.0 mol n2o5 express your answer using two significant figures. nothing mol m o l request answer part b 5.4 mol n2o5 express your answer using two significant figures.