Q2. A sample of pure Mg(NO3)2 was decomposed by heating as shown in the equation below.
Give yo
The ga:
(a)
2Mg(NO3)2(s) - 2MgO(s) + 4NO2(g) + O2(g)
A 3.74 x 10-2 g sample of Mg(NO3)2 was completely decomposed by
heating
Calculate the total volume, in cm, of gas produced at 60.0 °C and 100 kPa.
Give your answer to the appropriate number of significant figures.
The gas constant R= 8.31 J K-mol-1.

The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the independent variable in galileo's experiment? a. the speed of the ball b. the slope of the plane c. whether the ball moved d. what the ball was made of