What is it with the name sara these days! ? xd
sara's mom takes the parkway to work. it takes her 30 minutes to travel from mile marker 88 where she enters to her exit at mile marker 121. what is her average speed?

16.5 mph
4.0 mph
33 mph
66 mph

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?

Given the following equation: 2a1 + 3mgcl2 --> 2alcl3 + 3mg how many moles of aluminum chloride are produced from 2.5 moles of magnesium chloride?

The diagrams to the right show the distribution and arrangement of gas particles in two different containers. according to kinetic-molecular theory, which of the following statements is true? check all that apply. if the temperatures of both containers are equal, container a has greater pressure than container b. if the volume of container a decreased, its pressure would decrease. if the pressure in both containers is equal, container a has a lower temperature than container b.