Most accidents occur in trenches how deep

One of the few xenon compounds that form is cesium xenon heptafluoride (csxef7). how many moles of csxef7 can be produced from the reaction of 13.0 mol cesium fluoride with 12.5 mol xenon hexafluoride? csf(s) + xef6(s) csxef7(s)

When balancing a chemical equation:

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