Equalize the reaction levels and name the compounds formed after the reaction: Ca + O2>

K + S>

Al + Cl2>

H2 + O2>

Cl2 + O2> Cl2 O5

Using data from seismic waves, geologists have learned that earth’s interior is made up of several

Which element is least likely to undergo a chemical reaction

Before it was launched, a helium-filled balloon had a pressure of 201 kpa at a temperature of 27°c. at an altitude of 15,000 m, the pressure had decreased to 2.5 kpa and the temperature had dropped to -14 °c. the volume of the balloon increased to 59.3 m3. what is the original volume of the balloon? 13 m3 0.85 m3 0.077 m3 1.17 m3