Mol Oxygen gas generated
by the decomposition of
KCLOz is collected over
H₂O(water). The volume
of oxygen collected at
26° and Atmospheric pressure of 771 is
14lcm3. calculate
the mass (g) of oxggen
gas obtained The
pressure of the water
vapour at 26°C
25.2mmhg​

Write the overall equation for the reaction for lithium battery

Skills of homo sapiens were found an excavation. the skulls were preserved because the bodies were frozen. so, these fossils are (blank) fossils.the image shows the evolution of skulls beginning 2 to 3 million years ago. based on the image, modern human skulls(blank) ape skulls.

Read the chemical equation. 2c2h2 + 5o2 → 4co2 + 2h2o which of the following statements would be correct if one mole of c2h2 was used in this reaction? one mole of oxygen was used in this reaction. five moles of oxygen were used in this reaction. four moles of carbon dioxide were produced from this reaction. two moles of carbon dioxide were produced from this reaction.