Metal A with halogen X forms a compound with the chemical formula AX2. This composition is due to heat, respectively
Reaction: (g) 22AX (s) + X → (s) 22AX 9 g of /, decomposes.
Whenever 91 2AX completely decomposes
Og/and 21 AX 29 ml of gas / and 12 2X. The atomic mass of
halogen X is many times the atomic mass of metal
A) Consider 12 liters.

How to convert a density of 0.791g/cm3 to lb/ft3

Agroup of students is studying convection current. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other is in an area with warm air. after 10 minutes, the balloon are released from a height of 1 meter. which of the following to the students most likely observe? a) the warm balloon expands and rises. the cold balloon shrinks and sinks b) the balloon both rise. the cold balloon is larger than the warm balloon c) the cold balloon expands and rises. the warm balloon shrinks and sinks d) the balloon rise at the same rate. both balloons are the same size

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.