The reaction between aluminum and an aqueous solution of copper (II) sulfate is represented by the reaction: 2 Al(s) + 3CuSO4 (aq) → Al2(SO4)3 (aq) + 2Cu (s) Decomposition Single replacement Double replacement or Synthesis

A+b→2c when the reaction begins, the researcher records that the rate of reaction is such that 1 mole of a is consumed per minute. after making changes to the reaction, the researcher notes that 2 moles of a are consumed per minute. what change could the researcher have made to effect this change?

Write the chemical symbols for three different atoms or atomic cations with 27 electrons. asap!

Suppose a lab group reports a ppercent yield of sand of 105. is it really possible to collect more sand than was originally represented? what is the possible explanation for the extra product?