How many moles of water molecules, h2o, are present in a 27 gram sample of water?

allie need to buy at least 12 candles plain candles sell for 4 each and scented candles sell for 7 each she can spend no more than 57

During an Experiment a scientist notes that a sample turned red. which kind of data did the scientist record A. average data B. quantitative data C. measured data D. qualitative data

Which is the correct description of a molecule? it contains two or more elements bonded together. it is an electrically charged atom. it contains more than one atom bonded together by shared electrons. it is the smallest unit of matter?

What r positive ligands?

What is water made of

Two children are playing tag. Child A who is doing the chasing can run 100m in 24 seconds Child B is running away from child A and can run 64m in 21 seconds.

What ion does a base increase

What is the definition of Amplitude?

An excess of NiCO3, 12 g, was added to 40cm cube of sulpheric acid, 2.0 mol/dm cube. The unreacted nickel carbonate was filtered out and the filtrate evaporated to optain the crystals.

Under what condition is decompostion the fastest? Under what condition is it the slowest?