Tuesday: When does a hypothesis become a theory? Wednesday: Why is it important to have controls in your experiment?

Thursday: What units do we use to measure mass? Volume? Density?

Friday: Find the Density of an object with a Mass of 20g, and a Volume of 5 ml.

D=?

M=20g

V=5ml

Alarge marble is dropped in a graduated cylinder with 35ml of water in it.the water level increases to 49ml.what is the volume of the marble

In a spacecraft, the following reaction occurs: co2(g) + 2lioh(s) -> lico3(s) + h2o(i) (i attached picture of equation) how many liters of carbon dioxide will 4 moles of lithium hydroxide (lioh) absorb? (one mole of any gads occupies 22.4 l under certain conditions of temperature and pressure. assume those conditions for this equation.) 45l 6.0l 3.0l 34l

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