Chemistry, 02.12.2020 19:00 ibrain856

it was believed that earth was a stationary object at the center of the universe all other objects in space without to go around earth which of these is a criticism of this idea

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Chemistry, 22.06.2019 11:40, vlout

Consider this equilibrium: n29) + o2(g) + 2no(c).nitrogen gas and oxygen gas react when placed in a closed container. as the reaction proceeds towards equilibrium, what happens to the rate of thereverse reaction?

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Chemistry, 22.06.2019 18:30, chinadoll24

Asample of hydrated tin (ii) chloride (sncl2) has a mass of 4.90 g. when it is dehydrated, it has a mass of 4.10 g. which is the correct chemical formula for the hydrate? sncl2•2h2o sncl2•4h2o sncl2•6h2o

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What is the indicator of the number of ions in solution? the amount of conductivity the amount of precipitate the amount of solute added

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Chemistry, 22.06.2019 22:30, skinniestoflegends

Consider a culture medium on which only gram-positive organisms such as staphylococcus aureus colonies can grow due to an elevated nacl level. a yellow halo surrounds the growth, indicating the bacterium fermented a sugar in the medium, decreasing the ph as a result and changing the color of a ph indicator chemical. this type of medium would be referred to as a differential and enrichment culture.

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it was believed that earth was a stationary object at the center of the universe all other objects i...