Chemistry, 26.06.2019 10:30 JeonTaekook

Which project can be used to determine whether a substance is a liquid or plasma

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Chemistry, 21.06.2019 21:30, taralynnn8870

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Chemistry, 22.06.2019 01:30, kaliloabousjbf

Sulfuric acid (a component of acid rain) reacts with limestone (calcium carbonate) to produce calcium sulfate and carbon dioxide. this damages buildings and statues made of limestone. which solution of sulfuric acid will damage these structures more quickly? a. 0.001% b. 0.005% c. 0.010% d. 0.015%

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Chemistry, 22.06.2019 03:40, allyyzz

Astudent is given a sample of a blue copper sulfate hydrate. he weighs the sample in a dry covered porcelain crucible and got a mass of 23.875 g for the crucible, lid, and sample. the mass of the empty crucible and lid was found earlier to be 22.652 g. he then heats the crucible to expel the water of hydration, keeping the crucible at red heat for 10 minutes with the lid slightly ajar. on colling, he finds the mass of crucible, lid, and contents to be 23.403 g. the sample was changed in the process to very light clue anhydrous cuso4. if there are again 100.0 g of hydrate, how many grams of cuso4 are in it? how many moles of cuso4? (hint: molar mass of cuso4 = 159.6 g / mole. what per cent of the hydrate is cuso4? you may convert the mass of cuso4 to moles.)

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Chemistry, 22.06.2019 08:40, jeffcarpenter

What is the value of keq for the reaction expressed in scientific notation?

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Which project can be used to determine whether a substance is a liquid or plasma...