Biology

Biology, 17.10.2019 15:30, ariellopez2301

What is the formula for iron (ll) sulfide? ?

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Chemistry, 31.07.2019 17:00, chey1603

In an experiment, you combine 83.77 g of iron with an excess of sulfur and then heat the mixture to obtain iron(iii) sulfide. 2fe(s) + 3s(s) → fe2s3(s) what is the theoretical yield, in grams, of iron(iii) sulfide?

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Chemistry, 12.08.2019 19:20, leomessifanboy678

Write a balanced equation and indicate the reaction type (single or double replacement, decomposition, or composition/synthesis) for each of the following: iron (iii) bromide (aq) + ammonium sulfide (aq) --> iron (iii) sulfide (s) + ammonium bromide (aq) calcium oxide (s) + diphosphorus pentoxide (s) --> calcium phosphate (s) magnesium chloride (aq) + silver nitrate (aq) --> magnesium nitrate (aq) + silver chloride (s) sodium carbonate (aq) + sulfuric acid (aq) --> sodium sulfate (aq) + carbon dioxide (g) + water (l) iron (ii) sulfide (is) + hydrochloric acid (aq) --> iron (ii) chloride (aq) + hydrogen sulfide (g)

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Chemistry, 23.09.2019 15:00, jasmin2344

Calculate the relative formula/atomic mass of each of the following compounds: 1. hydrogen chloride 2 iron sulfide 3. chlorine gas 4. calcium carbonate 5. iron oxide you !

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Biology, 17.10.2019 20:20, Jasten

Directions: the diagram shows a chemistry demonstration. use the diagram to answer any questions that follow. what happened to the substances in the test tube during step 2? group of answer choices the heat started a chemical reaction between the iron and sulfur resulting in the product iron sulfide. the heat started a chemical reaction in the compound iron sulfide. breaking it down to iron and sulfur. the heat started a physical reaction between the iron and sulfur resulting in the product iron sulfide the products iron and sulfur reacted making the reactant iron sulfide.

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