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Math Complete Test With Solutions 2024.
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Math Complete Test With Solutions 2024. Electrolysis breaks down water to form hydrogen and oxygen gas. The word equation that represents this reaction is: water - ANSWER hydrogen+ oxygen A bright light is produced when magnesium reacts with the oxygen in air to form magnesium oxide. The word e...

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  • March 30, 2024
  • 2
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers

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  • math
  • math complete test with solutions 2024

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  • MATH.
  • MATH.

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Math Complete Test With Solutions 2024.
Electrolysis breaks down water to form hydrogen and oxygen gas. The word equation that represents this reaction is: water - ANSWER hydrogen+ oxygen
A bright light is produced when magnesium reacts with the oxygen in air to form magnesium oxide. The word equation that represents this reaction is: magnesium + oxygen - ANSWER magnesium oxide
When methane burns, it reacts with oxygen to produce water and carbon dioxide. The word equation that represents this reaction is: methane + oxygen - ANSWER carbon dioxid+ water
Propane burns in oxygen to produce carbon dioxide and water. What are the chemical formulas of the reactants and products? - ANSWER The formulas of the reactants are C3H8 and O2. The formulas of the products are CO2 and H2O.
What is the chemical equation for the burning of propane if all the products and reactants are in the gas phase? - ANSWER C3H8(g) + 5O2(g) → 3CO2(g) + 4H2O(g)
What do the symbols tell you about the conditions of the reactions shown to the right? Check all of the boxes that apply. - ANSWER -The products and reactants of both reactions are gases.
-A catalyst is used for reaction 2.
What do the symbols tell you about the conditions of the reaction shown to the right? Check all of the boxes that apply. - ANSWER -The reactant is dissolved in water.
-A gas and a liquid are produced.
solid sodium + chlorine gas → solid sodium chloride - ANSWER 2) 2Na(s) + Cl2(g) → 2NaCl(s)
solid sodium + liquid water → aqueous sodium hydroxide + hydrogen gas - ANSWER 4) 2Na(s) + 2H2O(l) → 2NaOH(aq) + H2(g)

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