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was the formation of reactants

Calculate the heat of formation of SiO4(s), given that the heats of formation of SiO2(s), -910.90 KJ/mol; H2O(l), -285.8 KJ/mol;
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2. asked by matt
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The chemical equation of cellular respiration contains information about(1 point)Responses the relative amounts of products and
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The chemical equation of cellular respiration contains information about(1 point) Responses the relative amounts of products and
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2. asked by mee
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chemical equation of cellular respiration contains information about(1 point)Responses the formation of glucose. the
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The reaction H 2 CO 3 + H 2 O ↔ H 3 O + + HCO 3 – takes place in water.What happens to the equilibrium when the pressure is
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2. asked by Macarena
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Why do we put a minus sing in front of the bond enthalpies of the bonds that are being formed?And why are the enthalpies of
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2. asked by Anna
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5. The following balanced equations represent double replacement reactions that each result in the formation of a precipitate.
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2. asked by Chloe
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A chemical reaction results in the formation of a gas. How does the mass of the reactantscompare to the mass of the products? (1
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How does the formation of water from hydrogen and oxygen demonstrate the conservation of mass?(1 point)Responses The atomic
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What is required, in terms of bond energies of reactants and products, for a reaction to be exothermic?(1 point)Responses The
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