Questions by ElvisHarford

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Determine the standard enthalpy change for the reaction between calcium oxide and hydrochloric acid, given the following information:CaO(s) + 2HCl(aq) → CaCl2(aq) + H2O(l)∆Hf° CaCl2(aq) = -795.7 kJ/mol∆Hf° H2O(l) = -285.8 kJ/mol∆Hc° = -1922.6 kJ/mol

asked 1 day ago in Chemical thermodynamics

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1 answer 7 views

Assuming complete reaction, a chemistry student added 32 grams of reactant A to a reaction mixture that should produce 28 grams of product B. However, the actual yield of B was only 22 grams. What is the percent yield of product B for this chemical reaction?

asked Jan 22 in Chemical reactions

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1 answer 53 views

What is meant by the term 'TMS'?

asked Jan 15 in Psychology

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1 answer 32 views

What type of bonds contain atoms that possess either a partial positive or a partial negative charge?

asked Jan 8 in Science

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1 answer 23 views

What kind of waves travel through liquids and solids as well as air?

asked Jan 7 in Science

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1 answer 20 views

What are the three most common elements in the air we breathe?

asked Jan 6 in Science

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1 answer 55 views

What lizards can change colors based on the color of their surroundings?

asked Dec 27, 2024 in Science

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