Chemistry, 25.01.2020 14:31, bunny2288

If solid material settles out of a mixture over time, the unknown mixture is likely a solution homogenous colloid suspension

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Chemistry, 22.06.2019 06:30, yolo123321

The following reaction shows sodium carbonate reacting with calcium hydroxide. na2co3 + ca(oh)2 → naoh + caco3 how many grams of naoh are produced from 20.0 grams of na2co3? (molar mass of na = 22.989 g/mol, c = 12.01 g/mol, o = 15.999 g/mol, ca = 40.078 g/mol, h = 1.008 g/mol) 12.2 grams 15.1 grams 24.4 grams 30.2 grams

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Chemistry, 22.06.2019 12:30, MrSavannahCat

Clyde and marilyn are riding a roller coaster. during which section(s) of the track is their potential energy converted to kinetic energy? a. from point b to point c only b. from point b to point d only c. from point a to point b only d. from point a to point b and from point c to point d

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Chemistry, 22.06.2019 17:30, mwest200316

To find the enthalpy of a reaction in the lab, you measured the of the reactants and the change during the reaction.

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Chemistry, 22.06.2019 23:00, lufung8627

Consider the reaction: 2al(s) + fe2o3(s) → al2o3(s) + 2fe(s) the δhf for fe2o3(s) = -824.3 kj/mole. the δhf for al2o3(s) = -1675.7 kj/mole. finish the equation. δhrxn = [(1)( kj/mole) + (2)( kj/mole)] - [(1)( kj/mole) + (2) ( kj/mole)]

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If solid material settles out of a mixture over time, the unknown mixture is likely a solution homo...