Which of the following errors could cause your percent yield to be falsely high, or even over 100%? select all that apply. select all that apply. handling the crucible directly with your hands. taking the mass of the empty crucible without the lid, but including the lid in all other mass measurements. taking the mass of all samples with the lid included. heating the sample too vigorously. failing to completely decompose the sodium bicarbonate sample.

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the enthalpy of formation of water is given as -285.8kj/mol, which states that the enthalpy of formation is negative.

negative enthalpy of formation indicates that the heat is released during the reaction process. the heat is released from reaction to the surroundings the enthalpy is expressed with a negative sign with the energy given out in the reaction process.

the formation of water takes place by giving out heat which is -285.8 kj/mol.