Acceleration due to gravity on the moon is greater / less than acceleration due to gravity on Earth. The mass of an object on the moon is less than / greater than / the same as it is on Earth. Using the equation F = ma to calculate weight, the mass of an object is multiplied / divided by acceleration due to gravity. So, the weight of an object on the moon is greater / less than the weight of the same object on Earth.

the answer is the first option

explanation:

just googled it m8. not that hard

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the temperature of the gas, in k, not celsius.

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.