Is it possible for a reaction to be exothermic but not spontaneous?

How many atoms are there in 5.70 mol of mg

Sugar is dissolved in water. which is the solute? sugar neither both water

Using the thermodynamic information in the aleks data tab, calculate the standard reaction free energy of the following chemical reaction: →+p4o10s6h2ol4h3po4s round your answer to zero decimal places.