Can someone help me with this, please? Given the following reaction equation for the synthesis of Phosphorus Trichloride. Is the reaction endothermic or exothermic?
P4(s) + 6 Cl2(g) → 4 PCl3(g) + 1152 kJ

Exothermic because heat energy is a product.

Endothermic because heat energy is a product.

Endothermic because heat energy is a reactant.

Exothermic because heat energy is a reactant.

Gusing the milligrams of ascorbic acid you entered above, the ratio of total sample volume to aliquot volume, and the total milligrams of the vitamin c tablet that you dissolved, calculate the mass of ascorbic acid in the vitamin c tablet for each trial. do this by scaling up to find the amount (mg) of ascorbic acid in your 250 ml flask. enter your calculated mass of ascorbic acid in the vitamin c tablet, for each trial. be sure to enter your calculated mass in the corresponding order that you entered your milligrams of ascorbic acid. the milligrams of ascorbic acid you entered for entry #1 previously should correspond to the mass of ascorbic acid that you enter for entry #1 here.