How to tell if a reaction is endothermic or exothermic?

KOH (aq) + Mn (NO3) 6 (aq) =

Give the number of significant figures: 0.882 mm

Which ionic compounds are not likely to dissolve in water? (More than 1 answer.) Na2SO4 CaSO4 Ca (C2H3O2) 2 Ba3 (PO4) 2

Calculate the pH of a sample of acid that contains 0.001 moles HCl in a volume of 100.0 mL

What is the VSEPR theory and what is it used to predict?

What is the volume of 2.00 moles of chlorine (cl2) gas at stp, to the nearest tenth of a liter?

A reaction of 12.640 g of copper oxide with 0.316 g hydrogen produces 2.844 g of water and Xg of copper. X=_9

If i burn steel wool inside a closed jar or bottle will the oxygen be completly gone

700 grams of glucose reacted fully with oxygen How many moles of gas will be created

The uranium used for nuclear fuel exists in nature in several minerals. Calculate how many moles of uranium are in 8.00 moles of the following: 1. carnotite, K2 (UO2) 2 (VO4) 2 • 3H2O 2. uranophane, CaU2Si2O11 • 7H2O 3.