Is this reaction endothermic or exothermic

d) NH4NO3 (s)  NH4 + (aq) + NO3 - (aq) [Note, this is the reaction that takes place in a cold pack]

Consider this equilibrium: 3Fe (s) + 4H2O (l) Fe3O4 (s) + 4H2 (g). What is the Keq expression for this equilibrium?

How many moles are in 68.5g of KOH?

Is wavelength chemical or physical properties

What is a base meter?

What type of reactions is: C7H16 + O2 - -> CO2 + H20

Mason compare the properties of two compounds magnesium oxide is an ionic compound and hydrogen peroxide is not an ionic compound there for both compounds most likely

Cisplatin is synthesized as follows: K2PtCl4 (aq) + 2NH3 (aq)  Pt (NH3) 2Cl2 (s) + 2KCl (aq) What mass of cisplatin can be made from 100. g of K2PtCl4 and sufficient NH3? What mass of KCl is also produced?

What is the total number of protons in the nucleus of an atom of potassium-42? (1) 15 (3) 39 (2) 19 (4) 42

What happens to the equilibrium when the pressure is increased? It favors formation of products. It does not change. It favors formation of reactants. It is conserved.

After 2.0s, Isabela. was riding her bicycle at 3.0m/s on a straight path. After 5.0s she was moving 5.4m/s. What was her acceleration?