How could an exothermic reaction be identified in the lab?

What does it mean when an ingredient comes first on a chip bag

Calculate the concentration (m) of sodium ions in a solution made by diluting 80.0 ml of a 0.174 m solution of sodium sulfide to a total volume of 125 ml.

Suppose 10 mg of deprenyl is diluted in 10 mL of water. What is the a) mass fraction and b) mol fraction of deprenyl in the solution?

If each jar below contains exactly one mole of each element, which jar contains the greatest mass? (The atomic mass of each element is given.) MolesAQ2 A. The jar of carbon. B. The jar of sulfur. C. The jar of aluminum. D.

How do the following changes affect the value of the equilibrium constant for a gas-phase exothermic reaction: 1. removal of a reactant A. increase equilibrium constant B. decrease equilibrium constant C. no effect 2. removal of a product A.

Fish need at least 4 ppm dissolved o2 for survival. part a what is this concentration in mol/l?

How does a runoff get polluted.

Anatom that has lewer neutrons than protons and more electrons than protons is

Which can have either a positive charge or a negative charge when they are released during radioactive decay? A. alpha particles B. beta particles C. positrons D. photons

Which ionic compound is water soluble? A. cuS B. NH4NO3 C. SrSO4 D. ZnF