What are some examples of exothermic and endothermic reactions or processes you've seen in real life aside from hot and cold packs?

Q: A 6.57 g sample of an unknown salt (MM = 116.82 g/mol) is dissolved in 150.00 g water in a coffee…

A:

Q: A water bath is used to heat flammable chemicals in the laboratory while avoiding the risk of…

A: Heat is transferred from the higher temperature to lower temperature is called as the thermal energy…

Q: Suppose you are investigating the reaction: M(s) + 2 HCl(aq) → MCl2(aq) + H2(g). You weigh out a…

A: The given reaction is written below.M (s) + 2HCl(aq) → MCl2(aq) + H2(g) The relation between…

Q: The combustion of propane (C3Hg) produces 2220 kJ of energy per mole of propane consumed. What mass…

A: For heat evolved during a reaction, we use the the following expression to calculate the…

Q: Magnesium sulfate is often used in first-aid hot packs, giving off heat when dissolved in water. A…

A: Balance chemical equation is defined as which has equal number of atoms or ions in both sides…

Q: In a coffee-cup calorimeter, 100 mL of 1.0 M NaOH and 100.0 mL of 1.0 M HCI are mixed. Both…

A: Molarity of NaOH = 1.0 M  Volume of NaOH solution = 100.0 mL = 0.100 L  Molarity of HCl = 1.0 M…

Q: Which of the following represents an endothermic reaction? H2(g) + F2(g) –→ 2 HF(g) AH= -542 kJ C(s)…

A: The question is based on the concept of chemical thermodynamics. we have to identify the endothermic…

Q: When 14.2 g KBr is dissolved in 100.0 g of water in a coffee-cup calorimeter, the temperature drops…

A:

Q: True or False: The test tube in which a chemical reaction is taking place feels warmer to the touch.…

A: