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Physical Chemistry
Explore questions in the Physical Chemistry category that you can ask Spark.E!
- who discovered the unexplainable photoelectric effect
- relationship between energy and frequency
- What does the 100% intensity peak represent
- when product bonds are made energy is ______ to the surroundings
- what arrangement must H and X have in E2 reaction
- bond energy is the amount of energy needed to ____ a bond.
- when reactants bonds are broken energy is ______ from surroundings
- What does the molecular ion peak furthest to the right show
- What do we use to make assumptions about the structure of TS
- An ice pack works ammonium chloride and water react e_______ and energy is a_____ from the surrounding.
- Energy change is found experimentally by:1.Placing p____ cup into a beaker.2.Adding 40cm3 of acid using a ____ ____.3.Adding 5cm3 of an a____.4.Using a thermometer to s___ and take the ______5.Adding alkali until a total of 40cm3 is used.6.Repeat the experiment and calculate a ____7.Draw a graph with two lines to find the______ temperature reached.
- A self heating can works when calcium oxide and ___ react e_____and energy is r_____ into the surroundings.
- What type of reactions are breaking bonds and making bonds?
- What does the reaction profile look like for an exothermic reaction?
- What does the reaction profile look like for an endothermic reaction?
- What is the minimum amount of energy required for reaction to occur called?
- The substances that enter a chemical reaction are called...
- Apples slices can be kept from browning by brushing them with lemon juice. What role is the lemon juice playing?
- What is the chemical equation for a endothermic reaction
- Are solutions homogeneous or heterogeneous?