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There are two kinds of chemical processes. These are 1) endothermic and 2) exothermic. Thermic relates to thermodynamic (meaning heat). Endo relates to internally directed. Exo relates to externally directed. This means that an endothermic process is one which adds heat to the body while exothermic removes heat from the body. These are all internal process, unlike falling or spinning. It is a commonly held misconception that exothermic process cannot be sponteneous. Please use the internet or another source to find an example of a sponteneous exothermic reaction. Summarize the process. Use MLA style to cite your source or sources. Explain why these sources may be considered reliable. Or not, if the source seems unreliable to you.
A water at pH = 6.35 has HCO3- concentration of 2.2 mM. What is the alkalinity? Clearly specify your units
Calculate the mass of sodium hydroxide that must be added to 1.00 L of 1.00 M HC2H3O2 to double the pH of the solution (assume that the added NaOH does not change the volume of the solution)
base catalyzed reaction of vanillin with acetic anhydride? They produce slightly different products, but how and why
Describe the attractive and repulsive forces between an atom of oxygen and an atom of sodium .
If 3.8 kcal is released by combustion of each gram of glucose, how many kilocalories are released by the combustion of 1.41 mol of glucose?
a student combusts 504.96 grams of ethene gas c2h4. how many liters of co2 g are produced at a pressure of 0.993 atm
Assuming that the rate of a chemical reaction doubles for every 10 celcius temperature increase, by which factor would a chemical reaction increase if the temperature were increased from
a 10.0l container of helium gas with a presure of 250mmhg at 0 degrees celsius is heated to give a pressure of
Calculate the pH of a 2.96 M solution of 2,4,6-trimethylpyridine. The Kb of 2,4,6-trimethylpyridine is 2.7x10-7
Calculate the Pickering series wavelength associated with the excited state ni = 8. B)What region of the electromagnetic spectrum does this transition fall in? gamma ,x-ray ,visible ,radio ,microwave ,infrared ,ultraviolet
If 6.46 L of gaseous ethanol reacts with 16.1 L O2, what is the maximum volume of gaseous carbon dioxde produced.
the resulting solution is analyzed in a sample container that is 1dm long? The specific rotation of (R)-2-butanol is -13.9 degrees mL g-1dm-1.
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