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Describe the concept of specific heat capacity and the effects that it has on temperature changes. Give an example of specific heat capacity that you see in your everyday life. Why did you select this example?
The plane experiences a constant acceleration of 5.2 g's during the turn. What is the kinetic energy of the aircraft?
Consider the following reaction in a closed reaction flask. If 1.50 atm of gas A is allowed to react with 0.500 atm of gas B and the reaction goes to completion at constant temperature and volume, what is the total pressure in the reaction flask a..
Naphthalene has a relatively high vapor pressure for a solid (because of its volatility, naphthalene is the active ingredient in some brands of mothballs). In view of this, what might happen if you place naphthalene under vacuum or in an oven for ..
What is the pH of a buffer solution that is 0.34 M in Na2HPO4 and 0.46 M in KH2PO4. Ka1 = 7.1E-3, Ka2 = 6.3E-8, and Ka3 =4.5E-13.
A mixture of hydrochloric as well as sulfuric acids is prepared thus that it contains 0.635 M HCL and 0.465 M H2SO4. Explain what volume of 0.46 M NaOH would be needed to completely neutralize all of the acid in 376.8mL of this solution
You can also get an incorrect percent yield of over 100%. Many chemical reactions of course occur in aqueous solutions.
molecules can be as small as a few atoms or as large as thousands of atoms. in 1962 max f. perutz and john c. kendrew
Question- The amount of energy released by burning a fuel source, measured in energy per mass, is called the fuel value. If all the energy obtained from burning 1.22 pounds of methane (fuel value is 11.97 kcal/g) is used to heat 128.5 kg of water ..
The Ka of a monoprotic weak acid is 5.48 × 10-3. What is the percent ionization of a 0.142 M solution of this acid?
20 sample of dry ice is added to a 765 flask containing nitrogen gas at a temperature of 25.0 and a pressure of 715 .
Formalin is an aqueous solution of formaldehyde, HCHO, used as a preservative. How many grams of formaldehyde must be used to prepare 2.5 L of 12.3 M solution
How would a calculated specific heat be affected if there is less water in the calorimeter that the value used in a calculation. Would it be higher, lower or unaffected
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