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An experiment is performed on an unknown material and produces the given heat curve. The temperature of the material is shown as a function of heat added.
In the table, ??1=46.7 °C, ??1=165 J, ??2=819 J, ??3=1510 J, and ??4=2830 J.
Other experiments determine that the material has a temperature of fusion of ?? fusion =235 °C and a temperature of vaporization of ??vapor=481 °C.
If the sample of material has a mass of ??=8.60 g, calculate the specific heat when this material is a solid, and when it is liquid, ??l
The next most abundent isotope is 26Mg, relative atomic mass 25.98259. The third Isotope is 25Mg whose natural abundance is in the ratio of 0.9083 to that of 26Mg. What is the relative atomic mass of 25Mg?
in standardizing a solution what would happen if instead of putting hcl solution into a buret and standardized naoh
Discover delta S for the conversion of 1.00mol of ice at 0C and 1.00atm to 1.00mol of water vapor at 100C and 0.50atm. Use 333.5 and 2257J/g as the latent heats of fusion as well as vaporization of water at the normal melting points,
.134 mole of KCl and .212 mole of CaCl2 were dissolved in water, calculate total number of Cl ions in the solution
Oxygen at 25 degrees C and a pressure of 1000 torr. At STP 1 mol of gas occupies 22.4 L What is the volume in liters of the oxygen gas in the cylinder?
What Is the difference between independent and dependent variables and how it can be evaluate for EBP
a molecule has an excited state electronic energy level that emits radiation of 1lambda 360 cm-1 when it falls to the
The temperature dependence of the reaction rate constant is given by the equation: ... ln k = ln A - Ea/RT ... ... Where: k = rate constant T = temperature A
If the volume is increased to 71.2 L at constant temperature, how many collisions will occur per square inch of this larger container
Question- Show how you would accomplish the following synthetic transformations. a) 1-butene to 1-bromobutane
When the substances in the equation below are at equilibrium, at pressure P and temperature T, the equilibrium can be shifted to favor the products by
104. a 50.0 ml sample of 2.0 times 10-4 m cuno3 is added to 50.0 ml of 4.0 m nacn. the formation constant of the
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