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It takes 51.0j to raise the temperature of an 11.4g piece of unknown metal from 13.0c to 25.0c. What is the specific heat for the metal? with the appropriate units.
In the temperature range from 40 K to 90 K, a certain amount of liquid has a temperature dependent heat capacity that is given by Cp = 18.5 J K?1 + T × 0.24 J K?2. Determine the enthalpy change resulting from heating this sample from 58.0 K to 72...
a scuba diver with a lung capacity of 5.1 l inhales a lungful of air at a depth of 44 m and a pressure of 5.4 atm.if
total of 2.00 moles of a compound is allowed to react in a foam coffee cup that contains 122 gm of water. The reaction caused the temperature of the water to rise from 21.0 to 24.7
When electricity (the flow of electrons) is passed through a solution, it causes an oxidation-reduction (redox) reaction to occur. If the solution contains a metal cation such as Ag
From the mean bond enthalpy data given below, estimate the enthalpy change for the complete combustion of one mole of butene at 298 K. (The molar enthalpy of vaporization of water is 45.0 kJ mol-1 at 298K)
waters heat of fusion is 80. its specific heat is 1.0 and its heat of vaporization is 540 . a canister is filled with
The air pollutant NO is produced in automobile engines because of the high-temperature reaction below. If the initial concentrations of N2 and O2 at 1000 K are both 1 M
The following pictures represent the progress of a reaction in which two A molecules combine to give a more complex molecule A2, 2A ? A2. What is the order of reaction with respect to A?
Get a glass and fill it with cold tap water. Observe the water in the glass as it warms to room temp. What effect does temp have on the amount of gas that can remain dissolved in water? Can you use this information to explain boiling?
What is the PH of .0750L of hypochlorous acid/hypochlorite buffer solution, originally .300M in HCLO and .400M in CLO-. after 7.5E-3 moles of NAOH have been added to the buffer
1. some sulfuric acid is spilled on a lab bench. it can be neutralized by sprinkling sodium bicarbonate on it and then
how much energy is needed to heat 24.8g water from 64 degrees to 123 degrees celsius?
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