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It takes 47.0 J to raise the temperature of an 9.00 g piece of unknown metal from 13.0rm ^circ C to 25.0^circ{C}. What is the specific heat for the metal?
Estimate the change in entropy if fifty kilo joules of energy are transferred reversibly and isothermally as heat to a large block of Cu at zero degree Celsius and seventy degree Celsius?
determine the final volume of the gas If the gas ocupied 68mL, initally and determine the molarity of the solution
When an ionic solid is added into a solvent, you can see that the ionic solid dissociates into its respective cations and anions. The solvent molecules immediately cluster around the ions.
The specific heat capacities of Fe(s) and water are 0.45 J/g? and 4.184 J/g?, respectively. What is the final temperature of the system?
"The chains of several cell membrane - bound proteins are known to wind back and forth through the cell membrane, such that some parts of the protein structure are extracellular, some parts are intracellular, and some parts lie within the cell mem..
A gas-filled balloon having a volume of 5.00 L at 1.2 atm and 25°C is allowed to rise to the stratosphere (about 30 km above the surface of Earth),
A sample of ethanol (C2H5OH) has a mass of 38.6 g. How many carbon atoms does the sample contain?
Calculate the amount of heat liberated (in kJ) from 375 g of mercury when it cools from 89.2°C to 15.7°C
Calculate the length in km of a row containing 1 mole of hydrogen atoms laid side to side if diameter of a hydrogen atom =.212 nm?
Cesium(Cs) is used extensively in television cameras and in photocells because it has lowest ionization energy of all the stable elements.Determine the maximum kinetic energy of a photo electron ejected from cesium.
how many liters of hydrogen are obtained from the reaction of 4 g calcium with excess water, at 37 Celsius and 0.962 atm?
When 0.549 moles of a certain gas fill a balloon the volume is 75 mL. If enough of the same gas is added to the balloon until 1.44 moles of gas are present, what is the new volume of the balloon?
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