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Problem- How much heat is evolved in converting 1.00 mol of steam at 160.0C to ice at -45.0C? The heat capacity of steam is 2.01 J/(g??C) and of ice is 2.09 J/(g??C).
I am stuck in between this question please help me out
For each of the following species, draw its Lewis-dot structure. If the species exhibits resonance, draw all the resonance hybrids. For each species, tell its shape, bond angles, hybridization of the central atom, and whether it is polar or nonpola..
the atomic radius of a helium atom is 31 pm. what is the diameter of one helium atom in centimeters?
A sample of gas occupies 250 mL at STP. What is the temperature if the gas expands to 1500 mL at a pressure of 0.500 atm?
How many milliliters of 0.100M NaOH are required to neutralize 85.0mL of 0.250M H2SO4. The balanced neutralization reaction is
The radius of a tungsten atom is 137 pm. How many tungsten atoms would have to be laid side by side to span a distance of 3.90 mm
a 43 L tank contains a gas under a pressure of 369 atm. What volume would the gas occupy at the same temperature at 710 torr of pressure?
An aqueous solution contains 4.90% NH3 (ammonia) by mass. The density of the aqueous ammonia is 0.979 g/mL. What is the molarity of NH3 in the solution?
Question- What type of biological compound is characterized by an aldehyde or ketone and alcohol functional groups
The oxygen content is analogous in the basalt and granite. The basalt assimilates granite in the proportions of 1%, 2%, and 5% What are the O ans Sr isotopic compositions of the contaminated magmas
Hurricane Dennis strike the Gulf coast of Florida with a Central pressure of 949 mbar (=711.8 torr) define what was the pressure in atm
the mass of the sphere in 2 is 456 g. calculate the density of that sphere. please show
The ionization energy of Xe5p and O2p electrons are 12.1 eV and 13.6 eV, respectively. Calculate the energies and composition of the bonding and antibonding orbitals of XeO. Use β = -1.2 eV and S = 0.
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