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Explain what is the molar heat capacity of titanium metal if it takes 89.7 joules to increase the temperature of a 33.0 g block of titanium by 5.20 degrees C?
Ethanol, C2H5OH, is mixed with gasoline and sold as gasohol. Calculate the grams of ethanol needed to provide 388kJ of heat.
If 0.334 g of water was obtained from the equation N*M H2O ?N + M H2O, how many grams of the hydrate were heated
It takes 46.0 to raise the temperature of an 11.2 piece of unknown metal from 13.0 to 25.0. What is the specific heat for the metal?
What is the molecular formula of the molecule that had an empiricial formula of C2 H4 S and a molar mass of 180.35% g/molecular.
Liquid sodium is being considered as an engine coolant. How many grams of liquid sodium (minimum) are needed to absorb 6.10 MJ of energy (in the form of heat)
The elements silver, molybdenum, and sulfur combine to form Ag2MoS4. What is the maximum mass of Ag2MoS4 that can be obtained if 8.63 g of silver
The analysis of a gaseous compound revealed that it was 85.7% C and 14.3% H by mass. When 1.77 g of the gas is stored in a 1.500 L flask at 17oC it has a pressure of 1.10 atm. What is the molecular formula of the compound
an insecticide has the weight percents c55.6 h4.38 cl30.8 and o9.26. the approximate molar mass is 345 gmol. what is
Check all of the statements that are true for SO2. The domain geometry is trigonal planar. The molecular geometry is bent. The bond angle is 90 degrees
Explain how the mass of a single atom in an element (jn amu), the mass of one mole of atoms of that element
Calculate the work, heat, energy and enthalpy change upon: a) expansion by 3.3 L at p=const (isobaric). b) isothermal expansion by 3.3. L against a constant external pressure of 30.0 kPa c) reversible isothermal expansion by 3.3 L.
At atmospheric sample is composed of nitrogen, oxygen, argon, water vapor, and trace other gases. If the partial pressure of nitrogen is 577 mmHg, oxygen is 148 mmHg, water vapor is 20 mmHg and argon is 7 mmHg, what is the observed barometric pres..
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