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a sample of H20 with a mass of 46.0 grams has a temperature of -58.0 degrees Ceslius. How many joules of energy are necessary to heat the steam from 100.0 degrees celsius to 114.0 degrees if the specific heat of steam is 2.01 J/g degrees celsius?
Identify the two important classes of catalysts. Analyze the chemical reactions that take place when a biological catalyst combines
If 4.00 g of the unknown compound contained 0.133 mol of C and 0.267 mol of H, how many moles of oxygen, O, were in the sample?
what are the hydrolysis by-products? What limits the reaction? What determines whether the hydrolysis reaction proceeds from cellulose to sugar (e.g. glucose) or continues on to convert the sugars to alcohol?
Determine what volume of N 2 is released at 0.915atm of pressure and at the temperature of 25 degree celcius from a tank full of liquid N 2 ? (d=0.808g/mL)
How much heat is required to warm 1.20 kg of sand from 26.0 0C to 100.0 0C?
Calculate the radius of a Au (gold) atom if Au atom has a face-centered unit cell ? it is given that its density = 19.32 g/cm 3 .?
Change in internal energy E, At 25'C, enthalpy change H for the combustion of liquid octane, C8H8(l), to form CO2(g) and H2O(l) is -5471kJmol-1
After equilibrium was established, which of the ions listed below was present in the greatest concentration?A) H2C6H5O7^-
For a particular reaction, H = -30. kJ and S = -88 J/K. Assume that H and S do not vary with temperature
A swimming pool measures 25 meters wide by 145 meters long by 1 meters deep. How many gallons of water are required to fill the pool?
Find out the required pressure to compress 180 liters of N at 1.0 atm into a tank whose volume is 34 liters.
Can an ether molecule be made out of a methanol or ethanol molecule? Why or why not? What is the structure for 1-Octanol & Propane-1,2,3-triol?
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