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Problem- How much heat (in kj) is required to warm 10.0 g of ice, initially at -10.0 degrees Celsius to steam at 110.0 degrees Celsius? The heat capacity of ice is 2.09 J/g Celsius and of steam is 2.01 J/g Celsius
Please answer only if you are 100% confident
determine how many pounds a citizen would have to weigh in order to have ice melt beneath his/her ice skates. Do a bit of research and find out the area if cibtact betweeb a typical ice skating blade and the ice surface
the oxygen gas emitted from an aquatic plant during photosynthesis is collected over water at a temperature of 25 and a
Use the following data to plot the inflection points for the heating curve of 1 mole of solid octane at its melting point, -56.8 degrees C. The first point should be at -56.8 and the last point should be at 150 degrees celcius.
Calculate the mass of Sodium Nitrate required to prepare 50cm3 of 0.2 moll-1 solution
at high temperatures and pressures nitrogen will react with hydrogen to produce ammonia as shown by the equationn2g
Construct a Born Haber cycle for the formation of the hypothetical compound NaCl2, where the sodium ion has a 2+ charge. A. How large would the lattice energy need to be for the formation of NaCL2 to be exothermic
The molecule AX3, in which A is the central atom, is polar and obeys the octet rule. How many lone pairs of electrons does A have
peroxyacetyl nitrate is an air pollutant produced in photochemical smog by the reaction of hydrocarbons oxides of
You would like to add DAP to a 1500 gal fermenter of Cabernet Sauvignon to raise its YAN level to 250ppm N. Resolute its current level of YAN to be 120ppm N. If each gram of DAP adds 0.21 gram of N to the must, explain how much DAP is needed
Problem- Calculate the [H3O+] and pH of each of the following H2SO4 solutions. Calculate pH for 0.50 M solution.
Ligands approaching in a tetrahedral pattern cause some orbitals to be raised in energy. How many orbitals are on the lower energy level?
Draw all of the resonance forms of 4-methoxybenzaldehyde which contribute to the reducwd electrophilicity of the aldehyde carbon relative to benzaldehyde.
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