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When 4.00 g of hydrogen nuclei fuse to form helium in the sun, 0.0265 g of matter is converted into energy. Use Einstein's equation, E = mc2, to calculate the energy equivalent of this change in mass.
When the valve between the 2.00-L bulb, in which the gas pressure is 2.00 atm, and the 3.00-L bulb, in which the gas pressure is 4.50 atm, is opened, what will be the final pressure in the two bulbs?
Calculate how many moles of nitrogen will be required to make 10.0 moles of NH 3 and calculate what is energy of each pulse If each pulse contains no of photons =1.20 x 10 18
A Power plant is the main point source of SO2 emissions for a 25 km2 area. Estimate the steady-state concentration of SO2 for this area from this point source given the following temperature data. Windspeed= 5km/hr.
What is the heat change in J associated with 65 g of gaseous acetic acid at 127 oC changing to solid at -50 oC? c(acetic acid) (g) = 1.11 J/(g.K) c(acetic acid) (liq) = 2.18 J/(g.K) c(acetic acid) (s) = 1.32 J/ (g.K) ?Hfus(acetic acid) = 192 J/g ?..
What fraction of thiocyanate ion is accually converted into the complex ion?
Predict whether the following compounds will undergo the benzoin condensation, faster slower than benzaldehyde or give no reaction. You must think about the intermediate and the nucleophile
Platinum has a face-centered cubic crystal structure and a density of 21.5 g/cm3. What is the radius of the Platinum atom?
prepare 250ml of a .5 mol/L aqueous solution of magnesium nitrae, Mg(N3)2. what mass of magnesium nitrate do you need?
The normal melting point of napthalene is 353.05K. When the solution becomes saturated at 310k, we expect the mole fraction of napthalene in the saturated solution.
Calculate the heat released when 1 kg of white phosphorus is allowed to burn in air at a constant pressure of 1 bar.
What would be the result of a column chromatographic separation if the column chromatography was to be performed in the following eluents:
What is sodium carbonate + hydrochloric acid balanced formula equation, complete ionic equation, and net ionic equation.
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