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A small amount of the solid MgSO4 * 7H2O is put in a crucible. The solid is gently heated by a bunsen burner until all the waters of hydration are driven off. Write the balanced equation (including phases) for this process.
complete all the blank entries in the given table. then use the data to graph toscale the fixed variable average fixed
A specimen of aluminum having a rectangular cross section of 15 mm x 18 mm is pulled in tension with 55,000 N force, producing only elastic deformation. Calculate the strain
A pot is made out of iron (mass=11 kg and SH capacity of .4498 J/g degree celcius) and you have 1 liter of pure water, starting with H20 at exactly 15 celcius and wanting to get it to boik
Octane has a density of 0.692 g/mL at 20 C. How many grams of O_2 are required to burn 1.50 gal of C_8H_18?
Of Br2, Ne, HCl, HBr, N2 which is likely to have a) the largest intermolecular dispersion forces and why
heat capacity of the bomb calorimeter is known to be 10.6 kJ/C From previous measurements,. Now determine the mass percent of naphthalene(C10H8) in the sample?
suppose a student attempts to do an ion exchange on a column that is already nearly saturated with CO2+ and Zn2+.
The solubility products of PbSO4 and SrSO4 are 6.3 * 10^-7 and 3.2 * 10^-7, respectively. What are the values of [ SO4 2-], [Pb 2+], and [Sr 2+] in a solution at equilibrium with both substances
What Celsius temperature,T2, is required to change the volume of the gas sample in Part A ( T1= 35 degrees celsius, V1= 1120 L) to a volume of 2240 L? Assume no change in pressure or the amount of gas in the balloon.
Determine the pH of a solution that is 1.07% HCl by mass (Assume a density of 1.01 g/ml for the solution.)
pressure cookers achieve a high cooking temperature to speed the cooking process by heating a small amount of water under constant pressure
Determine how much energy will be required to heat 69.7 gal of H 2 O from 22 degree Celsius to 110 degree Celsius if it is given that 1.00 gal weighs 3.77 kg and water has a specific heat capacity =4.184 J/g C
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