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it is common to see the the strength of aspirin tablets listed in terms of the number of grains of ASA per tablet. using the conversion factor of 15.4 grains per gram ASA, compute the mass, in grains, of the tablets you analyzed. compare this with the adverstised value and determine the percent error
Suppose that 27 g of each of the following substances is initially at 29.0 C. What is the final temperature of each substance upon absorbing 2.45 kJ of heat?
all oxygen gas from a 10.0-L container at a pressure of 202 kPa is added to a 20.0-L container of hydrogen at a pressure of 505 kPa. after the transfer, what are the partial pressures of oxygen and hydrogen?
What advantages and disadvantages exist for both organic and inorganic solar cells? Describe the main barriers or technical difficulties associated with each.
What is the energy of a violet photon with wavelength 4.0 x 10^-7 m?
If 36.0 mL of 0.150 M HCl(aq) is needed to neutralize all the NH3(g) from a 2.25-g sample of organic material, calculate the mass percentage of nitrogen in the sample.
The crude copper that is subjected to electrorefining contains tellurium as an impurity. The standard reduction potential between tellurium and its lowest common oxidation state
How long will it take for 75% of nitrogen dioxide to decompose if the initial concentration of nitrogen dioxide is 1.33M
Require to apply to neutralize the acidity that concluded from nitrification and determine how much CaCO 3
Al(OH)3 + 3HCl ---> AlCl3 + 3H2O Determine the moles of acid neutralized if a tablet contains 0.200 mol Al(OH)3
How would the boiling of a liquid be affected if it measured on top of mount everest?
Which of the following numbers is the smallest?
Correct the refractive index and boiling point to 20 degrees Celsius and 1 atmosphere and calculate the density of the unknown?
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