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A long glass tube, sealed at one end, has an inner diameter of 10.0 mm. The tube is filled with water and inverted into a pail of water. If the atmospheric pressure is 755 mm Hg, how high in mm h2o is the column of water in the tube? dhg = 13.5 g/mL, dwater = 1.00 g/mL.
Nitrogen forms several gaseous oxides. One of them has a density of 0.869 g L-1 measured at 764 mmHg and 150°C. Write the formula of the compound.
what will be the formula made up of s2- and sc3?such a compound has a melting temperature of 1775 degc. what type of
Carbonyl fluoride is an important intermediate used in the production of fluorine-containing compounds. For instance, it is used to make the refrigerant carbon tetrafluoride, via the reaction
What is the final temperature (in oC) of a 37.6 g sample of graphite (specific heat = 0.720 J/(g K)) which absorbs 9.82 kJ of heat when it warms from 12.56oC
Calculate the pH after 0.020 mol of NaOH is added to 1.00 L of a solution consisting of 0.100 M HONH2 and 0.100 M HONH3Cl.
Estimate the ratios of the basic and acidic forms of the histidine side chain
Calculate the concentration of sugar in % (w/v) for a 250mL solution that contains 4.32g of sugar
what is the cutoff temperature at which the reaction is
A mixture of gases contains 1.75 g of N2, 4.84 g of H2, and 3.48 g of NH3. If the total pressure of the mixture is 5.73 atm, what is the partial pressure of each component
Intially the vessel contains 3.0 moles of methane, 3.0 moles of xenon, and 4.0 moles of oxygen. What would the partial pressure of methane be if 2.0 moles of methane are added to the vessel? Assume that the volume and temperature of the vessel rem..
an ethylene gas torch reqires 3200 L of gas at 3.00 atm. what will be the pressure of the gas if ethylene is supplies by a 250. L tank?
a close chemical relative of the banned insecticide ddt is methoxychlor c16h15cl3o2. methoxychlor is currently used as
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