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Problem- What is the pressure of the gas in this mercury manometer if h = 51 mm and atmospheric pressure is 751 mmHg?
I have no idea how to do this! Thank you for your help!
A steel tank has a volume of 438 L and is filled with 0.885 kg of oxygen. calculate the pressure of oxygen at 69.8 fahrenheit.
Problem- 6.83 g of an unknown amino acid are added to 100.0 g of water. The boiling point of the water increases from 100.0oC to 100.28oC. Calculate the molar mass of the protein.
The coinage metals -- copper, silver and gold -- crystallize in a cubic closest packed structure. Utilize the density of silver (10.5 g/cm3) as well as its molar mass (107.9 g/mol) to compute an approximate atomic radius for silver.
A large number of polycyclic benzenoid aromatic hydrocarbons are known. One of these, benz/a/pyrene, is a powerful carcinogen found in tobacco smoke. Draw the structure of this hydrocarbon. Can you suggest other sources where this material might b..
Using Linear Combinations of Atomic Orbital-Molecular Orbital Theory, draw the molecular orbital splitting diagram for CN- starting with the atomic orbitals that contain the valence electrons for each atom.
Instant cold packs, often used to ice athletic injuries on the field, contain ammonium nitrate and water separated by a thin plastic divider. When the divider is broken
calculate the initial velocity of a reaction if the substrate concentration is 4 times the km show
Determine the number of CH2CH2 monomeric units, n, in one molecule of polyethylene with a molar mass of 40,000 g.
Completely neutralizes stomach acid (HCl, .10M) How much carbon dioxide is made at STP conditions (37C, 767 torr, 100% humid) by ingesting one 1.834 gram tablet
The pH of a bicarbonate-carbonic acid buffer is 8.30. Calculate the ratio of the concentration of carbonic acid (H2CO3) to that of the bicarbonate ion (HCO3-).
If Dan is working in the lab and measures the mass of an iron rod to be 1.25 g and the accepted value from the instructor was given as 1.30 g, what was dan's percent error
For my class data from reading a value off the buret with water inside my class results are 11.21, 11.23, 11.23, 11.23, 11.23, 11.24, 11.24, 11.25, 11.25, 11.25, 11.25, 11.25, 11.26, 11.28, 11.28, 11.29, 11.30 from increasing order.
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