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A sample of nitrogen gas kept in a container of volume 2.9 L and at a temperature of 39°C exerts a pressure of 4.7 atm. Calculate the number of moles of gas present
Calculate Ka for acetic acid in both the molal and molar standard states. Use as many sig figs as your calculations in part b.) warrant.
What is the de Broglie wavelength of a flea midway through its jump? Assume the mass of the flea is4.50×10-4 g and t is moving at 1.00 m/s.
Write the formula of all the different carbon dioxide molecules that can be formed from these samples. Which molecule has the largest mass?
Ammonia can be made by reacting calcium cyanamide (CaCN2) with water as shown: CaCN2 + 3 H2O => CaCO3 + 2 NH3.
According to the following reaction, how many grams of ethylene (C2H4) are required for the complete reaction of 23.8 grams of hydrogen gas?
How many moles of hydronium ion are neutralized by one teaspoonful of Extra strength Maalox plus?
The density of silver is 10.5g/cm3 what is the volume im cm 3 of an ingot of silver with mass 0.743 kg. If this sample of silver is a cube how long in each edge in cm
Liquid carbon disulfide burns in oxygen to form carbon dioxide and sulfur dioxide gases. Calculate the number of oxygen molecules it would take to consume 500 molecules of carbon disulfide
Why is a diffraction pattern generated by an electron beam formed by electrons interfering with themselves rather than with one another
If a breakdown of the thermal insulation around the turbine allows a heat loss of 60 kJ per kg of stream, and the exiting steam is at 150oC and 0.3 MPa, what will be the power developed by the turbine if the inlet steam conditions and flow rate ar..
A water desalination plant is set up near a salt marsh containing water that is 0.10 M NaCl. Calculate the minimum pressure that must be applied at 17°C to purify the water by reverse osmosis.
A particular solid has a structure in which W atoms are located at cube corners, O atoms at the centers of the cubic edges, and Na atoms at cube centers. The edge is 3.86 angstroms.
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