What is the density of nh3
What is the density of NH3 (3 is a superscript) at 800 torr and 20 degrees C?
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A steel cylinder is filled with 5.75 mol of nitrogen at 22degrees Celcius. The volume of the cyclinder is 18.4 L Calculate pressure inside the cylinder
A 295- flask contains pure helium at a pressure of 751 . A second flask with a volume of 495 contains pure argon at a pressure of 712 . If the two flasks are connected through a stopcock and the stopcock is opened, what is the partial pressure of
Determine how many mL of solution A (acetic acid-indicator solution) must be added to solution B (sodium acetate-indicator solution) to obtain a buffer solution that is equimolar in acetate and acetic acid.
Combustion analysis of naphthalene, a hydrocarbon used in mothballs, produced 8.80 g CO2 and 1.44 g H2O. Calculate the empirical formula for naphthalene?
An airplane is heading due south at a speed of 515 km/h. A wind begins blowing from the southwest at a speed of 100 km/h (average). What is the velocity (magnitude and direction) of the plane relative to the ground?
Given that the most common mineral in limestone is calcium carbonate, describe how these limestone objects are corroded by the sulfuric acid in polluted air. What chemical reaction is involved here?
Suppose 8.00 g of CH4 is allowed to burn in the presence of 8.00 g of Oxygen. How much (in grams) of CH4, O2, CO2, and H2O remain after the reaction is complete?
How many kilograms of chalcopyrite must be mined to obtain 360. g of pure rm Cu?
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