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Will nitric acid digest and contaminate a sample with additional carbon if it is filtered with a cellulose filter paper?
We have noted that water level rises to 62.4mL when a piece of metal of 48 grams is dropped into 50.0mL of H 2 O in a graduated cylinder. Determine the density of this metal?
At a certain temperature the equilibrium pressure is .718 atm. Calculate Kp for the reaction
how large (in kg) an oxygen candle (KClO3) would be needed to supply 8 people with enough oxygen for 24 hours on a small submarine? Although this depends on the size of the person and their respiration rate, according to NASA, an average person ne..
Why exactly are oxidation reactions one in which a oxygen is inserted into a bond, hydrogen is removed from a bond, and a more electronegative atom is inserted in the bond, replacing a carbon or a hydrogen
One mole of an ideal gas is heated from 100 C to 322.4 C at constant VOLUME. Report the heat added (in kJ and three significant digits) to this gas to achieve this heating
An electrophilic addition is? Answer . a) An addition to an alkene initiated by a nucleophilic attack. b) An addition to an alkene initiated by an electrophilic attack
Ultra-high-vacuum experiments are routinely performed at a total pressure of 1.0x10^-10 torr. Calculate the mean free path of N2 molecules at 350K
A solution of sodium nitrate, NaNO3, in water is 5.181 molar and its density is 1.2680 g mL-1. Calculate the percent, by weight, of sodium nitrate in the solution.
An 18-karat gold necklace is 75% gold by mass, 16% silver, and 9.0% copper. How many grams of copper are in the necklace? If 18-karat gold has a density of 15.5
you add 1.65L of water to 112g of sodium acetate. what is the molarity of the sodium acetate in the solution
Carbon and silicon belong to the same group and are known to have similar properties
Calculate the pH of a 0.50 M aqueous solution of NH3. The Kb for NH3 is 1.8 x 10-5.
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