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Will the percentage of chloride in your unknown increase, decrease or remain unchanged if these problems occur. The silver chloride wasn't completely dry when the final weighing was made. The unknown sample contained traces of moisture when it was weighed. The precipitated silver chloride was exposed to excessive light while it was drying.
A 14.0-g sample of ice at -18.0°C is mixed with 122.0 g of water at 87.0°C. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
What is the approximate pH of a solution of the salt NH4(O2CCH3) (ammonium acetate)? No calculations -- only reasoning needed. pKa/pKb values in your notes
What is the compounds molar mass if the density of a gaseous compound of phosphorous is 0.943g/L at 474K when its pressure is 728 torr.?
The water level in a graduated cylinder initially at 220 rises to 279 after a piece of lead is submerged. What is the mass in grams of the lead.
State what are the most common agents in polymer degradation
A 25.0g sample of nitrogen (N2) has a volume of 50.0L and a pressure of 630.0 mmHg. What is the temperature of the gas.
If the density of mercury is 13.6 g/mL. What is the mass in grams of 15.6 L of mercury?
also why are the energy minimization bond angles not the same as the ideal bond angles?
how much energy is required to vaporize 98.6 g of ethanol at its boiling point if its Hvap is 40.5 kj/ mol ?
Calculate the length in km of a row containing 1 mole of hydrogen atoms laid side to side if diameter of a hydrogen atom =.212 nm?
Write a reasonable reaction mechanism including intermediates
What is the concentration of CO in molecules per cubic meter?
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