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A tire has a pressure of 780 mmHg at 27°C. If the tire is heated to 47°C on hot pavement, what the new pressure will be:
Determine What would be the total volume in the graduated cylinder if density of Ag= 10.5 g/mL.?
What mass of sodium azide is required to provide the nitrogen needed to inflate a 47.0 L bag to a pressure of 1.2 atm at 47 C.
Compute A current is drawn from the cell until 1.20 grams of Ag have been deposited at the Ag electrode. Determine the value of E for the cell at that stage of operation.
A calibrated flask was filled to the 25 mL mark with ethyl alcohol. By weighing the flask before and after adding the ethyl alcohol, it was determined that the flask contained 19.7325 g of alcohol.
Endorphins: What Are They and How Do They Work?, Describe in brief the chemistry and biology of the feel-good chemical, endorphins. Also explain why the name feel good
How many grams of dry NH4Cl need to be added to 2.10 L of a 0.500 M solution of ammonia, NH3 , to prepare a buffer solution that has a pH of 8.76? Kb for ammonia is 1.8*10 ^-5.
Name the highly volatile liquid may cause grave danger to The Environmental Health & Safety and Fire Safety professionals at happening scenes as its vapor
A Chem 113 TA prepares a solution by dissolving 3.11 g of solid KOH in enough water to make 100.0 mL of solution. Calculate the molarity of K+ ions in this solution.
Calculate the percent ionization of propionic acid (C2H5COOH) in solutions of each of the following concentrations: a) 0.250 M
The heat of vaporization of water =40.66 kJ/mol at 100 °C. Compute the quantity of heat that is absorbed/released when 9.00 grams of steam condenses to liquid water at the temperature of100 degree celsius.
6NaOH + 2Al -> 2Na3AlO3 + 3H2 What volume of hydrogen gas (measured at STP) would result from reacting 75.0g of sodium hydroxide with 50.0g of aluminum?
A 0.1752g sample of silver nitrate was dissolved in 502.3g of distilled water. Calculate the weight molarity of silver in this solution.
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