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Question- List the following aqueous solutions in order of increasing boling point: 0.040 m glycerin; 0.020 m FeCl3; 0.030m methanol (CH3OH). m indicates molality
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a 12-liter tank contains helium gas pressurized to 160 atm. what size tank would be needed to contain thi same amount
Three gases, hydrogen, helium, and krypton are confined in a 10.0 L vessel at a pressure of 6.00 atm. The vessel contains 4.00 moles of hydrogen, 3.00 moles of helium, and 5.00 moles of krypton.
A 43.0 g sample of Fe metal at 90.0°C is placed into 150.0 mL of water at 22.5 °C. After equilibrium is reached the final temperature of the system is 24.5°C. What is the specific heat capacity of the metal
A hydrocarbon gas contains 81.71% carbon and 18.29% hydrogen, by mass. At STP. 4.20 L of the gas has a mass of 8.27 g. What is the molecular formula for the compound
What is the concentration of MX2(aq) in a solution in which the concentrations of M2+(aq) and X-(aq) both just happen to be 0.15 M
What is the minimum voltage needed to produce a reaction in the electrolysis of copper(II) sulfate using inert electrodes. This is he same as asking what is Ecell for the electrolytic cell.
Calculate the heat evolved per mole on combustion of each substance to yield {rm CO_2}(g) and {rm H_2O}(g).
According to the Bronsted-Lowry definition, which chemical in the following reaction is the acid? CO32- + H2O -> OH- + HCO3
How many grams of water H20 are in a sample that has 1.2 *10^(23) atoms of hydrogen
steam enters a turbine with a velocity of 120 ms at 600 degree celsius and 600 kpa. the steam leaves the turbine as
Problem- A 32.1g iron rod, initially at 22.5C, is submerged into an unknown mass of water at 62.7C, in an insulated container. The final temperature of the mixture upon reaching thermal equilibrium is 58.6C. What is the mass of water?
What is a zymogen? Is it used over and over like other enzymes? And what is the physiological advantage
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