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Discuss the role of continuing urbanization in the emerging/reemerging of infectious diseases.
Which of the following combination of dispersed phase in a dispersion medium with the colloid type is INCORRECT. A) Solid in liquid is a sol. B) Solid in solid is a solid sol. C) Solid in gas is an aerosol. D) Liquid in solid is a solid foam. E) L..
What colligative properties are displayed by these situations.
A zero-order reaction has a constant rate of 2.40×10-4 M/rm s. If after 80.0 seconds the concentration has dropped to 7.00×10-2 M,
It has a molar mass of 204.33g/mol. Suppose you weigh out .556g of KHP and dissolve it in water. It requires 14.48 mL of NaOH to reach the endpoint. What is the concentration of the NaOH solution
One method of estimating the temperature of the center of the sun is based on the assumption that the center consists of gases that have an average molar mass of 2.00 g/mol.
Problem- Calculate the molarity of a solution that results adding enough water to a 300ml of 2.5M solution of NaCl to complete 1.00L
if you have 430.00 ml of water at 25.00 degrees celcius.and add 100 ml of water at 95.00 degrees celcius, what is the final temperature of the mixture?
Three gases (8.00 g of methane,CH4 , 18.0 g of ethane, C2H6, and an unknown amount of propane,C3H8) were added to the same 10.0L- container. At 23.0 °C, the total pressure in the container is 4.10 atm. Calculate the partial pressure of each gas in..
calorimeters, is -3226.7 kJ/mol. When 2.5127 g of benzoic acid was burned in a calorimeter, the temperature increased from 20.84 to 25.67C. What is the heat capacity of the bumb
For which ?G°rxn = -30.5 kJ/mol at 37.0 °C and pH 7.0. Calculate the value of ?Grxn in a biological cell in which [ATP] = 5.0 mM, [ADP] = 0.60 mM, and [HPO42-] = 5.0 mM.
A gas of unknown molecular mass was allowed to effuse through a small opening under constant-pressure conditions. It required 62s for 1.0L of the gas to effuse. under identical conditions it required 28s for 1.0L of O2 to effuse. Calculate the mol..
a graduated cylinder contains 18.0 ml of water. what is the new water level after 35.6 g of silver metal with a density
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