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Thermal conductors don't have to be hot to transfer heat. a) According to Ch.16, explain a situation when an ice cube would still transfer heat to another object it is in contact with ? and B) What is a medium?
The solubility of O2 in water is 6.5 mg/L at an atmospheric pressure of 1.0 atm and temperature of 40 degrees C. Calculate the Henry's Law constant of O2 at 40 degree C. The mole fraction of O2 in air is .209
a) Research the space elevator concept. Consider the environment in which the cable must operate. Recommend two physical, and one chemical property that the cable should have. Justify your choices.
Milk of magnesia is often taken to reduce the discomfort associated with acid stomach or heartburn. The recommended dose is 1 teaspoon, which contains 4.00×102mg of Mg(OH)2.
indicate the direction of the bond polarity of NH3 and CH4. are either of the molecules polar. is ClH3 polar. why or why not.
CaO can be used as a drying agent. One such application occurs when water is added to dry concrete or cement. The reaction that occurs is Substance CaO(s) + H2O(l) = Ca(OH)2(s)
Explain how dissolving the Group IV carbonate precipitate with 6M CH3COOH, followed by the addition of extra acetic acid, establishes buffer with pH
when that precipitate was treated with NH3 it turned black. Based on this what can you say about the ions that may be present or absent in the solution? Can you reach a conclusion about the presence or absence of each of the three ions based on th..
What is the most likely protonation product of 2-pyrone (1)? [Lone electron pairs are not shown explicitly.] A, B, C, D, or E
Calculate the concentration of CO2 in a beer can with a partial pressure 3.0 atm over the beer at 25 ºC. Wascana Lake is located in city of Regina. Given that the partial pressure of CO2 is 3.9 × 10-4 atm, calculate the concentration of CO2 at 25 º..
The osmotic pressure,pie , of a solution of glucose is 83.1atm . Find the molarity of the solution at 298k .
A magnesium sulfate heptahydrate solution, which is 18.00% by weight in the anhydrous compound, has a density at 20 °C of 1.20 g/mL. What is the molality of the anhydrous compound in the solution
How do I calculate Apparent volume of dry sand and Actual volume occupied by sand particles Using the data below? Also need to know how to calculate the density of sand(based on apparent volume) Mass of graduated cylinder + Table Sand = 26.1g Mass..
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