Determining the specific heat for a metal
Propose a method for determining the specific heat for a metal such as sodium that reacts with water.
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If 0.214 mol of Argon occupies 652 mL, what would the volume of 0.375 be? What would be the volume of 0.375 mol of butane gas under the same temperature and pressure conditions?
What is the concentration of ethylene glycol in units of molality? The molar mass of water and ethylene glycol are 18.02 g/mol and 62.07 g/mol, respectively.
Compare and contrast the structures of government formed under the Articles of Confederation and the U.S. Constitution.
A gradutate cylinder contains 155 mL of water. A 15.0 g piece of iron (density= 7.86 cm cubed) and a 20.0 g piece of lead (density = 11.3 g/cm cubed) are added. What is the new water level, in milliliters, in the cylinder?
As the snow begins to melt, the coefficient of static friction decreases and the snow eventually slips. Assuming that the distance from the chunk to the edge of the roof is 5.6 m and the coefficient of kinetic friction is 0.20, calculate the speed
At 25 c the ion product of water, Kw is 1.9 x 10^-14. What is the concentration of hydroxide ions in a solution where the concentration of hydrogen is found to be 5.0 x 10^-15 mol dm^-3?
Dry air (0% humidity) is approximately 78% N2, 21% O2, and 1% Ar by moles. Calculate the molar mass and density of dry air at 0 °C and 1.0 atm. Assume ideal behavior and use two significant figures in your answers.
What is the molarity of a solution that contains 41.0 g of vitamin B1 hydrochloride (molar mass = 337 {rm g}/{rm mol}) in 280 mL of solution?
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