5.0 g of copper was heated from 20 degrees Celsius to 80 degrees Celsius. How much energy was used to heat Cu (specific heat capacity of Cu is 0.092 cal/g degrees Celsius)

Dalton's atomic theory explained the observation that the percentage by mass of the elements in a compound is always the same, thus dalton's atomic theory supports what law? a. the law of definite composition b. the law of conservation of mass c.

A solution contains 44.0 ml of benzene in 125 ml of hexane what are the mass % and the volume % of the solution

Problem PageQuestion A major component of gasoline is octane. When octane is burned in air, it chemically reacts with oxygen gas to produce carbon dioxide and water. What mass of oxygen gas is consumed by the reaction of 6.1 g of octane

How do atoms become ions?

Which compound is more soluble in water acetone or 2 - pentanone

What are the products of the alpha decay of Iodine-131?

Which lewis electron-dot diagram represents a nitrogen atom in the ground state

What would a 1:1 liquid binary mixture of Cyclohexane and Toluene look like? How would the molecules associate with one another?

A sample of argon gas is at a pressure of 1.725x10^4 kPa and a temperature of 24°C in a rigid 20 L tank. How many moles of argon does this tank contain? (show your work)

summarize what you read on the two articles by identifying the advantages and disadvantages of using plastics