A sample of C3H8 has 7.52*1024 H atoms. How many carbon atoms does the sample contain? What is the total mass of the sample?

What mass of CO2 will sublimate given 500 kJ of energy at room temperature? (ΔHsub=26.1kJmole)

Which one of the following is not the property of graphite? A. Soft B. Greasy C. Transparent D. Black

What is the answer of this problem

If I added 27 grams of salt to water and separated the solution with a hot plate, what amount of salt would be left behind?

Which two statements are true about a system? A) all systems are made by humans B) a system is a group of objects analyzed as one unit C) energy they moves across system boundaries is conserved D) there's only one way to define the boundaries of a

How many grams of As2S3 are in 3.25 moles?

How does a solid turn into a liquid

What does the Ka represent in the equation and why is it important?

Is an american alligator a autotroph?

A/1 * B/C = D, You find yourself with 17 guilders (a gold coin) but you are planning on taking a trip to a country where the local currency is the florin. The current exchange rate is 2 guilders for every 3 florins.