What would you use if you needed to determine the density of an object?

Gaseous butane will react with gaseous oxygen to produce gaseous carbon dioxide and gaseous water. Suppose 25. g of butane is mixed with 43.8 g of oxygen. Calculate the minimum mass of butane that could be left over by the chemical reaction.

Which law relates temperature, pressure, volume, and the number of moles of a gas under perfect conditions?

Quick question. In which group of the periodic table do you find halogens? A. 2A B. 8A C. 1A D. 7A

A 50.00ml sample of mercury at room temperature (293.0K) is cooled. What is the volume of the sample when the mercury reaches 273.0K? The coefficient of volume expansion of mercury is 182.0 x 10-6 K-1.

In the analysis of hair and fiber samples, which does a compound comparison microscope allow for that a conventional compound microscope does not? A. simultaneous observation B. polarization C. fluorescence D. higher magnification

The pOH of a solution is 13.28. What is the [OH]

If you can choose any animal in the world to be, what animal would you choose. (I'd be a wolf or a dog, mostly a wolf)

Determine the molecular geometry about each interior nitrogen atom of n2h4.

When all of the bulbs in the parallel circuit were first lit, did they all illuminate equally?

1. Electronegativity is the ... a. amount of energy required to remove the most loosely bound electron from an atom. b. tendency of an atom to lose an electron to another atom. c.