The chemical combination of two or more substances which can only be seperated by chemical means its called an ...

An ideal gas expands from 17.0 L to 64.0 L at a constant pressure of 1.00 atm. Then, the gas is cooled at a constant volume of 64.0 L back to its original temperature. It then contracts back to its original volume without changing temperature.

Which compound is saturated? * butane ethene heptene pentyne

liquids generally cannot be compressed as much as gases, making liquids ideal in hydraulic systems true or false

This graph shows the solution to the inequality y > 3x + 14 and y < 3x + 2

identify 2 changes of state that require energy to be used, and 2 changes of state that require the release of energy

How many moles of neon (Ne, 20.179 g/mol) are in 68.4 grams of neon

A 50.00 mL sample of groundwater is titrated with 0.0300 M EDTA. Of 12.40 mL of EDTA is required to titrate the 50.00 mL sample, what is the hardness of the groundwater in molarity and in parts per million of CaCO 3 by mass

Why openness is important to the progress of science?

At a certain temperature the rate of this reaction is second order in NH4OH with a rate constant of 34.1 M^-1s^-1: Suppose a vessel contains NH4OH at a concentration of 0.100M.

If you go into the lab and dissolve 2.11 g of magnesium chloride in enough water to make 1500 ml of solution, what is the molarity of the resulting solution?