What is the diffrence between speed and avarege speed

A sample of helium gas occupies a 10 cubic meter container at stp (273 k, 1 atm). what will the approximate volume become when the pressure is 1.5 atm and the temperature is 32 oc? a. 5.4 cubic meters b. 7.5 cubic meters c. 9.2 cubic meters d. 11.

Why does every sample of given substance has the same properties?

Why are alcohols classified as organic compounds?

It is likely that Si and P would substitute for each other in a solid solution. True False

Using the equation 2H2+O2-->2H2O If 19 g of oxygen reacts completely, how many grams of hydrogen must react with it? Question options: 4.8 3.6 1.2 2.4

What type of bonds do inorganic compound make

Which compound is a saturated hydrocarbon? (1) hexane (3) hexanol (2) hexene (4) hexanal

If a simple gas is collected over water. The atmospheric pressure is 778 mm and the temperature is 30°C. If the vapor pressure of water at 30 C is 31.8 mm, what is the pressure of the gas?

In order for a substance to change from a liquid to a gas, heat must be taken away heat must be added heat could be either added or taken away heat must be kept constant

Properties are not affected by changes in temperature and pressure