The ability to put in a light bulb with greater ease is because the bottom half is what type of simple machine?

helium gas in a 2.00 L cylinder is under 1.12 atm pressure. At 36.5°C that same gas sample has a pressure of 2.56 atm. What was the initial temperature of the gas in the cylinder?

When rocks return to the earths mantle what are the main factors that control this change.

Which of the following black body curves is representative of stars like our sun? A B C

Besides the ester, what other substance or substances are formed in each reaction?

A gas occupies 3.5L at 2.5 atm of pressure. What is the volume at 787 torr at the same temperature?

What happens when molecular compounds melt?

True or false: for genetic engineering the specific traits of a given organism are located on the DNA sequence of the chromosomes are genes

A container with a volume of 3.46 liters contains a gas at a pressure of 1.30 atmospheres and a temperature of 274.27 Kelvins. How many moles of gas are in the container?

Benzene, C6H8, has an enthalpy of fusion = 10.19 kJ/mol. Calculate the amount of energy which is needed to change 88.0 g of solid benzene at 5.53°C into liquid benzene, also at 5.53°C?

What is the H3O + ion concentration of a solution that has an OH - ion concentration of 1.0 * 10^-3M? A) 1.0 * 10^-3M B) 1.0 * 10^-7M C) 1.0 * 10^-11M D) 1.0 * 10^-14M