Why are mixtures important in our daily lives

A rigid container of gas has a pressure of 1.72 atm and temperature of 21 oC. If the temperature increases to 85 oC, what is the new pressure in atm?

The evaporation rate of chloroform (CHCl3) in air has been experimentally measured in an Arnold diffusion cell at 25°C and 1.00 atm. Over a period of 10 hr, the chloroform dropped 0.44 cm from the initial surface 7.40 cm from the top of the tube.

Why are familiar objects such as pens and paper clips not commonly counted in moles?

The men's world record for swimming 1500 m in a long course pool is 14 min 34.56 s. At this rate how many seconds would it take to swim 0.700 miles

If a hydrogen ion is formed from a water molecule, what other ion is also formed?

When does a spring tide take place? At the beginning of spring Only during the spring season Only after spring is over At any time

The highest cloud are known as

What is the mass of 4.85 X 10^22 atoms of iron (Fe) ?

If element x has 95 protons how many electrons does it have

Which of the following when dissolved in deionized water would make a good conducting solution? a) methanolb) sugarc) baking soda