sodium carbonate decahydrate crystals were left exposed on a watch glass for two days state the observation on the crystals after two days

A sample of an ideal gas is cooled from 50.0 degrees celsius to 25.0 degrees celsius in a scaled container of constant volume. Which of the following values for the gas will decrease? 1. The average molecular mass of gas. 2.

Which group of the periodic table contains atoms with a stable outer electron configuration

2.00 moles of an ideal gas was found to occupy a volume of 17.4 L at a pressure of 3.00 atm and at a temperature of 45 °C. Calculate the value of the gas constant 'R' in (Latm) / (molK)

A 2.25L balloon filled with gas is warmed from 249.6K to 309 K. What is the volume of the gas after it is heated?

Which type of chemical bond involves the sharing of valence electrons between two atoms?

The electron configuration 1s22s22p63s23p6 represents which noble gas?

What feature distinguishes a neutral atom from an ion

What is urine made of?

How many grams of F - must be added to a cylindrical water reservoir having a diameter of 2.02 * 102 m and a depth of 87.32 m?

How do you know when it's the same element?