How does the percent of salt and sand from the beginning compared to the same percentage after performing the experiment?

Equal amounts of heat are added to equal masses of substances A and B at the same temperature, but substance B gets hotter. What is true of their heat capacities (c) ?

36 g of water vapor takes up how many liters at room temperature and pressure of 293K and 100 K PA

in chlorine gas, two chlorine atoms join to form a Cl2 molecule. How many pairs of valence electrons do the atoms share? What type of covalent bond is formed

The human body obtains 1062 kJ from a candy bar. If this energy were used to vaporize water at 100 ∘C, how much water in liters could be vaporized? (Assume that the density of water is 1.0 g/mL.) The heat of vaporization of water at 100 ∘C is 40.

How does things go sublime

Acids feel slick or soapy and usually have a bitter taste. True or False

What are two ways in which density has practical importance?

What happens to the density of a fluid when it is cooled?

What is meant by polar molecule?

Which kind of dating can be used to determine the exact age of the rock and which kind of carbon dating is used to compare the ages of rocks?