How many moles are in 15.5-g SiO2

Suppose a sample of air can hold at most 10 grams of water vapor. If the sample actually had 2 grams of water vapor, what is its relative humidity

Sulfur has a lower ionization energy than chlorine because 1. the effective nuclear charge of sulfur is less than that of chlorine. 2. sulfur has a greater ionization energy than chlorine. 3.

A sample of hydrogen gas, H2 (g), is placed in a 0.500 L container at 295 K. The gas pressure is 1.442 bar.

Is mixing salt into water an example of a chemical synthesis reaction?

What is the balanced equation when aluminum reacts with copper (ii) sulfate in a single displacement reaction?

If a clot were made up of a mass of proteins, what change in the proteins led to the formation of a clot?

How many types of eggs can mothers create

If a piece of metal, such as calcium or magnesium, reacts with atmospheric oxygen, would you expect the product to have a greater or lesser mass than the reacting metal?

How is the salt formed in a neutralization reaction written in a chemical reaction?

When red litmus paper is added to limewater, then what will be the change in litmus paper? Give reason. Write the chemical formula of limewater also.