Explain how a cell is like a system?

Sand (silicon dioxide) and coke (carbon) are combined to form silicon carbide (SiC), a compound used in high-strength ceramic materials. What mass of silicon carbide will be produced from the reaction of 352 g silicon dioxide?

What number is most likely to be expressed in scientific notation

Starting with acetylene and bromoethane, show how you would use reagents from the table to synthesize 3-hexanone.

What mass of magnesium bromide is formed when 1.00 g of magnesium reacts with 5.00 g of bromine?

What is the volume of an object with a density of 7.73 g/cm^3, and a mass of 5.40 x 10^2 g?

Martha has a large amount of 1.25 M H2SO4 in her lab. She needs 36 grams of H2SO4 for a chemical reaction she wants to perform. How many liters of solution should she use?

A student makes observations when water is added to a blue solution of copper sulfate. The student makes only 1 observation: the solution changes to a lighter shade of blue. Is this an example of a chemical reaction? Explain your reasoning.

When dos the spring tide occur

As ice transforms into steam, Question options: new molecules are formed. the types of atoms are changed. energy is absorbed by the molecules. the mass of the molecules is increased.

Why do chemists consider the periodic table so useful?