A solid object has a mass of 30 grams and a volume of 10 cm3. which is the density of the object?0.3 g/cm33.0 g/cm330.0 g/cm3

What mass of silicon dioxide contains 9.72 X10e24 molecules of silicon dioxide?

Another name for chemical change

What was used in the first voltaic cell to allow for ion flow between the solutions of CuSO4 and ZnSO4? A. a porous barrier B. a non-porous barrier C. a platinum bridge D. a salt bridge

Ionic compounds can be made from a metallic ion and a nonmetallic ion. Metallic ions are positive (cations). Nonmetallic ions are negative (anions). For each equation given below, enter the sum in the space provided.

If the cell could no longer produce ATP, what would be the effect on the sarcoplasmic reticulum? If the cell could no longer produce ATP, what would be the effect on the sarcoplasmic reticulum? A. The muscle would not contract. B.

The definition of volume is? a) width*height b) the space occupied by mass c) the space occupied by a liquid d) the mass of liquid required to fill a container

What is the empirical formula of a substance that is 53.5% C, 15.5% H, 31.1% N?

What is the lowest layer of the atmosphere and what is its highest altitude?

An atom that has 84 protons and 86 neutrons undergoes a reaction. At the end of the reaction, it has 82 protons and 84 neutrons. What happened to the atom?

A compound of material formed by a chemical is known as?