What is a tough, rigid, outer covering that protects some cells and gives them shape?

What type of change does electron have?

What is salad dressing classified as

Explain why the flow of a compressed gas must be controlled for practical and safe use? use

Consider the following reaction: COCl2 (g) ⇌ CO (g) + Cl2 (g) A reaction mixture initially contains 1.6 M COCl2. Determine the equilibrium concentration of CO if Kc for the reaction at this temperature is 8.33 * 10-4 (Hint: Note the size of Kc).

Identify which subatomic particle match each descriptions

As the average kinetic energy of the particles in a gas increases, which of the following occurs? The temperature of the gas increases. The temperature of the gas decreases. The number of particles increases. The number of particles decreases.

What is the type of strong chemical bond between carbon, hydrogen, and oxygen atoms in a single organic molecule?

0.100 mol of CaCO3 and 0.100 mol CaO are placed in an 10.0 L evacuated container and heated to 385 K. When equilibrium is reached the pressure of CO2 is 0.220 atm. 0.

What is true about the charges of transition metal ions?

A gas obeys the ideal-gas equation of state P V = N k T, where N = n NA is the number of molecules in the volume V at pressure P and temperature T and n is the number of gm-moles of the gas.