The smallest part of a element that retains the properties of that element

Less dense then gas

Which reaction occurs most rapidly at standard conditions? H2 (g) + I2 (s) 2HI (g) Cu (s) + S (s) CuS (s) C6H12O6 (s) + 6O2 (g) 6CO2 (g) + 6H2O (g) 5C2O42 - (aq) + 2MnO4 - (aq) + 16H + (aq) 10CO2 (g) + 2Mn2 + (aq) + 2H2O (l) Ag + (aq) + I - (aq)

12.5ml of 2.0m NaOH neutralizes 10ml og HCL, what is the acid concentration

Which of the following contains the smallest amount of matter? 25 g 2.5 hg 2,500 dg 0.25 kg

In a redox reaction, one of the reactants must release a. H + ions b. OH - ions c. electrons d. gas

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.