If 90 grams of gold has a volume of 5 cm 3 , calculate the density (include the units and show your work or you get no credit) AND

If the density of a diamond is 3.5 g/cm 3 , what would be the mass of a diamond whose volume is 0.5 cm 3(include the units and show your work or you get no credit).

Can you guys me with question no. 5!

Percent ionization for a weak acid (ha) is determined by the following formula: percent ionization=[ha] ionized[ha] initial×100%for strong acids, ionization is nearly complete (100%) at most concentrations. however, for weak acids, the percent ionization changes significantly with concentration. the more diluted the acid is, the greater percent ionization.a certain weak acid, ha, has a ka value of 9.4×10? 7.part acalculate the percent ionization of ha in a 0.10 m solution.part bcalculate the percent ionization of ha in a 0.010 m solution

What are several ways to reduce the effect of friction