The density of copper is 9.0g/cm3 and the mass of a copper coin is 0.31g. Calculate the volume of the coin.

When 25 mL of 0.30 M ammonium iodide and 25 mL of 0.30 M sodium hydroxide are combined, the pH of the resulting solution will be : ... A. Less than 7 B. Equal to 7 C. Greater than 7

HF + NaOH - > H2O + NaF. How many grams of sodium fluoride can be expected if 100mL of Hydrofluoric acid is used?

What is the study of the mass relationships among reactants and products in a chemical reaction?

What is the term that defines the smallest piece of a crystal that shows the shape of that type of crystal?

a propane tank containing 55l has 2.46 moles of the gas C3 is propane what would the number of moles if 1/2 of the gas is used

Which laws can be combined to form the ideal gas law? Boyle's law and Charles's law Gay-Lussac's law and Avogadro's law Charles's law, Avogadro's law, and Boyle's law Dalton's law, Gay-Lussac's law, and Avogadro's law

What determines the horizontal arrangement of the periodic table?

A 55.3 g sample of lead heated and then quenched in a 175g sample of water. During the quenching reaction the temperature of the water increases from room temperature, 25.0 °C, to 42.6 °C.

What conclusion can you draw from this experiment about the components of the black ink

How does the size of ions affect the conductivity of a solution?