Which the following countries founded their first permanent settlement in North America: England, the Netherlands, France, and Spain

The density of lead is 11.3 g/mL . The water level in a graduated cylinder initially at 206 mL rises to 287 mL after a piece of lead is submerged. What is the mass in grams of the lead?

The most important commercial process for generating hydrogen gas is the water-gas shift reaction:. CH4 (g) + H2O (g) → CO (g) + 3H2 (g). Use tabulated thermodynamic data to find ΔG° for this reaction at the standard temperature of 25°C.

5. How many mm are equal to 4.75 x 10-2 m?

Which subatomic particle plays the greatest part in determining the properties of an element?

If each fission reaction in a nuclear reactor emits three neutrons, how many neutrons are produced from three fission reactions? one three six nine

The atomic number of an element best corresponds to which of the following? O The mass of an atom of that element. O The number of electrons orbiting the nucleus of an atom of that element.

If a dinosaur once lived in mexico, and i now live in arkansas, can i be drinking the same water the dinosaur did?

Dough to which potassium bromate has been added rises better, producing a lighter, larger volume loaf.

Each enzyme has an optimal temperature and pH that it works best in. If enzyme ABC works best at pH 7, but ABC is in a cell with a pH of 9, will it catalyze more or less reactions?

What is the molarity of a solution that contains 5.0 moles of solute in 2.0 liters of solution?