Solid sodium reacts violently with water, producing heat, hydrogen gas, and sodium hydroxide. How many molecules of hydrogen gas are formed when 48.7 grams of sodium are added to water?

What can you infer about a wave with a short wavelength? It has a low amplitude. It has a high amplitude. It has a high frequency. It has a low frequency. / 1

Which element on the periodic table is found in liver and is needed to prevent anaemia

The cheetah has been clocked at 112 km/Hr. What speed would this be in ft/sec?

Carbon has a neutral overall charge, an atomic mass of about 12 and an atomic number of 6. How many electrons does carbon have? a. 3 b. 6 c. 12 d. 24

Molarity of 11.0 L of a 2.8 M Ca (OH) 2 solution?

For the baeyer-villiger oxidation of cyclohexyl methyl ketone

What will happen if the density of an object is less than the density of water?

Which cannot be separated into simpler substances? compound element solution mixture

What jobs involve chesmistry

Think about a neutral magnesium atom. Then think of a magnesium ion with a 2+charge. How are these two alike? How are they different? Be sure to use the terms proton, neutron, and electron in your answer.