Balance Fe3O4 + H2 = Fe + H2O

Discuss the distribution of earthquakes and volcanoes in relation to the crustal plates. Are they scattered all over the plates or is there a pattern? Describe.

Select the set of quantum numbers that represents each electron in a ground‑state Be atom. n = 2,? = 0, m? = 0, m s = - 1 2 n = 1,? = 0, m? = 0, m s = + 1 2 n = 2,? = 0, m? = 0, m s = + 1 2 n = 2,? = 1, m? = 0, m s = - 1 2 n = 1,? = 0, m?

How many molecules are in 9.8 grams of calcium

Which of the following is not a drawback of using lithium batteries? A. Lithium's reactivity can cause explosions. B. Lithium batteries require the use of toxic materials. C. Lithium is more easily oxidized than any other metal. D.

What is the osmotic pressure, in torr, of a 3.00% solution of NaCl in water when the temperature of the solution is 45 ºC? Enter your answer scientific notation.

What happens to the elements Sodium (Na) and Chlorine (Cl) when they combine to form salt (NaCl)

Which of the following is the major advantage of using geothermal energy instead of using coal energy? Choice: You will get a brainliest! If your correct! A. More abundant than coal B. Easier to access than coal C. Releases less carbon dioxide D.

What is berylliums energy levels

What is the SI base unit of temperature? Celsius kelvin coulomb Fahrenheit

What property of an object is expressed by the measurement of an item's mass per unit volume? A. density B. viscosity C. surface tension D. buoyancy