An isotope of which element has an atomic number of 6 and a mass number of 14

Is it true that the overall charge of a formula unit for a compound is never zero?

If 28 ml of 5.8 m h2so4 was spilled, what is the minimum mass of nahco3 that must be added to the spill to neutralize the acid?

Matter has both physical and chemical properties and can undergo physical or chemical changes. Physical properties are those that a substance displays without changing its composition, whereas chemical properties are evident only during a chemical

Can Iron replace Hydrogen in the following reaction?: Fe (s) + HCl (aq) - - - > H2 (g) + FeCl2 (aq)

what is a example of chemical weathering. A) erosion of land caused by receding glaciers. B) the layer of oxide formed on statues made of metal. C) deposition of silt along the bank of the Mississippi River.

A friend tells you, because composition does not change during a physical changes, the appearance of a substance does not change. is your friend correct? explain why.

In which direction dose the sun appear to move across the sky

Which is the SI unit for pressure? Pa Torr psi inHg

Write a neutralization reaction for each acid and base pair. a. HI (aq) and NaOH (aq) b. HBr (aq) and KOH (aq) c. HNO3 (aq) and Ba (OH) 2 (aq) d. HClO4 (aq) and Sr (OH) 2 (aq)

What is the mole ratio of oxygen to propane (C3H8) in the following equation? C3H8 + 5O2 ➡ 3CO2 + 4H2O 5:1 10:11 10:3 1:10