Zinc is extracted by removing oxygen form zinc oxide what is the name given to a reaction in which oxygen is removed from a substance

How many neutrons and protons (nucleons) does an atom with thesymbol S have? A. 33 B. 16 C. 49 D. 17 E. none of the above.

How many atoms are in 5 moles of phosphorous (P) ?

At 1 atm, how many moles of co2 are released by raising the temperature of 1 liter of water from 20∘c to 25∘c? express your answer to four decimal places and include the appropriate units.

Write the name and formula for the chemical substance which is produced in most acid-base neutralization reactions

A student sets up a reaction and calculates a possible yield of 55.9 grams of silver. If the student performs the reaction and the mass of actual silver obtained is 42.5 grams, what is the percent yield?

If the amount of atoms of each type on the left and right sides of a reaction differ, what must be done to balance it? A. It should be left alone B. Coefficients are placed in front of the reactants and/or products C.

All metals a melt at high temperatures b conduct heat and electricity c contain iron d react with air and water

Predict the following chemical formula for a compound between calcium and chlorine.

Two pieces of silk have an electric charge after being rubbed on a piece of amber. What will happen when the two silk pieces are brought close together? A. They will repel one another. B. They will attract one another. C.

The chemicals formula of glucose is c6h12o6. what are the names of the elements in glucose and how many atoms of each element are present in glucose molecules