What kind of chemical reaction does the chemical equation sodium + chlorine → sodium chloride represent?

How do muscles work in pairs to make parts of the body move?

A circuit contains two devices that are connected in parallel. If the resistance of one of these devices is 12 ohms and the resistance of the other device is 4 ohms, the total resistance of the two devices is

For the oxidation of glucose (C6H12O6 + 6O2 - - > 6H20 + 6CO2), how many grams of oxygen gas will be consumed when 950g of glucose is oxidized completely?

If one atom of potassium and one atom of chlorine form an ionic bond, what are the charges of the two ions? A. K + 1, Cl - 1 B. K - 1, Cl + 1 C. K + 2, Cl - 2 D. K - 2, Cl + 2

What did ernest rutherford's gold foil experiment demonstrate about atoms? their positive charge is located in a small region that is called the nucleus. their negative charge is located in small particles that are called electrons.

How many grams of NaOH are needed to make 500 mL of a 2.5 M NaOH solution

During its life cycle, an amphibian lives both on land and in water.

An atom that contains 22 protons, 23 neutrons, and 22 electrons would have a mass of approximately

Compared with a ph of 7, a solution of ph 5 has what times/fraction of the hydrogen concentration?

Write a formulae equation to represent the combustion of carbon to form carbon dioxide and the thermal decomposition of magnesium carbonate