Which substance can not be decomposed by a chemical change?

A. Ammonia

B. Carbon

C. Methane

D. Water

Round 0.0952 km to 2 significant figures: A: 0.09 B: 0.095 C: 0.1

When OH - and H + ions are brought together, they quickly combine to form water molecules. a. True b. False

Which Alkali Metal Carbonate? Imagine you are an analytical chemist and have received a sample of a pure alkali metal carbonate from a newly discovered deposit. Your task is to determine which alkali metal carbonate is present in the sample.

Which of these is the smallest volume 500mL, 2,500 cm3, 5.5•10-1, 25 m3

A target of bismuth-209 was bombarded with iron-58 for several days. one atom of meitnerium (266109mt) was produced. how many neutrons were released in the process? 20983bi + 5826fe 266109mt + ?

Given 4.80g of ammonium carbonate, find: Number of moles of the compound Number of moles of ammonium ions Number of moles of carbonate ions Number of moles of hydrogen atoms Number of hydrogen atoms

The density of water is 1.0 g/cm3 will rubbing alcohol float with a density of 0.81 g/cm3

Write an equation that shows the formation of the phosphide ion from a neutral phosphorus atom.

Which of the following terms is defined by the measure of mass per unit of volume? gravity density weight acceleration

Select the lon. O NO₂ H2SO4 O A3