Which of these is an appropriate instrument to measure mass?

balance

scale

ruler

graduated cylinder

Determine the number of moles of al needed to completely react with 9.0 moles of ni2

Which compound reacts with a base in the bicarbonate buffer system in the human body?

What is Graham's law

Which electrons in an atom have the highest energy? a. the valence electrons b. the core electrons c. the s orbital electrons d. the p orbital electrons -apex

Write about electronic configurations

When magma intrudes parallel to another rock layer, the formation is called a (n) A. sill. B. dike. C. extrusion. D. unconformity.

What is the net amount of energy released when 1 mole of H2O is produced

Why is Sn (SO4) 2 named Tin (IV) Sulfate and not Tin (II) Sulfate?

An element x forms an iodide (xi3) and a chloride (xcl3). the iodide is quantitatively converted to the chloride when it is heated in a stream of chlorine: 2xi3+3cl2â2xcl3+3i2 if 0.5500 g of xi3 is treated, 0.2596 g of xcl3 is obtained.

When you kick a soccer ball across a field it will eventually come to a stop. Does this prove or disprove Newton's first law of motion? It disproves Newton's first law of motion because gravity is stronger than friction.