What states that matter is never created or destroyed?

Which equation represents the total ionic equation for the reaction of HNO3 and NaOH? Upper H superscript plus, plus upper O upper H superscript minus right arrow upper H subscript 2 upper O.

Values of R, the ideal gas constant, and the ideal gas equation are given below. Use these to solve the problems. PV = nRT A 10.0-L rigid container holds 3.00 mol H2 gas at a pressure of 4.50 atm.

At STP, how many liters of oxygen are required to react completely with 3.6 liters of hydrogen to form water, 2H 2 (g) + O 2 (g) - --> 2H 2O (g) ?

What element is named after Albert Einstein?

AlCl3 + Na NaCl + Al Did Na change oxidation number?

An average copper penny minted in the 1960s contained about 3.000 g of copper. how much chalcopyrite had be mined to produce 100 pennies?

Which pack has the greatest change in enthalpy, warm packs (such as hand warmers) or cold packs (such as an ice pack) ?

A gay cylinder what are the variables in gay-lussacs law

What is the cosmic address of earth in the cosmos?

What values do we plot on the y-axis of a graph