how many grams of magnesium metal are required to react with 21.1 g of nitrogen gas to produce magnesium nitride || stoichometry, please help!! and please show work ||

The number to the right of an element's symbol (ex. c-12) identifies the of an isotope.

Select the correct answer a modure consists of glucose and water. what is the percent composition of glucose in the mixture if it contains 1.3 moles of glucose (cho total mass of the mature is 276 grams? ) and the a 1775

Which of the following describes the entropy change as a solution is made from a liquid and solid