Taking onto onsideration of mass

Zinc metal reacts with hydrochloric acid to produce hydrogen gas. How many liters of hydrogen can be produced at STP if 13.5g of zinc are reacted with excess HCI? Zn + 2 HCI → H2 + ZnCl

What is potential energy? A The energy an object has due to its position or condition. B The energy an object has due to its motion. C The energy an object has due to its chemical composition. D The energy an object has due to its atomic structure.

Is the following sentence true or false? In a chemical change, other forms of energy cannot be changed to chemical energy.

Name organic compounds

To what volume must 480.0 mL of 3.50 M Cu (NO3) 2 be diluted to produce 2.10 M Cu (NO3) 2?

What is the percent yield if 4.65 g of copper?

Is a oak tree a invertebrates

If an object has the mass of 109.67 g and a volume of 16.99 cm3 what's its density

A mixture contains two or more substances chemically combined while a compound contains two or more substances physically combined. True False

C AL = - 4.184 * 39.85 * 4.7 : 11.98 * (-72.9)