Zn(s) + 2HCl(aq) > ZnCl2(aq) + H2(g) When a student adds 50.0 ml of 1.00M HCl to 2.35g of Zn, a reaction occurs according to the equation above.

When the reaction is complete at 273K and 1.0 atm what volume of H2 is produced?

Identify one disadvantage to each of the following models of electron configuration: dot structures arrow and line diagrams written electron configurations type in your answer below.

What layer of the atmosphere is directly above the troposphere?

An animal cell loses the ability to convert energy stored in food to energy that the cell can use. which of the cell's organelles has stopped working? a. the mitochondria b. the nucleus c. the vacuoles d. the endoplasmic reticulum