How many Atmos are in of hydrogen (H) are found in this substance below .
(NH4)2CO3
Answers:
1. Two
2. Four
3: Six
4: Eight

Which is true of the reactants in this displacement reaction? fe + 2hcl fecl2 + h2 a. the reactants are located to the left of the arrow in the chemical equation. b. the reactants contain 1 iron atom, 2 hydrogen atoms, and 1 chlorine atom. c. the reactants are the atoms, molecules, or compounds formed in the reaction. d. the reactants have the same physical and chemical properties as the products.

Based on the equation and the information in the table, what is the enthalpy of the reaction?

All cells are made of four types of acids, lipids, proteins, and carbohydrates.