X Question 16
4 Points
A 350. mL solution of 0.150 M HNO 3(aq) is mixed with a solution of 230. mL of 0.240 M HCl(aq). How many moles of H (aq)
are present in the final solution?
А
0.0525 moles H+
(B) 0.108 moles H+
C) 0.195 moles H+
D) 0.0539 moles H+
E 0.186 moles H*

Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.

Which type of fossil does this image depict?

Molecular iodine, i2(g), dissociates into iodine atoms at 625 k with a first-order rate constant of 0.271 s−1. part a part complete what is the half-life for this reaction?