James found that 10.0 mL of a 0.50 M NaOH solution were required to completely titrate 20.0 mL of an unknown concentration H2SO4 solution. What is the concentration of the H2SO4 solution?

A) 0.125 M

B) 0.250 M

C) 0.500 M

D) 0.750 M

According to the kinetic molecular theory, particles of matter

A concentrated solution of compound A in the same solvent was diluted from an initial volume of 2.00 mL to a fi nal volume of 25.00 mL and then had an absorbance of 0.733. What is the concentration of A in the concentrated solution?

What information does a phase diagram give

Quantum numbers for osmium

Chemical weathering change the ___ of rock

Mixtures have (exact, relative) amounts of the same substances

The Doppler effect indicates that the universe is expanded because A. light from other galaxies is different colors B. light from other galaxies are blue shift C. light from other galaxies are red shift D. light from other galaxies is the same color

2. What is the importance of meiosis and fertilization in sexual reproduction?

Molecules are the smallest units of matter with the characteristic properties of a substance. a. True b. False

For the following hypothetical reaction: 3A + 2B - > 3C. How many moles of C can you produce with 5 moles of A and excess B?