If the particles in a sample of matter have an orderly arrangement and move only in place, the sample is a

a. gas.

c. solid.

b. liquid.

d. substance.

Hydrazine, N2H4, reacts with dinitrogen tetroxide, N204. 2 N HAO + N20 (g) - 4 H20 (1) + 3 N, (g) When 0.10 mol of hydrazone reacts with 0.

At a certain temperature the vapor pressure of pure thiophene is measured to be. Suppose a solution is prepared by mixing of thiophene and of acetyl bromide. Calculate the partial pressure of thiophene vapor above this solution.

Problem page write a balanced half-reaction describing the oxidation of aqueous chromium (ii) cations to aqueous chromium (iv) cations.

On a container of chicken broth you notice the instructions to ""shake well before serving."" Which of the following best describes the chicken broth? A. A solution B. An element C. A compound D. A suspension E. A pure substance

Would you expect the Mg3[Cr (CN) 6]2 to be diamagnetic or paramagnetic? Explain your reasoning.

31.65 mL volume of 1.07 M Fe (NO3) 3 is mixed with 44.96 mL of 0.79M Fe (NO3) 3 solution. Calculate the molar concentration of the final solution. Save rounding until the end.

At standard pressure, during which physical change does the potential energy decrease?

How are inner and outer planets different?

What process do body cells use to divide

Recall the postulates of kinetic molecular theory read the list and check all the statements that apply to behavior of an ideal gas