Which indicator would best distinguish between a solution with pH of 7.4 and a solution of 9.2?

1) phenolphthalein

2) thymol blue

3) bromthymol blue

4) litmus

According to the kinetic theory, gases consist of particles that have motion that is constant, random, and rapid. occupy considerable volume. exert attractive and repulsive forces on other particles. are relatively close together.

Which of the following statements is true about cohesion? a It results in surface tension. b it produces a surface film. c It is the attraction between particles of the same substance. d all of the above.

If 7.25 kJ of heat is applied to a 980 gram block of metal and the temperature started at 25C and finished at 36 C. What is the specific heat of the metal in J/g C

How many valence electrons does aluminum (Al) have available for bonding? 1 2 3 4

How many moles of Ag will be produced from 46.0 g of Cu, assuming AgNO3 is available in excess?

The table below shows four samples of carbon dioxide and the temperature of the water that they were dissolved in. sampletemperature of water (°c) 178273355463which of the samples most likely had the lowest solubility?

Using the periodic table, which of the following can be predicted for an atom of chlorine? It has 35.45 protons It has 17 protons It has 35.45 neutrons It has 17 neutrons

Which of these represents a chemical change?

A chemist measures the amount of iodine solid produced during an experiment. she finds that 1.6 g of iodine solid is produced. calculate the number of moles of iodine solid produced.

Write the equilibrium constant: Pb3 (PO4) 2 (s) = 3Pb2 + (aq) + 2PO2 (aq)