What holds calcium chloride together?

A. hydrogen bonding

B. metallic bonding

C. ionic bonding

D. dipole forces

E. van der Waals forces (London dispersion forces)

What minimum concentration of k2co3 is required to cause the precipitation of the cation that precipitates first?

The movement of the hydrophobic gas nitrous oxide (n2o) (laughing gas) into a cell is an example of

What is pH? Question 1 options: how basic a solution is how acidic a solution is the concentration of potassium ions in a solution the concentration of hydrogen ions in a solution

Which type of radiation is the smallest in size? alpha radiation beta radiation gamma radiation positron radiation

Which is a chemical property A. The ability to be stretched into a thin wire, B. The ability to react with oxygen, the ability to melt at a low tempature

What is called what a scientist personal opinion affects the way experimental results are reported? A. Bias B. Classifying C. Inductive reasoning D. Procedure

Coffee is decaffeinated industrially using supercritical (sc) CO2. One advantage to using scCO2 is that the polarity of the supercritical fluid can be tuned by varying temperature, pressure and cosolvent additives.

The relationship between pressure and temperature of a gas, when volume and moles of a gas are held constant, is: P*T = k. TRUE FALSE

The system is said to be in dynamic equilibrium when: Select one: a. there is no longer any net change in the concentrations of products or reactants. b. the forward and reverse reactions come to a halt. c. None of these d.

You have a 1 L container of a gas at 20 C and 1 atm. Without opening the container, how could you tell whether the gas is chlorine or fluorine? a. measure the mass of the gas b. measure the speed of the gas molecules c.