Which is a characteristic of most solid nonmetals?

good conductor of heat and electricity

easily breaks or crumbles into powder

shiny and ductile

can be rolled into flat sheets

A sample of calcium carbonate, caco3 (s) absorbs 45.5 j of heat, upon which the temperature of the sample increases from 21.1 °c to 28.5 °c. if the specific heat of calcium carbonate is 0.82 j/g·˚c, what is the mass (in grams) of the sample?

How many moles of AgCl will be produced from 60.0 g of AgNO3, assuming NaCl is available in excess?

A student needs. 575 moles of sodium chloride for an experiment. how many grams she she mass out

Why is the second ionization energy of any element higher than its first ionization energy?

If a buffer solution is 0.540 M in a weak acid (K a = 8.0 * 10 - 6) and 0.230 M in its conjugate base, what is the pH?

The ductility of a material is the measure of a) The amount of elastic deformation that can be sustained before yielding b) The capacity of a material to absorb energy when it is deformed elastically c) The degree of plastic deformation that has

Consider the polymerization of styrene in toluene at 60°C initiated by di-t-butylperoxide for a solution containing 0.04 mol of initiator and 2 mol of monomer per liter. The initial rates of initiation, Ri, and propagation, RP, are found to be 1.

Which of the dollowing isotopes have 8 neutrons in the nucleus? 0-15 0-17 C13 O C14

Click the DeltaH is an Extensive Property button within the activity, and analyze the relationship between the two reactions that are displayed.

The fundamental unit used to measure mass is?