Is the bond type of PCl3 polar or nonpolar?

And is its molecular polarity polar or nonpolar?.

A jogger runs 107 yd in 10.00 seconds. What would be his time for a 437 m run at the same rate? Answer in units of s.

A bomb calorimeter has a heat capacity of 2.47 kj/k. when a 0.105-g sample of ethylene (c2h4) was burned in this calorimeter, the temperature increased by 2.14 k. calculate the energy of combustion for one mole of ethylene. a. - 0.259 kj/mol b. - 50.

If earth did not rotate what would happen to the hlobal wind

Which is not an indication of a chemical change

The reaction A + B → 2 C has the rate law rate = k[A][B]³. By what factor does the rate of reaction increase when [A] remains constant but [B] is doubled?

Which subatomic particle identifies an atom as that of a particular element? how is this particle related to the atoms atomic number

Which of the following prefixes means seven

Which of the solutions below is a weak electrolyte? nacl (aq) koh (aq) hcl (aq) h2so3 (aq) all of these?

What is the gram formula mass of Ca (OH) 2

How much heat is absorbed by a 37g iron skillet when its temperature rises from 8oC to 24oC?