5. Write word equations for the following reactions

a) Burning of Sulphur in oxygen

b) Burning of carbon in excess oxygen

c) Burning of Sulphur in presence of Iron fillings

An ionic bond can be formed between

How many pi bonds does CS2 have?

How many grams of chromium metal are plated out when a constant current of 8.00 a is passed through an aqueous solution containing cr3 + ions for 160. minutes?

Which type of body wave always arrive second

which combination of temperature and pressure correctly describes standard temperature and pressure, STP? A) 0 degrees C and 101 kPa B) 1 degrees C and 0 kPa C) o degrees C and 22.4 kPa D) 100 degrees C and 100 kPa

Determine the name of the compound Li2O

Complete the reactions to show how butanoic acid may be converted to phenyl propyl ketone.

As a sample of the radioactive isotope 131I decays, its half-life (1) decreases (2) increases (3) remains the same

How many Joules of energy are required to change 10.0 gram of ice at - 2.0 C to water at 20.0 C? (use your constants) 440 J 66,000 J 880 4220 J

Why are Van der Waals forces important? A) They determine how strong dipole moments will be in polar covalent molecules B) They are the strongest type of intermolecular force that can act on polar and non-polar molecules C) They are primary