Why is cng preferred over petrol or diesel?

In the reaction of sodium and oxygen, which atom is the reducing agent?

Which pair of elements will form covalent bond? a hydrogen and chlorine sodium and chlorine copper and bromine zinc and bromine

if a volume of air occupying 12.0Lat 20celsius is heated to a new temperature of 100 celsius, what would be the new volume

How do you differentiate a weak acid from a stron acid?

What kind of weather does a stationary front bring?

What are elements and how do they differ?

Write the structire of the salt that forms when diethylamine is mixed with hydrochloric acis

The heat of combustion of propane, C3H8, is 2220 kJ/mol. The specific heat of copper is 0.385 J/g°C. How many grams of propane must be burned to raise the temperature of a 10.0 kg block of copper from 25.0°C to 65.

Which is an example of Temporal Isolation? A. Flowers that bloom in different months. B. Birds that have different mating calls C. Fruits flies that mate in different locations. D. Squirrels that have different fur colors

A chemical reaction can start when enough activation energy is added to the reactants. Do you think the activation energy for chemical reactions in living things is high or low / Explain your answer