Why do some fuels when burnt produce more heat than others?

Which of the following is not a characteristic of electromagnetic light waves?

What is a convalent bond? what is an ionic bond?

Explain what monatomic ion Potassium will form with Fluorine.

Explain how atomic size of d-block is smaller than s-block orbital

What provides the energy for photosynthesis to take place?

Halogens have ... Electron affinity

Observe: Change the Surface area from Minimum to Maximum. You can imagine that a solid reactant has been dissolved in a liquid. How does this change how many Reactant B molecules are exposed to Reactant A?

When placed in a 200-mL square box, a substance has a spherical shape and has a volume of 75 mL When placed in a 200-mL circular tube, the same amount of that same substance has a spherical shape and a 75-mL volume.

What is the example to the word camouflage

Given the reaction 2NaOH + H2SO4 = Na2SO4 + 2H2O, what is the total number of grams of NaOH needed to react completely with 196 grams of H2SO4