cjaSamuddl2ey cjaSamuddl2ey

25-03-2017
Chemistry

contestada

Is burning a physical or chemical property?

Respuesta :

25-03-2017

It is physical as you're not changing the chemical properties you're just changing the state

Answer Link

Zythera Zythera

30-03-2017

Burning is a chemical process by which a fuel is oxidised.

Take for example the burning of methane (CH4):
CH4 + 2O2 --> CO2 + 2H2O

As you can see the methane reacts with the oxygen to produce carbon dioxide and water, releasing heat in the process. The technical name is combustion.

Answer Link

Otras preguntas

If angleA and angleB are supplementary, and angleA = (3x - 9)°, and angleB = (2x + 14)degree, find x

A triangle has vertices P (4.1), Q (4, 5) and R (7,5) What is the area of ∆PQR? (Area= 1/12 basexheight)

Nicky’s classroom is in the shape of a rectangle. His teacher wants to add a border around the walls. The length of the room is 22 feet and the width of the roo

Question 19: 1 2 2 4 8 32 ?

Find dy/dx of y=x^8/5

13. Using squares and dots draw two pictures of objects with different volumes and densities in the space below. The object with smaller volume must have a smal

What is this sign of 30ﾟ angle and the sign of the 60ﾟ angle

For a project in his Geometry class, Marques uses a mirror on the ground to measure the height of his school’s flagpole. He walks a distance of 13.85 meters fro

1.In a simple circuit a 6-volt dry cell pushes charge through a single lamp which has a resistance of 3 Ω. According to Ohms law the current through the circuit

By looking at Filippo Brunellschis Florence Cathedral, Why do you think some have called it the “Eighth Wonder of the world”? What previous architectural struct