NECECITO EXPERIMENTO TRADUCIDOS EN Inglés?

Experimento de en Inglés.

Experiment 1

Materials :

Sodium bicarbonate

1 Napkin

1 cork

1 straw

1 small plastic bottle

Sewing thread

vinegar

1 candle

matches

Instructions :

Place 4 tablespoons of Sodium Bicarbonate powder on the napkin, tie up the corners using the sewing thread, leaving a thread end about 15cm.

Place 5 tablespoons of vinegar in the plastic bottle.

Enter partially the baking napkin and tie the 15cm end of the thread out of the bottle so that the napkin bag hangs.

Pierce the center of the cork and insert the straw.

Place the cork with the straw covering the bottle.

Light a candleShake the bottle holding the straw covered with your index finger.

Remove your finger and project the gas bottle on the already lighted candle,

What happen?

The reaction of vinegar and sodium powder (base and acid) produces carbon formadioxido through the straw removing the oxygen since it’s is heavier than the air it extinguishes the flame.