Answer:
this is difficult but simple to answer
Explanation:
all atoms move in 1 direction no more than 2
Answer:
1. All the possible energy transformations that occur with a dishwasher that uses electrical energy are heat energy because the dishwasher uses the electrical energy to heat the water, also electrical energy is transformed into kinetic energy and sound energy the reasoning behind this is that the parts moving inside the dishwasher is causing the sound.
2. Take as an example a light bulb inside a lamp to illuminate a room. When you plug it in a plug and turn it on, light is generated. More precisely, heat (Joule effect) is produced inside the lamp by its internal filament (conductive material) when it passes through the electrical energy, generated by the friction of the atoms that are inside it when it encounters a resistance.
Explanation:
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A physical change.
Physical change = can be reverted + doesn't change substance
Chemical = changes substance
1) baking soda (NaHCO₃ - sodium bicarbonate) is white, solid, crystalline salt or <span>appears as a fine powder.
2) vinegar is mixture of acetic acid (CH</span>₃COOH) and water (H₂O). Vinerar is colourless liquid with <span>sour taste and pungent smell.
3) Chemical reaction: </span>NaHCO₃ + CH₃COOH → CH₃COONa + CO₂ + H₂O.
Jane should see bubbles of carbon(IV) dioxide.
4) sodim acetate (CH₃COONa) is solid and carbon dioxide (CO₂) is gas.
5) Jane can put burning match over reaction, the fire on the match is going to put out because of carbon dioxide.
Answer:
stick together like magnets
Explanation:
