The answer is A because An Indicator" changes color when it comes in contact with an acid or a base
An indicator could be anything like:
1) Litmus paper
2) Bromothymol blue
3) Phenolphthalein
I believe it is, since the heat causes the water to evaporate and cause condensation,
Its the same thing. Is 250 grams more then 100 grams
my bad i clicked the wrong question to do sorry i wish i could help but im dumb lol
The potential energy of the box when it gets to the top is
(mass) (gravity) (height)
= (7 kg) (9.8 m/s²) (5 m)
= 343 joules.
That's the work done against the force of gravity. Any
additional work is done against the force of friction.
