How many grams of nacl will be needed to form 600ml of s saturated solution at 100°c

How much energy moves onto the next level, in an energy pyramid

2pos suppose an object in free fall is dropped from a building. its starting velocity is 0 m/s. ignoring the effects of air resistance, what is the speed (in m/s) of the object after falling 3 seconds? give your answer as a positive decimal without units. answer here

The chart shows the bid provided by four contractors to complete a job. which contractor is the most cost-effective?