Why is a piece of apple rotting a chemical change

During a laboratory activity, a student combined two solutions. In the laboratory report, the student wrote "A yellow color appeared." The statement represents the student's recorded (1) conclusion (3) hypothesis (2) observation (4) inference

The law of universal gravitation states that any two objects in the universe without exception ...

What is the value of 1,152 btu in joules

How do you knowif something is spontaneous?

An order calls for Hytone 1% cream, Lotrimin 1% cream, aa q. s. How many grams of Lotrimin cream would be needed to make a total of 60 g of cream?

what happens when baking soda is mixed with vinegar a a new substance is formed B the substances are the same c but the baking soda stays the same but the vinegar changes form D the mixture turns from a liquid into a solid

Which celestial object is found in kuiper belt

When K - and I - combine

Why is CF4 a non polar molecule, even though it contains polar bonds?

What is the nearest noble gas in sulfur