how much NaCl could be added to 200.0 grams of water at 40.0 degrees celsius to make a saturated solution?

Which of the following best explains why the end of a spoon sticking out of a cup of hot water also gets hot? question 7 options: the heat from the hot water is conducted through the spoon handle the hot water heats the air surrounding the upper part of the spoon. the hot water causes a physical change in the spoon handle. the hot water causes a chemical reaction to take place in the spoon.

Use examples from the article to explain one positive and one negative effect that chemistry has had on society.

According to the vsepr theory what is the shape of a molecule that has a central atom valence three other items with no lone pairs of electrons