Nguyên tử X có tổng số hạt là 43.biết trong hạt không mang điện nhiều hơn số hạt mang điện là 1

You 4. you have been swimming in your neighbor’s pool for an hour. the relative humidity of the air is 30 percent. will you feel warm or cool when you step out of the pool? explain your answer.

Using complete sentences, explain how to predict the products and balance the reaction between sulfuric acid and potassium hydroxide.

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.