Describe the method to make pure, dry crystals of magnesium sulfate from a metal oxide and dilute acid.

Which of the following statements is true? question 4 options: nuclear decay rates vary with the conditions of the reaction, but chemical reaction rates do not. chemical reaction rates vary with the conditions of the reaction, but nuclear decay rates do not. neither chemical reaction rates nor nuclear decay rates vary with the conditions of the reaction. both chemical reaction rates and nuclear decay rates vary with the conditions of the reaction.

What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?

How many neutrons does an element have if its atomic number is 50 and its mass number is 166