An ion that does not take part in a chemical reaction is what

Consider just the first sentence of this multistep word problem. Sentence 1: The sum of the ages of a brother and sister is 26. Give an equation that represents this statement using b as the age of the brother and s as the age of the sister.

An unknown substance with a mass of 100 grams absorbs 1000 J while undergoing a temperature increase of 15 C. what is the specific heat capacity of the substance? A. 0.7 J/g*C B. 7.0 J / g*C C. 70 J / g*C D. 700 J / g*C

In your opinion, explain which terminology, twisted zipper or twisted ladder, describes DNA the best, and Why?

An unknown atom has 26 neutrons and an approximate atomic mass of 48 amu. what is the name of this element?

Define a family in chemistry

Milk of magnesia is a base. What happens when you drink milk of magnesia for an upset stomach? A) It raises the pH of your stomach. Eliminate B) It lowers the pH of your stomach. C) It cleanses the stomach of harmful, painful bacteria.

Which of the following can be classified as an empirical formula? Why? A. S2Cl2 B. C6H10O4 C. Na2SO3

A student records the value 1.5 atm on a data table. The student is measuring what?

How do you percipitate things from solution to telluric acid?

The energy needed to get a reaction started is the a. enzyme energy. b. activation energy. c. catalyst energy. d. chemical energy.