0.01 M HCl solution has a pH of 2. Suppose that during the experiment, both the universal pH indicator and the cabbage indicator turn orange-red for 0.01 M HCl. What can you conclude about the the cabbage indicator key?

What is the kind of energy that occurs when nuclear bonds split or fuse?

A primary purpose of conducting a hazardous materials exercise is to find out: a. whether planned procedures work b. which responders should receive raises c. what federal and state resources could be made available for such an incident d.

Which statement about the elements in the periodic table is true? A) The number of valence electrons increases as atomic mass increases. B) The reactivity of alkali metals increases as atomic mass increases.

What is true about the solution process involved in an instant cold pack? The process is endothermic and has a negative enthalpy of solution. The process is exothermic and has a negative enthalpy of solution.

Which of the following is a substance that is found between the cell membrane and the nucleus, which primarily consists of water and holds organelles? A. cytoplasm B. cell membrane C. mitochondria D. chloroplast

The reaction that joins thousands of small, identical molecules to form one very long molecule is called (1) esterification (3) polymerization (2) fermentation (4) substitution

The scientists who developed atomic theory

A sulfur atom has a mass number of 31, 16 protons, 15 protons, and 18 electrons. What is the charge of this atom

Consider a solution containing. 100 M fluoride ions and. 126M hydrogen fluoride. The concentration of fluoride ions after the addition of 5.00 mL of. 0100 M HCl to 25.0 mL of this solution is ___M

What is the lightest element?