One office building contains only incandescent lights. The building next door contains only fluorescent lights. Predict which building has higher energy bills. Explain your answer.

Which explains why carbon is a component of so many elements? A. It appears in more than one form B. It is the most abundant element C. It can react with both metals and nonmetals D. It can form stable compounds with other elements

At the beginning of this lesson, there was a question about two acids. Vinegar, which contains acetic acid, is used in foods and has few safety concerns. Hydrochloric acid is used in chemistry labs and requires the use of safety goggles and gloves.

If you have 6 moles of reactant A and excess of B and C, how much product E would be formed?

Which of these statements is not true, according to kinetic theory? A) there is no attraction between the particles of gas B) only particles of matter in the gaseous state are in constant motion C) the particles of a gas collide with each other and

Calculate the vapor pressure at 25 °C of an aqueous solution that is 5.50% NaCl by mass. (Assume complete dissociation of the solute.)

Is a molecule positive or negative?

A friend tells you, because composition does not change during a physical changes, the appearance of a substance does not change. is your friend correct? explain why.

In which direction dose the sun appear to move across the sky

Which is the SI unit for pressure? Pa Torr psi inHg

Write a neutralization reaction for each acid and base pair. a. HI (aq) and NaOH (aq) b. HBr (aq) and KOH (aq) c. HNO3 (aq) and Ba (OH) 2 (aq) d. HClO4 (aq) and Sr (OH) 2 (aq)