Which statement is FALSE? a. ΔErxn is a measure of heat. b. Enthalpy is the sum of a system's internal energy and the product of pressure and volume. c. ΔHrxn is the heat of reaction. d. An exothermic reaction gives heat off heat to the surroundings. e. Endothermic has a positive ΔH.

Related Questions

• A penny is dropped from the top of a building 290 m high. Ignoring air resistance, if the penny falls straight down, with what speed would it hit the ground?
• Which phrase best describes wave motion? a. movement of energy through space or a medium b. movement of matter through space c. movement of energy within a partice d. movement of air molecules through a medium
• The Milankovitch cycles may have changed Earth's climate in the past. These cycles involve _____. volcanic activity on Earth plate tectonics Earth's tilt and orbit sunspots
• A rock is dropped from a cliff that is 45 m high. How long does it take to hit the ground?​
• A 4.00-g lead bullet is traveling at a speed of 200 m/s when it embeds in a wood post. If we assume that half of the resultant heat energy generated remains with the bullet, what is the increase in temperature of the embedded bullet? (specific heat of lead = 0.0305 kcal/kg⋅°C, 1 kcal = 4 186 J)
• How might a tracer be used to diagnose a digestive problem?
• An electron is emmited by an atomic nucleus in the process of...
• How are the frequency and wavelength of light related?
• What regulatory requirements must be met prior to a pilot acting as PIC of an aircraft towing a glider?
• What is cosmic microwave background radiation?