Use the data in the table below to compute the deltaH for NO(g) at 298k? a. deltaH= 24.9 kj/mol
b. deltaH= 82.8 kj/mol
c. deltaH= 91.3 kj/mol
d. deltaH = 149.2 kj/mol
e. not enough information

Table
Species deltaH kj/mol S J/mol-k
O2(g) ? 205.2
NO(g). ? 210.8
NO2(g) 33.2 240.1

Which real-world scenarios below represent physical and chemical changes? -running a car -exploding fireworks -mixing water and powdered drink mix -combining oil and vinegar to make salad dressing -taking aspirin for a headache -diluting bleach with water-digesting dinner-spreading peanut butter on bread

Which of the following characteristics are true of enzymes? check all that apply. a.)the structure of an enzyme can change if conditions change. b.)a single enzyme can normally catalyze a wide variety of reactions under many conditions. c.)enzymes are found only in nonliving systems. d.)enzymes allow living things to regulate body conditions through feedback mechanisms. e.)enzymes bind to specific substrates in specific ways. f.)enzymes increase the rate of reaction. g.)when shown in energy-reaction diagrams, enzymes represent the higher activation energy.

Most points for whoever anwers i need your which is not an isotope of carbon? a. carbon-6 b. carbon-12 c. carbon-13 d. carbon-14