A reaction conducted in a calorimeter consumed 0.036mol of an unknown substance. The temperature of the 182g of water was increased from 19.8 to 24.4. What is the enthalpy of this reaction in kJ/mol?

10. translate each of the following chemical equations into a sentence. a. 2 zns(s) + 3 o2(g) -> 2 zno(s) + 2 so2(g) b. cah2(s) + 2 h2o(l) -> ca(oh)2 (aq) + 2 h2(g)

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

0.2348 grams of pbcl2 used to form 44.0 ml of solution.