(07.02 MC) Jane performed the following trials in an experiment.Trial 1: Heat 80.0 grams of water at 15.0 °C to a final temperature of 65.0 °C.Trial 2: Heat 80.0 grams of water at 10.0 °C to a final temperature of 65.0 °C.Which statement is true about the experiments?
(07.05 LC) Which statement is correct about the rate of chem…
(07.05 LC) Which statement is correct about the rate of chemical reactions?
(07.06 MC) During an experiment, ice and water were placed i…
(07.06 MC) During an experiment, ice and water were placed in a perfectly insulated thermos flask at 0 °C. Describe this system when it phase reaches equilibrium.
(07.07 MC) A certain reaction is endothermic in the forward…
(07.07 MC) A certain reaction is endothermic in the forward direction. The reaction has less moles of gas on the product side. Which of the following stresses would increase the yield of the products (shift right)?
(06.03 MC) A hot air balloon has an air vent that keeps the…
(06.03 MC) A hot air balloon has an air vent that keeps the air pressure inside and outside the same. Allen observes that a hot air balloon rises up when the gas molecules inside it are heated. Which of the following laws is used to understand the behavior of the gas and why?
(07.06 LC) Which of the following happens when a reaction re…
(07.06 LC) Which of the following happens when a reaction reaches dynamic equilibrium in a closed system?
(06.01 MC) A substance in a specific state of matter with vo…
(06.01 MC) A substance in a specific state of matter with volume of 6 liters was transferred to a 12 liter container. The substance took up the entire space available in the container. Which of following could be another characteristic of the substance?
(06.03 LC) Based on Charles’s law, which of the following st…
(06.03 LC) Based on Charles’s law, which of the following statements is true for an ideal gas at a constant pressure and mole amount?
(08.05 LC) Which statement is true about an acidic solution?
(08.05 LC) Which statement is true about an acidic solution?
(08.02 MC) A 10 M concentrated stock solution of NaCl was us…
(08.02 MC) A 10 M concentrated stock solution of NaCl was used to prepare 5 liters of diluted 1 M solution. Which of the following statements is true about the process used to achieve this required dilution?