A hot water bottle made of rubber is filled with 0.65 kg of hot water. The temperature of the water is 90°C. Calculate the temperature of the hot water bottle after 163800J of energy is transferred during the night. Specific heat capacity of water is 4200J/kg°C

Which type of bond is found between the atoms of a molecule? a. metallic b. delocalized electron c. covalent d. ionic

Choose a synonym for the underlined homonym (a word with two or more meanings). i did not expect the boat to rock so much. a. boulder c. astound b. sway d. shock

The first-order reaction a→2b+c has rate constant 0.538 s−1. if the initial concentration of a is 0.867 mol l−1, what is the half-life of the reaction in seconds? remember to use correct significant figures in your answer (round your answer to the nearest hundredth). do not include units in your response.