Chapter 1, Problem 1.26E

part 1 Which of the following is a best practice in weighing solid samples?   Use weighing paper, a watch glass, a beaker, or some other container to measure mass of your solid samples.   Do not return the mass settings to zero mark; let the next user tare it for you.   Place chemicals directly on the balance pan.   For different trials of an experiment, use multiple balances for your measurements

A student needs to determine the density of an irregularly shaped object. This student prepares a solution mixture where the object is suspended. The collected data is shown in the table below. Liquid Continue Density g mL g mL 1.2600 0.799 Glycerol Isopropanol Determine the density of the object. Be sure your answer has the correct number of significant digits. POL Volume (mL) 80 F3 6.67 5.28 F4 X Ś F5 MacBook Air F6 F7 © 2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center DII F8 F9 Submit Ass F10

Determine whether the following items pertain to physical or chemical properties Let Us Apply of matter. Write P for physical property and C for chemical property. 1. the sourness of lemon 2. 1.5 L of Cola 3. weakened lungs caused by mercury inhalation 4. mixing coffee in hot water 5. aerosol cans exposed to fire 6. sodium (Na) producing an orange glow after exposure to oxygen 7. silver melting into a hot liquid 8. a thin piece of candy breaking into smaller fragments 9. 2 kg of rice 10. a rotting banana 11. lighting fireworks 12. a dent on the side of a car 13. rust on steel gates 14. grinding food in a blender 15. after being rubbed, a balloon sticking to the wall