Chapter 1, Problem 1.26E

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

Use unit analysis to show how to calculate the volume occupied by 18.1 grams of gold. See the table below for the density of gold. Densities of Some Common Substances Substance Density (g/mL) Water 1.00 Aluminum 2.72 Chromium 7.25 Nickel 8.91 Copper 8.94 Silver 10.50 Lead 11.34 Mercury 13.60 Gold 19.28 Tungsten 19.38 Platinum 21.46     fill in the blank 2     (number) (unit)     fill in the blank 5 (number) (unit) Submit Answer

An infant ibuprofen suspension contains 100 mg per 5.0 mL suspension.  The recommended dose is 10 mg of ibuprofen per kg body weight.  If, your child weight 46.31 lbs, how many teaspoons (tsp) should you give your child?  Note that 1 lb = 453.59 g and 5 mL = 1 tsp.

An electric current of 21.50 A flows for 21.0 minutes. Calculate the amount of electric charge transported.. Be sure your answer has the correct unit symbol and 3 significant digits. 7 x10 •O U 89 S

Write the following metals using Roman numeral notation. Then, explain why the Roman numeral differs for these metals. . . Co²+ Fe₂O3 Answer in complete sentences. H Normal Enter your answer here √x C 2 Ix BIUS X 300 wor

Which of the following statements concerning the SI system is/are correct? 1. Prefixes are used to indicate a power of ten multiplier for a given SI base unit of measurement. 2. Degrees Celsius (°C) is the SI base unit for temperature. 3. The kilogram (kg) is the SI base unit for mass. 1 only 2 only O3 only O1 and 3 1, 2, and 3

1.13 Physical properties may change because of a chemical change. For example, the color of an egg white changes from clear to white because of a chemical change when it is cooked. What is another common situation in which a chemical change also leads to a physical change?

How does the International System (SI) obtain units of different size from a given unit? How does the International System obtain units for all possible physical quantities from only seven base units?