Chapter 1, Problem 1.109E

How much energy is in 1500 micrograms of gold? A. 1.35 × 10⁸ J B. 1.35 × 10²³ J C. 1.35 × 10¹¹ J D. 450 J

Convert each temperature to the requested temperature scale. a. 20. °C to TF b. 150. °F to TC c. 298 K to TF d. 75 °C to TK

6.) The American Heart Association recommends that for every 1000 dietary calories consumed, the sodium intake should be 1000 mg or less and should not exceed a daily limit of 3300 mg for an adult.  What is the yearly limit on sodium intake in pounds?   a. 7.3 x 10−3 lb b. 2.7 lb c. 730 lb    d. 1.2 x 103 lb e. 1.2 x 106 lb

B. 1.8 m/s C. 3.6 m/s D. 7.2 m/s 3. What is the momentum of a 45.0-kg dog running south at 9 meters per second? A. 5.00 kg • m/s south B. 45.0 kg • m/s south C. 405 kg • m/s south D. 3650 kg • m/s south A Newton's cradle will continue moving for a time but it eventuallu stons Use what.

A piece of aluminum foil has a known surface density of 15 g/cm2. If a 100-gram hollow cube were constructed using this foil, determine the approximate side length of this cube.a. 1.05 cmb. 1.10 cmc. 2.6 cmd. 6.67 cme. 15 cm

On which temperature scale (°F, °C, or K) does 1 degree represent the smallest change in temperature? Convert the following temperatures to kelvins. a. 155 °C d. 101 °F b. 200 °C e. 52 °F c. 52 °C f. 196 °F Convert the following Kelvin temperatures to Celsius degrees. a. 275 K d. 77 K b. 445 K e. 10,000. K c. O K f. 2K

Precipitation Transpiration Evaporation Bedrock Intiltration Run-Off Groundwater Lake What type of energy drives this cycle on Earth? O A. Chemical energy O B. Mechanical energy O C. Electromagnetic energy from the Sun O D. Gravitational potential energy F2 F3 F4 F5 F7

1. When steam condenses, A. A physical change occurs. B. A chemical change occurs. C. Both physical and chemical changes occur. D. H20 molecules increase in number. E. H20 molecules decrease in number.

7. What is a pure substance that is only made of type of atom? A. Element C. Compound D. Elixir B. Suspension What is a molecule that is made of atoms of two or more elements chemically 8. bonded together? A. Heterogeneous B. Heteronuclear C. Homogeneous D. Homonuclear 9. Which best describes heterogeneous mixtures? A. They must always be made of liquid components. No gas or solid components. B. The components must always be mixed or dispersed uniformly within the same physical state. C. The components are always visible and distinguishable from the other components. D. All of the options are correct. 10 Which best describes a homogenous mixture? A. They must always be made of liquid components. No gas or solid components. B. The components must always be mixed or dispersed uniformly within the same physical state. C. The components are always visible and distinguishable from the other components. D. All of the options are correct. 11 Which method would be the most effect to separate…