Which of the following are clues that a chemical reaction may have taken place?

A. Temperature remains constant

B. Release of heat

C. Formation of a solid

D. Mass increase

Which of these processes take place at the same temperature? freezing and condensation melting and sublimation condensation and vaporization sublimation and boiling

An object weighs 4732 N on Earth's surface. What is it's mass? 525 kg 469 kg 549 kg 483 kg

The word " waxing " can replace the first word of which phrase? a) cooling temperature b) dwindling salaries c) increasing support d) running out of time

Which of Newton's laws of accounts for the following statement? "Negative acceleration is proportional to applied braking force." A. First Law B. Second Law C. Third Law

What is the minimum energy required to lift an object weighing 200 newtons to a height of 20 meters

Which features involve compression? Select the three correct answers. A. Reverse faults B. Anticlines C. Folded mountains D. Normal faults E. Monoclines

You place a cup of 210 degrees F coffee on a table in a room that is 68 degrees F, and 10 minutes later, it is 200 degrees F. Approximately how long will it be before the coffee is 180 degrees F? Use Newton's law of cooling:

What change occurs to the mass of an object when an unbalanced force is applied to it? A. The mass increases. B. The mass decreases. C. The mass remains the same. D. The mass reduces to zero. E. The mass changes by an indeterminate amount.

The equilibrium price will rise, but equilibrium quantity may increase, decrease, or stay the same if a. demand increases and supply decreases. b. demand increases and supply increases. c. demand decreases and supply increases. d.

The nearest large galaxy to our own is about 2.5 million light-years away. how many meters is that