A person's heartbeat is 66 beats per minute. If his/her heart beats 3.1e9 times in a lifetime, how long (in whole years) does the person live? Disregard leap years.

Which type of external force will most likely affect a global positioning system (GPS) unit?

How many times heavier than c - 12 is the average atom of this element?

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What is the most effective alkaline or acidic?

You place a balloon in a closed vacuum chamber at standard temperature and pressure (STP). You decrease the pressure in the chamber by half but keep the temperature constant. What happens to the volume of the balloon? a. It stays the same volume. b.

The heart is an example of which level of organization within an organism? O cell organ tissue organ system O O

NaOH+HCl--> NaCl+H2O what is the total number of grams of H2O produced when 116 grams of the product, NaCl, is formed?

Is a sample of liquid nitrogen more dense than a sample of nitrogen gas

You have a balloon containing 1 L of air at STP in a vacuum chamber. What will the volume of the balloon be when you reduce the pressure by half and increase the temperature to 373 K?

Which method will correctly determine whether the forces on an object are balanced or unbalanced? A. Multiply the forces in the horizontal direction by the forces in the vertical direction. B.