Question: The single proton that forms the nucleus of the hydrogen atom has a radius of approximately 1.0 x 10^-13 cm. The hydrogen atom itself has a radius of approximately 52.9 pm. What fraction of the space within the atom …
A backyard swimming pool holds 185 cubic yards (yd3) of water. What is the mass of the water in pounds. According to the google, a cubic yard of water weighs about 1684.8 pounds. So multiply 185 and 1684.8 and you …
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There are a few numbers listed and the goal is to figure out how many significant figures are in each number. I’ll discuss which of the significant figure rules I’m using, but otherwise they can be found on page 21. …
Gallium is a solid metal at room temperature, but it will melt to a liquid in your hand. The melting point of gallium is 85.6 °F. What is this temperature on (a) the Celsius scale and (b) the Kelvin scale? …
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On a new Jekyll temperature scale, water freezes at 17 degrees J and boils at 97 degrees J. On another new temperature scale, the Hyde scale, water freezes at 0 degrees H and boils at 120 degrees H. If methyl …
On a new Jekyll temperature scale, water freezes at 17 degrees J and boils Read more »
Backpackers often use canisters of white gas to fuel a cooking stove’s burner. If one canister contains 1.45 L of white gas, and the density of the gas is 0.710 g/cm^3, what is the mass of the fuel in kilograms? …
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The value of the euro was recently $1.38 U.S. and the price of 1 liter of gasoline in France is 1.35 euro. What is the price of 1 gallon of gasoline in U.S. dollars in France? This problem, we are …
The value of the euro was recently $1.38 U.S. and the price of 1 liter Read more »
Question: Liquid nitrogen has a density of 0.808 g/mL and boils at 77 K. Researchers often purchase liquid nitrogen in insulated 175-L tanks. The liquid vaporizes quickly to gaseous nitrogen (which has a density of 1.15 g/L at room temperature …
Liquid nitrogen has a density of 0.808 g/mL and boils at 77 K Read more »
Question: Gallium is a solid metal at room temperature, but it will melt into a liquid in your hand. The melting point of gallium is 85.6 °F. What is this temperature on (a) the celsius and (b) the Kelvin scale? With …
Suppose you have designed a new thermometer called the X thermometer. On the X scale the boiling point of water is 130 °X and the freezing point of water is 10 °X. At what temperature will the readings on the …
Suppose you have designed a new thermometer called the X thermometer Read more »