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6. How many gold atoms are in a 1 kg gold bar? The chemical
6. How many gold atoms are in a 1 kg gold bar? The chemical symbol of gold is Au. Consult The Periodic Table in Figure 11.9 on p. 216 in the textbook. Hint: Remember 1u=1.66x10-27kg. 1 mole= 6.022x102… read more
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6. How many gold atoms are in a 1 kg gold bar? The chemical
6. How many gold atoms are in a 1 kg gold bar? The chemical symbol of gold is Au. Consult The Periodic Table in Figure 11.9 on p. 216 in the textbook. Hint: Remember 1u=1.66x10-27kg. 1 mole= 6.022x102… read more
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1. Consider two stable isotopes, helium-3 and helium-4. How
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When the barge is empty, the edge of the barge is 13 cm
When the barge is empty, the edge of the barge is 13 cm above the surface of the water. (In other words, the barge can drop down 13 cm before water overflows into the barge and sinks it.) What is the … read more
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Question: a lake poisend with mercury is in a cyclander shape
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A Solid Cylinder (radius=0.150m, height=0.120m) Has A Mass Of 6.5 kg.
A solid cylinder (radius = 0.150 m, height = 0.120 m) has a mass of 6.50 kg. This cylinder is floating in water. Then oil (density = 725 kg/m3) is poured on top of the water until the situation shown … read more
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A raft is made of 8 logs lashed together. Each is 36 cm in
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1. THE ELASTIC LIMIT OF AN OBJECT IS REACHED WHEN THE
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1. ISOTOPES ARE ATOMS THAT HAVE THE SAME NUMBER OF NEUTRONS
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A cylindrical jar of radius 6cm. contains oil.Iron spheres
A cylindrical jar of radius 6cm. contains oil.Iron spheres each of radius 1.5c.m. are immersed in the oil.How many spheres are necessary to raise the level of the oil by two centimeters?… read more
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The shot put is a popular track and field event. If a mans
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A piece of wood that floats on water has a mass of 0.0175 ...
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An irregularly shaped chunk of concrete has a hollow ...
An irregularly shaped chunk of concrete has a hollow spherical cavity inside. The mass of the chunk is 24 kg, and the volume enclosed by the outside surface of the chunk is 0.020 m3. What is the radiu… read more
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The mass of the planet is about 0.6 times the mass of...
The mass of the planet is about 0.6 times the mass of Jupiter. Calculate the average density of the planet (density = mass/volume, the volume of a sphere is 4/3 × r3). Convert this to g/cm3 and deter… read more
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Calculate the mass(M)of the Earth. Use the average ...
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1) An open-top box is to be constructed from a 4 foot by 6 ...
1) An open-top box is to be constructed from a 4 foot by 6 foot rectangular cardboard by cutting out equal squares at each corner and folding up the flaps. Let x denote the length of each side of the … read more
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what is general method that could be used to determine ...
what is general method that could be used to determine the density of a solid and a liquid?… read more
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