The density of water is 1.0 × 10 & sup3; kg / M & sup3;, and the density of mercury is 13.6 g / cm & sup3;, \("▔□▔)/

1 g / cm3
Physical meaning: the weight of mercury per cm3 is 13.6g

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1. The density of water is kg / m ^ 3, or g / cm ^ 3
2. The density of iron is () g / cm & # 179;, equivalent to () kg / M & # 179;, which means ()
3. The density of water is 1.0 × 10 ~ (- 179); kg / M ~ (- 179;), which is equal to 1.0 × 10 ~ (- 179); kg / M ~ (- 179;)______ G / cm & #, its physical meaning is________ .
4. Mercury density
5. Why is mercury so dense?
6. A square wood block with density of 0.6 times 10 cubic kilogram per cubic meter and side length of 10 cm, which is still on the water surface to calculate gravity and buoyancy
7. There is a cubic wood block with density of 0.6 times 10 cubic / m3 and side length of 10cm immersed in water. If the pull force on the wood block is 39.2n, there are three methods to calculate the buoyancy Ah ah ah ah ah ah ah ah ah ah ah ah ah ah ah ah ah ah ah ah ah ah ah ah ah ah ah ah ah ah ah ah ah ah ah ah ah ah ah ah ah ah ah
8. When a solid iron ball is put into water, the buoyancy is F1. When it is put into mercury, the buoyancy is F2. The known iron density is 7.8, and the mercury density is 13.6, then calculate F1: F2—— thirty-nine But I figured it out to be 1:13.6
9. An iron ball with a volume of 10cm * 3 is put into mercury. How buoyant is it at rest? Density: iron 7.9g/cm * 3, mercury 13.6g/cm * 3
10. When a metal ball is immersed in water, its buoyancy is 4N. When it is immersed in kerosene, its buoyancy is ()? 2. Hang an aluminum block under the spring dynamometer, and the indication of the dynamometer is 5N. Immerse half of the aluminum block in water, and the indication of the spring dynamometer is 4N. When the aluminum block is immersed in water, the indication of the spring dynamometer is (), and the buoyancy of the aluminum block is ()?
11. The density of mercury is 13.6 * 10 ^ 3kg / m ^ 3, the volume is 200cm ^ 3, what is the mass of mercury?
12. The laboratory bought back 8kg of mercury with a density of 13.6 * 10 ^ 3kg / m ^ 3 If 0.2 decimeter ^ 3 bottles are used, how many bottles are needed at least?
13. How many grams of water can a 800 gram alcohol bottle hold? (alcohol density is 0.8 × 01 cubic kg / m3) There is a copper ball with a mass of 800 grams and a volume of 10 cubic centimeters. Can you tell if this copper ball is pure copper? (copper density is 8.9 × 10 cubic kg / m3)
14. A glass bottle that can hold up to 1.6kg of alcohol (the density is 0.8 * 10 cubic kg / m3). If it is used to hold water, how much water can it hold at most
15. What is the buoyancy of a 100 cubic centimeter iron block immersed in alcohol? (P alcohol = 0.8g / L)
16. The buoyancy of a 0.05 cubic meter iron immersed in water is, and the buoyancy of the iron immersed in alcohol is
17. 1 DM3 of alcohol, alcohol density is 0.8 times the third power of 10, then how much is the mass of alcohol kg
18. For the alcohol produced by the factory (the density is 0.8 × 10 to the third power of kg / M), the water content is required not to exceed 10%, so what is the range of alcohol density
19. What is the volume of a cubic alcohol with a mass of 100g and a density of 0.8x10? 2. The mass of a metal material is 675g, and the volume is 250cm. Calculate the density of the material? If the metal is used to process a water mass of 810g
20. How to measure 500g alcohol with measuring cylinder? (alcohol density = 0.8 × 10 cubic kg / m3) Tips: calculation questions