What is the density of ice? What is the mass and volume of 1 cubic meter of ice after melting into water?

The density of ice is about 90% of that of pure water. When one cubic centimeter of ice melts, it is about 0.9 cubic centimeter and its mass is 0.9 gram

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1. 0.9kg ice melts into water, and the volume is reduced by 0.1m3 0.9kg ice melts into water, which reduces the volume by 0.1m3 ...
2. The density of ice is 0.9 × 103kg / m3. When a piece of ice with a volume of 100 & nbsp; cm3 melts into water, the mass of ice is 0.9 × 103kg / m3______ g. The volume is______ When cm3.135 & nbsp; g water forms ice, its mass is______ Kg, the volume is______ cm3．
3. A wood block with density of 600kg / m3, volume of 2 cubic decimeters, floating on the water surface, G to 10N / kg, how much is the volume of water discharged by the wood block?
4. Cement dosage: 5%, maximum dry density: 2.3g/cm3, optimum water content: 6%, try to calculate the mass mix proportion?
5. For the process, ordinary portland cement with density of 3.1 g / cm3, crushed stone with apparent density of 2.68 g / cm3 and medium sand with apparent density of 2.70 g / cm3 are used The concrete prepared in the laboratory is ordinary portland cement with density of 3.1 g / cm3, crushed stone with apparent density of 2.68 g / cm3 and medium sand with apparent density of 2.70 g / cm3. It is known that the water consumption of one cubic meter of concrete is 190 kg, the water cement ratio is 0.50, and the sand ratio is 33%?
6. The average density of alcohol with 20% water content is? (alcohol density: 0.8g / cm3)
7. Cement stabilized macadam base layer, cement dosage is 3.5%, that is, cement ratio is 3.5:100, the best water content is 5.5%, the maximum dry density is 2.35g/cm3
8. Relationship among cement density, water density and sand density
9. Find the density of sand When one bottle is filled with water, the total mass is 88g. When another bottle with the same mass is filled with 10g sand and water, the total mass is 94g. What is the density of sand?
10. What is the density of the sand
11. When water becomes ice, its volume increases by 10%?
12. How many kilogram is a piece of ice with a volume of 5 cubic meters turned into water? How many cubic meters is the volume of water?
13. What is the mass of 1 cm3 ice after melting into water? What is the volume of cm3? (ρ water = 1g / cm3, ρ ice = 0.9g/cm3)
14. A hot-air balloon with a mass of 0.3 tons rises at a constant speed in the air. The resistance level is 1 / 10 of the weight of the balloon. What is the buoyancy of the balloon?
15. A hot-air balloon is still in the air. It is known that the total mass of the balloon and the object is 100 kg. What is the buoyancy at this time______ Cattle
16. At present, a 100 cubic meter hot air balloon is still in the air. If the known air density is 1.29 kg / cubic meter, then the hot air balloon is still in the air
17. At present, a hot air balloon has a volume of 120m3. If the known air density is 1.29kg/m3, what is the buoyancy when it is still in the air A solid object with a volume of 10 negative quartic M & # 179; weighs 2.8n. If the object is completely immersed in a certain liquid, the apparent number of the spring dynamometer is 1.8n, then what is the density of the liquid?
18. There is a 100 square meter hot air balloon, still in the air, with air density of 1.29 kg / m3 and buoyancy of a.12
19. If the density of sea water is 1.1 × 103kg / m3 and the density of ice is 0.9 × 103kg / m3, what is the volume of the iceberg exposed to the sea?
20. The volume of the upper and lower parts of the iceberg is V1 and V2 respectively. The known density of sea water is 1.03 × 10 cubic kilogram per cubic meter, and the density of water is 0.9 × 10 cubic kilogram per cubic meter. Try to calculate the percentage of the volume of the iceberg below the water surface in the total volume