Mass - math word problems - page 10 of 77
Number of problems found: 1534
- A quarter of a gram
How much is three-quarters of 200 grams? - Necessary paint
3 kg of paint is enough for 18 m² of area. How much paint is needed to paint the walls and bottom of a swimming pool with dimensions of 25 m, 15 m, and a depth of 1.5 meters? Thank you - Condensation
How many liters of water must be evaporated from 400kg of a 10% soda solution to get a 16% solution? - Preparing the mixture
The seller prepared 25 kg of the mixture for 264 CZK per 1 kg. The first type was 180 CZK per 1 kg and the second was 390 CZK per kg. How much of each did he need? - Heating water
5 kg of water warmed up by 10°C. How much heat did the water absorb? (Remember that 1kg of water needs 4,200J of heat to raise its temperature by 1°C.) - Kilograms 84201
60 kg of fruit were divided into the KOP store and the FRESH store in a ratio of 2:3. How many kilograms did the FRESH store receive? - Quarter 84177
We used one-quarter of the coal we bought, leaving us with 12 q. How much coal did we buy? - Shear friction
How much force must we apply to a box weighing 300 kg to move it uniformly along a horizontal floor if the coefficient of shear friction between the box's edge and the floor is 0.5? - Six horses
How many bags of feed are needed for 6 days for six horses, if 21 bags of feed are needed for 3 days for seven horses? - Brick 5
A brick weighs 7/2 kg, a tile 11/8 kg. The first truck was carrying 900 bricks, the second truck was carrying 2000 tiles. Which car was carrying a heavier load and by how many kg. - Grass seed
How many kilograms of grass seed are needed to establish a lawn on a rhombus-shaped plot of land with sides 55m and 40m, if the height of the shorter side is 22m and 1kg of seed is enough for 40m square? - Figurines 84041
How many figurines will a potter make from 14 1/6 kg of clay if he needs 1 5/12 kilograms of clay for one figurine? - To a wholesaler
A farmer sold 10% of last year's corn crop to a wholesaler and a third of the rest to small buyers. He stored the remaining 270 tons of corn. How many tons of last year's corn crop did he sell? - Aluminum - density
The density of aluminum is 2,700 kg/m³. Calculate the mass of an aluminum cube with a volume of 80 cm3! - Sifted sand
At a construction site, the sand used in mortar is sifted through a sieve. In the process, 1/6 of the coarse sand falls through. Determine how many cubic meters must be brought in to obtain two cubic meters of sifted sand. - Aluminum ignote At what temperature did the temperature stabilize if an aluminum ignote weighing 45 kg and at a temperature of 15°C received 4.8 MJ of heat? The specific heat capacity of aluminum is 896 J/kg°C.
- Capacity of iron
What was the initial temperature of an iron object weighing 30 kg that, when heated to 39 degrees Celsius, absorbed 3.5 kJ of heat? The specific heat capacity of iron is 450 J/kg/°C. - Calorimetric equation
A 200g aluminum cylinder at 180°C was dropped into 3kg water at 25°C. At what temperature did the resulting temperature stabilize? The specific capacity of water is 4200 J/kg °C, aluminum 896 J/kg °C, - Specific heat
How much heat must we add to turn 25 kg of ice at a temperature of -15 degrees Celsius into water with a temperature of 23 degrees? Specific heat of fusion 333 kJ/kg. - By mass
How much heat must we supply to completely convert potassium weighing 45 kg at a temperature of 22.4 °C into potassium at a temperature of 98 °C? The specific heat of fusion is 25.5 kJ/kg, the melting point is 63.32 °C. The specific heat capacity of potas
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