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Jakob Littel

Feb 20, 2025

A horizontal cylinder equipped with a frictionless piston contains 785 cm3 of steam at 420.0 K and 125 kPa. A total of 106.2 J of

A horizontal cylinder equipped with a frictionless piston contains 785 cm3 of steam at 420.0 K and 125 kPa. A total of 106.2 J of heat is transferred to the steam, causing the steam temperature to rise and the cylinder volume to increase. A constant restraining force is maintained on the piston throughout the expansion, so that the pressure exerted by the piston on the steam remains constant at 125 kPa. The specific enthalpy of steam at 125 kPa varies with temperature approximately as
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Hermina Ferry

Feb 20, 2025

plants need sunlight, water, and carbon dioxide to make food. plants use the raw materials of water, nutrients they absorb from soil, and carbon dioxide to make sugars the plant can use. energy from the sun and chlorophyll are also needed.... Show More
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Hermina Ferry

Feb 20, 2025

The reaction 2kalsi3o8 + 2(h+ + hco3-) + h2o  →  al2si2o5(oh)4 + 2k+ + 2hco3- + 4sio2 shows that feldspar kalsi3o8 is chemically altered by hydrolysis to form chalky-looking clay mineral kaolinite al2si2o5(oh)4. the chemical breakdown of potassium feldspar due to exposure to acidic water results to the mineral binding with the water molecule to become kaolinite with silica and potassium and bicarbonate ions in solution.... Show More
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