Chemistry, 30.11.2021 01:40 shouyuanroh3685
A student fills a tray with water and places the tray in the freezer. Three hours later, the student removes the tray from the freezer and makes observations. The student observed that the water is a solid, the water does not flow, the water keeps it shape in any container, and the color of the water changed to white. The student claims that changing the temperature of the water causes a physical change that turns water into ice. Which argument BEST supports the student’s claim?
Answers: 2
Chemistry, 22.06.2019 15:30
Which statement names the physical property of wood a. wood is softer than coal b. wood does not rust c. wood can rot d. wood can burn
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Chemistry, 22.06.2019 21:30
While in europe, if you drive 125 km per day, how much money would you spend on gas in one week if gas costs 1.10 euros per liter and your car’s gas mileage is 32.0 mi/gal? assume that 1 euro=1.26 dollars
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Chemistry, 23.06.2019 10:00
1.9 mol hcl and 3.9 mol naoh react according to the equation hcl + naoh −→ nacl + h2o . if the limiting reactant is hcl, calculate the amount of nacl formed.
Answers: 1
Chemistry, 23.06.2019 12:00
372 ml is the volume of aluminum, density is 2.70 g/ml what is the mass in grams
Answers: 1
A student fills a tray with water and places the tray in the freezer. Three hours later, the student...
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