A sample of 5 g of chemical A is combined in a chemical reaction with 12 g of chemical B. The mass of their products is 17 g. Which law of nature best supports this statement?
law of conservation of energy
law of conservation of energy
law of conservation of mass
law of conservation of mass
law of averages
law of averages
law of regularity
law of regularity
Answers: 1
Chemistry, 22.06.2019 05:00
Frictional forces acting on an object are often converted into energy, which causes the temperature of the object to rise slightly.
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Select the correct text in the passage. which sentences describe examples of sustainable living? i live in an old apartment building downtown, but my company is based in an office park on the outskirts of the city. i drive an old car that needs to be replaced. i plan to buy a hybrid for better gas mileage, but for now i am able to carpool with a couple of friends from work. the drive to the office park is about 45 minutes each way, but we do get to work in a modern building. the architects just received a leed certification for the design.
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Chemistry, 22.06.2019 08:00
Why is the bond angle in a water molecule less than the bond angle of methane? a. the central oxygen atom in water has two lone pairs of electrons, whereas the central carbon atom in methane has no lone pairs. b. the central hydrogen atom in water has one lone pair of electrons, whereas the central carbon atom in methane has two lone pairs. c. the central oxygen atom in water has four lone pairs of electrons, whereas the central carbon atom in methane has only one lone pair. d. the central oxygen atom exerts more repulsive force on surrounding atoms than the central carbon atom in methane does. reset next
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A sample of 5 g of chemical A is combined in a chemical reaction with 12 g of chemical B. The mass o...
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