Question and answer
Chris bought a used car that was modified to burn ethanol instead of gasoline. Which type of reaction takes place when ethanol is burned? A. a strong nuclear reaction B. a weak nuclear
reaction C. an exothermic reaction D. an endothermic reaction
C. an exothermic reaction takes place when ethanol is burned
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Original conversation
User: Chris bought a used car that was modified to burn ethanol instead of gasoline. Which type of reaction takes place when ethanol is burned? A. a strong nuclear reaction B. a weak nuclear reaction C. an exothermic reaction D. an endothermic reaction

Weegy: C. an exothermic reaction takes place when ethanol is burned
selymi|Points 10837|

User: Which of the following is an element? A. sugar B. water C. chlorine D. ammonia

Weegy: The answer is C. chlorine is an element.
PhotoBobby|Points 70|

User: Which of the following elements is a metalloid? A. carbon B. aluminum C. bismuth D. arsenic

Weegy: D. arsenic Elements that are classed as metalloids are Boron (B), Silicon (Si), Germanium (Ge), Arsenic (As), Antimony (Sb), Tellurium (Te), [ and Polonium (Po). The six elements commonly recognised as metalloids are boron, silicon, germanium, arsenic, antimony and tellurium. Other elements less commonly recognised as metalloids include carbon, aluminium, selenium, polonium and astatine. On a standard periodic table all of these elements can be found in or near a diagonal region of the p-block, having its main axis anchored by boron at one end and astatine at the other. Some periodic tables include a dividing line between metals and nonmetals and it is generally the elements adjacent to this line or, less frequently, one or more of the elements adjacent to those elements, which are identified as metalloids. ]
cecillereign|Points 179|

User: What is one product of an acid-base reaction? A. salt B. gas C. acid D. base

Weegy: When an acid and a base are placed together, they react to neutralize the acid and base properties, producing a salt. Answer: A. salt
Expert answered|cutyglyde|Points 165|



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Asked 7/14/2013 11:57:21 AM
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Sodium and potassium are soft, silvery metals. They are both solids at room temperature and react strongly when combined with water. Which statement about sodium and potassium is probably true? A. Sodium and potassium are different isotopes of the same element. B. Sodium and potassium have the same number of electrons. C. Sodium and potassium are in the same chemical family. D. Sodium and potassium have similar atomic masses.
Weegy: Sodium and potassium are in the same chemical family. User: Which statement about the neutrons that make up an element is true? A. They have no mass. B. They orbit the nucleus. C. They have no electrical charge. D. They determine what the element is. Weegy: C. They have no electrical charge User: Which statement about the properties of matter is true? A. It is possible for matter to have different physical properties but ... (More)
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Expert Answered
Asked 7/14/2013 10:30:06 AM
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