What is the purpose of the catalyst? A. to start the chemical reaction B. to stop the chemical reaction C. to speed up the chemical reaction D. to make the chemical reaction safe to observe

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The purpose of catalyst is to speed up the chemical reaction.

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Asked 6/18/2012 9:23:07 AM

Updated 12/11/2016 11:39:09 PM

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Edited by yumdrea [12/11/2016 11:39:06 PM]

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Kentink

The purpose of catalyst is to speed up the chemical reaction.

Added 12/11/2016 10:59:55 PM

This answer has been confirmed as correct and helpful.

Confirmed by yumdrea [12/11/2016 11:39:07 PM]

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yumdrea

Please don't forget to flag incorrect answers. Thanks.

Added 12/11/2016 11:39:09 PM

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What is released when the nuclei of two smaller atoms fuse to form a larger atom? A. energy B. compound C. mass D. matter

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

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alfred123

ARSENIC is a metalloid.

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What is a prediction? A. a conclusion B. another hypothesis C. observed data that does not support the hypothesis D. another proposed data point on the trend line but not observed data

Weegy: B. another hypothesis (More)

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Updated 6/2/2016 1:38:58 AM

1 Answer/Comment

emdjay23

A prediction is another proposed data point on the trend line but not observed data.

Added 6/2/2016 1:29:01 AM

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What is the purpose of the written conclusion in an experiment? A. It speculates on future experiments. B. It gives credit to the people involved in the experiment. C. It answers the original question that led to the hypothesis. D. It discusses lessons learned from running the procedures

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Updated 12/27/2016 4:19:08 PM

1 Answer/Comment

emdjay23

The purpose of the written conclusion in an experiment is it answers the original question that led to the hypothesis.

Added 12/27/2016 4:19:08 PM

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Confirmed by Andrew. [12/28/2016 7:42:41 AM]

According to the periodic table, which element has an atomic number of 54?

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Updated 10/20/2015 5:16:49 PM

1 Answer/Comment

emdjay23

According to the periodic table, Xenon (Xe) has an atomic number of 54.

Added 10/20/2015 5:16:49 PM

This answer has been confirmed as correct and helpful.

Confirmed by jeifunk [10/21/2015 3:54:48 AM]

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