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As a substance changes phase from a gas to liquid to solid: A- The spacing between molecules increases. B- It's density generally increases. C- The spacing between molecules is not affected. D- It undergoes
answered
Apr 4, 2018
Chemistry
middle-school
4
votes
78.8k
views
Which of these experiments tests a chemical property of an object? a. heating the object to determine its melting point b. shining a bright light on the object and testing for decomposition c. placing
answered
Jan 20, 2018
Physics
high-school
1
vote
110k
views
Which of the following ratios are equivalent to 6:8? 36/40 9:12 12 to 16 15/20 24:36 16 to 24
answered
Jul 11, 2017
Mathematics
high-school
2
votes
102k
views
What does a company's customer service department do? A. Receive payments from customers and handle the company's money B. Promote the company to new groups of potential customers C. Interact with customers
answered
Feb 6, 2017
Business
high-school
6
votes
34.6k
views
What is the value of r in the equation r + 9.2 = 17.5? _______ l______l
answered
Jan 16, 2017
Mathematics
middle-school
5
votes
158k
views
What are the perfect square trinomials?
answered
May 7, 2015
Mathematics
high-school
5
votes
174k
views
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