Chemistry, 25.11.2019 19:31 khenalilovespandas
Astudent was given two clear liquids; a colorless liquid and a dark-blue liquid. the student was asked to combine the liquids in a beaker and record observations. which of the following results, if true, would provide the best evidence that a chemical change took place when the liquids were combined
1the resulting mixture was cloudy.
2the total volume of the mixture was equal to the sum of the initial volumes.
3the resulting liquid was light blue.
4the liquids formed two separate layers in the beaker.
Answers: 2
Chemistry, 21.06.2019 13:00
What is common about these molecules? a.their atoms are held together by covalent bonds. b.they are all made up of the same two atoms. c.their atoms are held together by ionic bonds. d.they are all made up of oxygen atoms only.
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Chemistry, 22.06.2019 02:10
Determine the percent sulfuric acid by mass of a 1.61 m aqueous solution of h2so4. %
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Chemistry, 22.06.2019 03:30
Asample of ammonia reacts with oxygen as shown. 4nh3(g) + 5o2(g) 4no(g) + 6h2o(g) what is the limiting reactant if 4.0 g of nh3 react with 8.0 g of oxygen? o2 because it produces only 0.20 mol of no. nh3 because it produces only 0.20 mol of no. o2 because it produces two times less no than nh3. nh3 because it produces three times more no than o2.
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Chemistry, 22.06.2019 14:20
Which statement explains why the bonds between non metals tend to be covalent? the bonds are found to be nondirectional they have large differences in electronegativity they have small differences in electronegativity they have ions that produce an electrostatic pull
Answers: 1
Astudent was given two clear liquids; a colorless liquid and a dark-blue liquid. the student was as...
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