Substance/specific heat capacity
silver/0.235
copper/0.385
iron/0.449
alumin...
Chemistry, 27.12.2019 22:31 woodfordmaliky
Substance/specific heat capacity
silver/0.235
copper/0.385
iron/0.449
aluminum/0.903
ethanol/2.42
water/4.184
an unknown substance has a mass of 10.5g. when the substance absorbs 9.450×10^1 j of heat, the temperature of the substance is raised from 25.0 c to 45.0c. what is the most likely identity of the substance?
Answers: 3
Chemistry, 21.06.2019 17:10
For which one of the following reactions is the value of δh° rxn equal to δh° f for the product? a. 2 h2 (g) + o2 (g) → 2 h2o (l) b. n2 (g) + o2 (g) → 2 no (g) c. 2 h2 (g) + o2 (g) → 2 h2o (g) d. h2o (l) + 1/2 o2 (g) → h2o2 (l) e. none of the above
Answers: 1
Chemistry, 21.06.2019 17:30
You are performing an experiment in a lab to attempt a new method of producing pure elements from compounds. the only problem is that you do not know what element will form. by your previous calculations you know that you will have 6.3 moles of product. when it is complete, you weigh it and determine you have 604.4 grams. what element have you produced?
Answers: 1
Chemistry, 21.06.2019 21:30
Put these processes of the water cycle in the correct order, starting at the point where the water is in the lake: 1. water evaporates into the atmosphere 2. rain, snow, or other precipitation falls 3. water collects into larger bodies of water 4. water vapor condenses into liquid water
Answers: 1
Chemistry, 21.06.2019 23:00
Which statement describes covalent bases? they have hydroxide ions. they produce hydrogen ions. they are often amines. they are named the same as ionic compounds.
Answers: 3
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