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Answers by Fatumata

Answers by Fatumata
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Constant-volume calorimeters are sometimes calibrated by running a combustion reaction of known ΔE and measuring the change in temperature. For example, the combustion energy of glucose is 15.57 kJ/g.
answered Feb 6, 2020
5 votes
124k views
Contrast molecules, compounds and ions
answered Oct 5, 2019
5 votes
198k views
Four identical zinc plates are placed in four different solutions of sulfuric acid (H2SO4). The following reaction occurs: Zn + H2SO4 ZnSO4 + H2 In which concentration of sulfuric acid solution would the
answered Sep 13, 2019
3 votes
136k views
What periodic pattern are noticed for the charges on the ions
answered Aug 13, 2019
5 votes
47.2k views
Coach kelly brought 32 L of the water to the football game, and she divided the water equally between 8 coolers. how many milliliters of water did coach Kelly put in each cooler?
answered Mar 5, 2019
1 vote
65.3k views
With adequate security controls and defenses, an organization can oftenreduce its risk to zero. a. True b. False
answered Nov 11, 2018
4 votes
49.8k views
Calculate the quotient and remainder of –1 divided by 3.
answered Nov 7, 2018
6 votes
188k views
The different degrees of sleep and wakefulness through which newborns cycle, ranging from deep sleep to great agitation, are called __________.
answered Nov 2, 2018
6 votes
115k views
people's automatic, unconscious associations with a political position can predict their future decisions before they consciously make up their minds. this best illustrates the power of
answered Aug 14, 2018
1 vote
118k views
A light ray that enters a substance with a higher index of refraction than that of the substance where it originated will _________ the substance with the higher index of refraction. A. move more slowly
answered Jun 10, 2018
7 votes
64.6k views
Prompt Rubric | Checklist The Best Villain Many stories feature a hero who behaves honorably and fights for good. These same stories often include a villain who behaves selfishly and stands at odds with
answered May 4, 2018
2 votes
177k views
_____ energy is energy available to do work. A. Activated complex B. Catalyst C. Free D. Activation
answered Jun 9, 2017
3 votes
77.2k views
Find m∠BAC and m∠DAB in the figure shown below.
answered Dec 21, 2016
4 votes
201k views
which of these happened when the united states dropped the first atomic bomb ?A. the formation of the iron curtain was announcedB. soviets promised to declare war on japanC. united states established a
answered May 6, 2015
3 votes
84.1k views
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