Answers by Lukeck
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Answers by Lukeck

Answers by Lukeck
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5. Calculate the difference between the heats of reaction (□H-□E) at constant pressure and constant volume for the reaction C6H6(l) + 15 0₂ (g) → 12 (0₂(g) + 6H₂0 (l) ​
answered Dec 31, 2024
4 votes
219k views
What is the meaning of the word 'animosity'? 1) Ill-will 2) Hostility 3) Friendliness 4) Congeniality
answered Aug 3, 2024
4 votes
175k views
Speed of the planets was uniform A. Pythagoras B. Eudoxus C. Erastothenes D. Copernicus
answered Jan 23, 2024
5 votes
229k views
What is the diameter of a 5.23 cubic yard ball
answered Nov 7, 2023
0 votes
5.3k views
Simplify the following expression.
answered Aug 21, 2023
4 votes
215k views
In democracy, powers are divided into 3 main branches, what are they and what are the functions of the main 3 branches?
answered Jul 16, 2023
8 votes
156k views
The radius of a circle is 3 inches long. what is the circumference?
answered May 11, 2023
4 votes
152k views
Resources management requires managing all of the following EXCEPT air pollution. how clean water is. forests and woodlands. people’s nutritional needs.
answered Nov 9, 2022
3 votes
126k views
Costa Rica demuestra su desarrollo tecnológico al a exportar su tecnología. b. tener a varios astronautas en el Salón de la Fama de la NASA. c. convertirse en el primer país sin ejército de Centroamérica,
answered Oct 20, 2022
2 votes
213k views
Identify the coordinates of the vertex of this parabola.
answered Jun 27, 2022
1 vote
172k views
An example of basic research is A) the development of new plastics that can be recycled. B) the study of the relationship between the amount of automobile emissions gases in the atmosphere and the decomposition
answered Jun 20, 2022
2 votes
224k views
AA'B'C' is a reflection of AABC. Which best describes the reflection?
answered Jun 15, 2022
4 votes
51.2k views
Chemical reaction NaCl (aq) + AgNO 3 (aq) → AgCl (s) + NaNO 3 (aq) is:
answered Jun 9, 2022
4 votes
80.0k views
1. The quotient of a number and 6 is 12.
answered Jun 1, 2022
4 votes
135k views
Please help: x+3y=4 x= -2
answered Feb 16, 2022
11 votes
157k views
The density of balsa wood is 0.170 g/cm3.  What is the mass if the volume is 12.0 mL?
answered Nov 22, 2021
4 votes
28.8k views
Liam is a tyre fitter. It takes him 56 minutes to fit 4 tyres into a van. How long would it take him to fit 12 tyres into 3 vans?
answered Nov 12, 2021
3 votes
40.5k views
Which net represents this solid figure?
answered Nov 7, 2021
0 votes
87.1k views
We observe a glowing cloud of gas in space with a spectroscope. We note that many of the familiar lines of hydrogen that we know on Earth seem to be in a different place. They are shifted toward the blue
answered Oct 26, 2021
4 votes
49.1k views
Find the area of the shaded region. Round the nearest hundredth if necessary. YZ=14.2m
answered Oct 23, 2021
3 votes
137k views
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