Chemistry, 29.03.2021 17:30, Lcorbett7414
Given the following heats of formation. Calculate the heat of
combustion of each compound in kJ mole -1 . The product in each case
will be CO 2(g) and H 2 O (l) .
(a) ethane, C 2 H 6(g) , -107 kJ mole -1
(b) acetylene, C 2 H 2(g) , +227 kJ mole -1
(c) benzoic acid, C 7 H 6 O 2(s) , -390 kJ mole -1
Answers: 2
Chemistry, 21.06.2019 23:10, ChloeLiz7111
Nitrogen (n), phosphorus (p), and potassium (k) are the main nutrients in plant fertilizers. according to an industry convention, the numbers on the label refer to the mass percents of n, p2o5, and k2o, in that order. calculate the n: p: k ratio of a 30: 10: 10 fertilizer in terms of moles of each element, and express it as x: y: 1.0.
Answers: 1
Chemistry, 22.06.2019 02:30, milesjreece3939
Select each correct answer. more than one answer may be correct. which of the following is a characteristic of unicellular organisms? they can possess tissues and organs. all of their functions are performed by a single cell. they are usually microscopic. each of their cells is specialized to perform a specific function.
Answers: 1
Chemistry, 22.06.2019 14:00, cheyennemitchel238
Calculate the frequency of a wave in a spring toy. the wave has a speed of 1.1 meters per second and a wavelength of 0.1 meters. *
Answers: 2
Given the following heats of formation. Calculate the heat of
combustion of each compound in kJ mol...
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