Chemistry, 25.11.2019 21:31 westjayson69
Adenosine triphosphate (atp) is a molecule that is often used to transfer chemical energy within cells for metabolism. in addition, it is used for many other cellular processes, including biosynthetic reactions and cell division. atp is typically synthesized and destroyed locally, as metabolic processes that use atp as an energy source generally convert it back into its precursor molecules. because of this, atp is continuously recycled in organisms. for example, at any moment the human body contains approximately 250 grams of atp, but over the course of a day creates approximately its own weight in this molecule. during high-intensity exercise such as sprinting or lifting a very heavy weight, energy is provided to cells by the phosphagen system (or atp-pc system), which only works for a few seconds. if the diffusion constant of atp is 3 ×10−10 m2 s-1, how far could this molecule diffuse in 4.4 seconds
Answers: 3
Chemistry, 22.06.2019 10:00
The reactions shown here can be combined to make the overall reaction c(s) + h2o(g) ⇌ co(g) + h2(g) by reversing some and/or dividing all the coefficients by a number. a. c(s) + o2(g) → co2(g) k=1.363×10^69 b. 2 h2(g) + o2(g) → 2 h2o(g) k=1.389×10^80 c. 2co(g) + o2 (g) → 2 co2(g) k=1.477×10^90
Answers: 1
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
Chemistry, 23.06.2019 02:40
Calculate the standard enthalpy of formation of liquid methanol, ch3oh(l), using the following information: c(graphite) + o2 latex: \longrightarrow ⟶ co2(g) latex: \delta δ h° = –393.5 kj/mol h2(g) + o2 latex: \longrightarrow ⟶ h2o(l) latex: \delta δ h° = –285.8 kj/mol ch3oh(l) + o2(g) latex: \longrightarrow ⟶ co2(g) + 2h2o(l) latex: \delta δ h° = –726.4 kj/mol
Answers: 3
Chemistry, 23.06.2019 03:00
What do electromagnetic waves carry? how are they produced through which media can they move? where do they transfer energy? what do they not transfer? what do mechanical waves carry? how are they produced? through which media can they move? where do they transfer energy? what do they not transfer?
Answers: 1
Adenosine triphosphate (atp) is a molecule that is often used to transfer chemical energy within cel...
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