A. products to reactants. B. reactants to products. C. catalysts to reactants. D. products to catalysts. 相关知识点: 试题来源: 解析 B。解析:在化学反应方程式中,箭头是从反应物指向产物。选项 A 方向错误。选项 C 和 D 催化剂不是反应的主要物质,箭头不指向它们。反馈...
The chemical equation represents a redox reaction. The oxidation state of the N atom in nitrogen dioxide goes from +4 to +2 as it is converted into...Become a member and unlock all Study Answers Start today. Try it now Create an account A...
Countries such as China are facing a bottleneck in their paths to carbon neutrality: abating emissions in heavy industries and heavy-duty transport. There are few in-depth studies of the prospective role for clean hydrogen in these ‘hard-to-abate’ (HTA) sectors. Here we carry out an integ...
Blue circles represents the three constructs (sustainability attitude, sustainability knowledge and sustainability behaviour) and locus of control in the study. Arrows shows the relationships between the constructs. The values in the circle represents R2. The black values on the arrow indicate the ...
and healthy tissue. The convection-diffusion-reaction equation represents the transport of drug, while drug binding, both specific and non-specific, can be modelled as a reaction process. The Brinkman equations describe the interstitial flow in porous tissue. An image processing technique is leveraged...
The black arrow represents near-isothermal decompressional exhumation path ranging from the peak metamorphic conditions of the rocks, through entrapment of the carbonate–silicate melts, to the melt crystallisation and (re)-equilibration of the MSI assemblages. The stability field of the modelled ...
Nanoparticles (NPs) show promising applications in biomedicine, catalysis, and energy harvesting. This applicability relies on controlling the material’s features at the nanometer scale. Surfactants, a unique class of surface-active molecules, have a re
In these equations, UOCV represents the open-circuit voltage of the battery, V; R0 is the battery’s internal resistance, Ω; R1 and R2 denote the resistance related to concentration and electrochemical polarization, Ω; C1 and C2 are the capacitance associated with concentration and electrochemica...
Answer to: Identify the type of reaction shown in the following chemical equation. Ca(s) + Cl2(g) arrow CaCl2(s) By signing up, you'll get...
The kinetics of equilibrium Ising systems are indistinguishable when observed in a forward or backward direction in time, i.e., they are invariant under the reversal of the arrow of time. This time-symmetry breaks down under time-varying external fields or asymmetric couplings comprising history-de...