if a proton has a relative mass of 1 unit and a relative charge of +1 unit .what is the接上relative mass and charge of :1.a neutron2.an electron? 答案 质子,中子,电子...有什么关系?化学知识忘没了.搞清它们关系了应该就能选出来了.相关推荐 1if a proton has a relative mass of 1 unit...
THEORETICAL considerations suggest that the square root of mass may be more interesting and important than mass itself in the case of the ultimate particles of matter. For in the modern theory of matter, electric charge is more fundamental than mass, and the dimensional formula for electric ...
Find the relative mass of the blocks (thermochemistry) Homework Statement A block of copper at 100.0° C comes into contact with a block of aluminum at 20.0°C. The final temperature of the blocks is 60.0°C. What are the relative masses of the blocks? Homework Equations mcΔT copper spec...
The decay rates for $B^0 \\to K^+ \\pi^-$, $B^+ \\to K^0 \\pi^+$, and the charge-conjugate processes were found to provide information on the weak phase $\... M Gronau,JL Rosner - 《Phys.lett.b》 被引量: 46发表: 2000年 The X(2175) as a resonant state of the $\...
Hi guys, I consider the qm-derivation of the electronic states of hydrogen. There are two different derivations (I consider only the coulomb-force): 1) the proton is very heavy, so one can neglect the movement 2) the proton moves a little bit, so one uses the relative mass ##\mu##...
whereRis the gas constant;Mis the molar mass of NO2; H represents the layer height and 1/H is used to characterize the surface area-to-volume ratio of the ground. It is worth noting that the ground surface here encompasses various surfaces such as those of buildings, vegetation and more....
The χc0 has too small a branch- ing fraction into this final state to perform a useful measure- ment, but we consider it in the modeling of the signal line- shape. Given the small difference between the J/ψ mass, 3096.916 ± 0.011 MeV/c2, and the χc1 and χc2 masses, 3510.66 ...
The PTR-TOF-MS (PTR-TOF 8000, IONICON Analytik GmbH) detects VOCs in real-time through a proton transfer reaction that takes place between a sample gas and the produced H3O+ ions form the ion source [46]. It records the mass spectrum as a mass to charge ratio (m/z) of typically ...
In a soil–water mixture, a water molecule has the ability to either store energy (i.e., charge storage capacity) or release heat as a loss of energy when exposed to an EM field, which influences the EM wave and helps in measurement of εr. The εr is a dimensionless number that ...
So that the results described in this section can be reconstructed at pH = 7, the standard molal Gibbs energies () and net charges of ionized proteins at this pH are listed in Table 1. In Figs. 1a and 1b the metastable equilibrium predominance limits of ionized proteins in the ...