1)Explainthedifferencebetweenastrongacidandaweakacid.Dothesameforbases.Giveexamples.StrongAcid:anacidthationizes(dissociatesintoH+ions)completelyinaqueoussolution.Sothatinwater,100%oftheacidmoleculesareionized.Thestrengthofanaciddependsonthepolaritybetweenthehydrogenandtheelementitisbondedtoandtheeasewithwhichthat...
The valence bond theory is a chemical bonding theory that describes how the overlap of half-filled atomic orbitals causes bonding between two atoms. The unpaired electrons of the two atoms are shared to produce a filled orbital and a hybrid orbital, allowing them...
Describe the function of organelles, cells, tissues, and the organ system as well as their role in the cell. Describe the effect of temperature on enzymes. How can a molecular compound have polar bonds but an overall polarity of a non-polar compound, for example BeCl2? Explain the difference...
A recent study showed surprising features of reversed-polarity of TRBV TCRs such that interactions of NP366:H-2DbD227K to TCRs B13.C1 and B17.C1 induced T-cell signaling, whereas interactions of the same pMHC to B17.R1 and B17.R2 TCRs did not13. Despite that the former two TCRs ...
The positive coefficient for the interaction term (Sentiment×Falsehood) suggests the opposite effect for false rumors. Compared to true rumors, a one standard deviation more positive sentiment for false rumors is linked to a 61.44% increase in the cascade size, a 37.58% increase in the cascade ...
This was not dependent on the observed changes in motor cortical excitability of the tibialis anterior muscle. Conclusion(s): Polarity independent effects of tDCS on cerebellum were observed. The present study shows that modulation effects of tDCS can occur because of changes in the cerebellum, a ...
The degradation term λu in Equation 1 accounts for nucleotide exchange, and can be set to zero in order to obtain the bulk solutions for the different species, e.g., the time evolution of cytosolic MinD uD = uDT + uDD is governed by diffusion alone as the reaction terms cancel. Then ...
However due to limitations in the existing methods to assign senses to words in open-domain texts, this word sense based approach has not demonstrated significant advantages over the traditional term-based approaches. Also most sentiment lexicons consider limited polarity values (usually 2 or 3), ...
but getting about 1.41412... volts is not unheard of. This could also indicate anRMSvoltage, although this is unlikely given that this is a DC power supply and not an AC generator. The marked polarity is also the reverse of what is implied by the symbol (where the larger terminal is po...
NASA uses the vantage point of space to increase our understanding of our home planet, improve lives and safeguard our future. NASA develops new ways to observe and study Earth's interconnected natural systems with long-term data records. The agency freely shares this unique knowledge and works ...