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Which are the strongest interactions between molecules

Hydrogen bonds are the strongest, which are possible only between H and F, O or N because of the difference in electronegativity; then, permanent dipole-permanent dipole interactions come second as they form...
EB
Answered by Eduardo B. • Chemistry tutor
2857 Views

How does blood flow through the heart and body?

Deoxygenated blood from the body goes to the heart via veins. Specificially deoxygenated blood goes through the vena cava into the right atrium. Blood then moves through the atrio-ventricular valves into the...
MV
Answered by Maya V. • Biology tutor
3487 Views

What is the difference between product and market orientation?

Product orientation: When a business focuses its efforts into creating the product, rather than focusing on what the market wants and needs. The business wants to make a product the way they want to and then...
EP
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Calculate the number of moles in a sample of 113.47g of Ca(HCO3)2.

Using the AQA specimen data sheet we see that the RAMs of the following elements areCa = 40.1H = 1.0C = 12.0O = 16.0Therefore the total mass for one mole isCa + 2x(H + C + O+O+O)= 40.1 + 2x(1+12+16+16+16)= 4...
JL
Answered by Jacob L. • Chemistry tutor
2862 Views

What is the Thaw?

The period of 1950-62 is one that had seen, both the most improvement in relations and an escalation of Cold War tensions. Known as the ‘Thaw’ this period marked a time where both countries seemingly reconci...
KR
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