Answer:
arteries carry blood from the heart to the lungs and veins carry blood from the lungs to the heart
Explanation:
Arteries carry oxygenated blood from the heart, while veins carry oxygen-depleted blood back to the heart. ... The pulmonary veins transport oxygenated blood back to the heart from the lungs, while the pulmonary arteries move deoxygenated blood from the heart to the lungs.)
Answer:
The formal charge on N is usually -1 for an anion, 0 for a neutral compound, and +1 in cations.
Explanation:
HCO3^1- because sodium has a 1+ charge
Answer:
Explanation:
Hello,
In this case, for the calculation of the molar mass of nitric acid, we should employ the following formula, knowing that there is one hydrogen atom, one nitrogen atom and three oxygen atoms:
Now, we use the atomic mass of each atom to compute the total molar mass:
Best regards.