for a clear understanding of how closely they are related, scientists compare their DNA, an essential molecule that's the instruction manual for building each species. Humans and chimps share a surprising 99 percent of their DNA.
Answer:
Using the formula cards again, add the coefficient of 2 in front of the formula and have them recalculate the number of each element and the total number of atoms in each element.
Explanation:
Answer:
8.62 g of Hydrogen
Solution:
Molar mass of CH₄O (Methanol) is 32 g.mol⁻¹.
It means,
32 g of CH₄O contains = 4 g of Hydrogen
Then,
69 g of CH₄O will contain = X g of Hydrogen
Solving for X,
X = (69 g × 4 g) ÷ 32 g
X = 8.62 g of Hydrogen
I can't answer this question because the problem is incomplete; no choices were given. Luckily, I found a similar problem from another website which I've attached as a picture down below. An ion-dipole bond results when one dipole molecule is present with an ion in the solution. Water is a dipole molecule. Now, CH₃OH, an alcohol, is a nonelectrolyte. It doesn't dissociate into ions when solvated. On the otherhand, Ca(NO₃)₂ dissociates into Ca²⁺ and 2 NO₃⁻ ions.
<em>Therefore, the answer is Ca(NO₃)₂.</em>
Answer:
Initially the alpha particle has only kinetic energy EK. As it approaches the gold nucleus it suffers repulsion by the 79 protons within that nucleus. Its kinetic energy changes into electric potential energy EP.