A.<span>In this stage, the chromosomes begin to spread out across the center of the cell.</span>
Answer:
10.56g
Explanation:
From the reaction equation, we can see that it is unbalanced. In the balanced state, 2 moles of KClO3 will yield 3 moles oxygen.
Let's calculate the actual number of moles now. We first divide the mass of the KClO3 by the molar mass. Molar mass of KClO3 = 39 + 35.5 + 3(16) = 122.5g/mol
The number of moles is thus 26.4/122.5 = 0.22 mole
If 2 moles KClO3 gave 3 moles O2, this means 0.22 moles will give (0.22 × 3)/2 = 0.33 mole
To calculate the mass of oxygen formed, we multiply the molecular mass of oxygen molecule by the number of moles
The molecular mass of oxygen molecule = 16 × 2 = 32g/mol
The mass formed = 32 × 0.33 = 10.56g
If this is a true of false question, note that it's false. Unsaturating the color, meaning giving it a lower amount up to zero, can cause gray tones - especially when it comes to pictures when editing it. High color saturation can make the color tone very vivid.
Answer:
The geometric shape of a CH4 molecule distributes the charges symmetrically.
Explanation:
The dipole moment is ruled by the compound's geometry and elements electronegativity difference.
Arranging the forces acording to the elements electronegativity difference withing the molecule geometry will yeld the dipole moment.
If the forces cancel out, it is a nonpolar compound.
If the forces does not cancel out it is a polar compound.
Picture of such analysis for methane is attached.
