Answer:
Telophase
Explanation:
During telophase, a nuclear membrane forms around each set of chromosomes to separate the nuclear DNA from the cytoplasm.
I hope this helps! (If not, I am very sorry!)
Answer:
mass and weight
Explanation:
because ur weight pulls you to the center of the earth
Gonna have to go with A since two genes create a new one example is parents having a kid that’s how I understood it sorry if it’s wrong or I misunderstood
Answer:
12.1; acidic
Explanation:
I'm assuming the hydrogen concentration is H+.
So, first we must find pH.
pH = -log[H+]
I simply just plugged in the concentration.
I get 1.9 as the pH. This means that the substance is very acidic since it has a low pH.
Now to find poH.
poH + pH = 14
I simply plugged in once again!
I get 12.1 as the poH. This also determines that the substance is very acidic since it has a high poH.
The correct answer to this question is this one:
Molarity = moles / volume in dm3 or litre
1st of all convert volume 30 mL into Litre or dm3 by dividing it with 1000. then it becomes 30/1000 = 0.03
Now find the moles by arranging the above equation, i.e
moles = molarity * volume
moles = 0.6 * 0.03
moles = 0.018
now we have got the moles of Na2CO3
1 mole of Na2CO3 = 3 moles of total ions. (2NA+ and CO-2)
0.018 moles of Na2CO3 = 3*0.018
0.018 moles of Na2CO3 = 0.054 moles of ions
now apply the formula, i.e number of atoms or ions = moles * Na (avogadros number.)
number of ions = moles of ions * Na (avogadro's number)
number of ions = 0.054 * 6.022 * 10^{3}
number of ions = 3.025 * 10^{22}
