Answer:
The peripheral nervous system can be further divided into the autonomic system, which regulates involuntary actions, and the somatic system, which controls voluntary actions.
Explanation:
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The number of animal balloons created in 15 minutes = 20
The number of animal balloons created in 1 minute = 
So, the number of animal balloons created in 6 minutes = 
And, the number of animal balloons created in 45 minutes = 
So, the solved ratio table will be:
Answer:
The average rate is 2.84 X 10⁻³ Ms⁻¹
Explanation:
Average rate = -0.5*Δ[HBr]/Δt
given;
[HBr]₁ = 0.590 M
[HBr]₂ = 0.465 M
Δ[HBr] = [HBr]₂ - [HBr]₁ = 0.465 M - 0.590 M = -0.125 M
Δt Change in time = 22.0 s
Average rate = -0.5*Δ[HBr]/Δt
Average rate = - 0.5(-0.125)/22
Average rate = 0.00284 Ms⁻¹ = 2.84 X 10⁻³ Ms⁻¹
Therefore, the average rate is 2.84 X 10⁻³ Ms⁻¹
Answer:
9.15 × 10²³ molecules of N₂O present.
Explanation:
Given data:
number of moles = 1.52 mol
molar mass of N₂O = 44.013 g/mol
number of molecules = ?
Solution:
First of all we will calculate the mass of 1.52 mol.
mass = number of moles × molar mass
mass = 1.52 × 44.013 g/mol
mass = 66.9 g
Now we will find the number of molecules by using Avogadro number,
The number 6.022×10∧23 is called Avogadro number and it is the number of atoms or molecule in one gram atom of an element or one gram molecule of a compound.
44.013 g of N₂O = one mole of N₂O= 6.02 × 10²³ molecules
For 66.9 g:
66.9 g/ 44.013 g × 6.02 × 10²³ molecules
9.15 × 10²³ molecules of N₂O present
Fusion, fission, and radioactive decays of unstable nuclei, involve release or absorption of energy. The total number of neutrons plus protons does not change in any nuclear process. are not conserved, but the total number of protons plus neutrons is conserved.
