The statement which correctly describes periodic trends in ionization energy is: B. Ionization energy generally increases from bottom to top and left to right.
A Periodic table is an organized tabular array of all the chemical elements arranged in order of increasing atomic number (in rows).
Ionization energy can be defined as the minimum energy required to remove (detach) an electron from a neutral atom in its gaseous state.
Generally, ionization energy tend to increase from left to right across a period on the periodic table and from bottom to top in each group of a periodic table.
This increase is mainly because the atomic radius of chemical elements generally decreases across the periodic table, typically from alkali metals (group one elements) such as sodium, lithium and hydrogen to noble gases (group eight elements) such as neon, helium, and argon. Thus, the periodic trend for ionization energy is from left to the right and bottom to top of the periodic table.
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Answer:
![\boxed{\text{1000 g}}](https://tex.z-dn.net/?f=%5Cboxed%7B%5Ctext%7B1000%20g%7D%7D)
Explanation:
We know we will need a balanced equation with masses, moles, and molar masses, so let’s gather all the information in one place.
M_r: 84.01
H₂SO4 + 2NaHCO₃ ⟶ Na₂SO₄ + 2CO₂ + 2H₂O
n/mol: 6
1. Use the molar ratio of NaHCO₃ to calculate the moles of NaHCO₃.
![\text{Moles of NaHCO$_{3}$ = 6 mol H$_{2}$SO$_{4}$} \times \dfrac{\text{2 mol NaHCO$_{3}$}}{\text{1 mol H$_{2}$SO$_{4}$}}\\=\text{12 mol NaHCO$_{3}$}](https://tex.z-dn.net/?f=%5Ctext%7BMoles%20of%20NaHCO%24_%7B3%7D%24%20%3D%206%20mol%20H%24_%7B2%7D%24SO%24_%7B4%7D%24%7D%20%5Ctimes%20%5Cdfrac%7B%5Ctext%7B2%20mol%20NaHCO%24_%7B3%7D%24%7D%7D%7B%5Ctext%7B1%20mol%20H%24_%7B2%7D%24SO%24_%7B4%7D%24%7D%7D%5C%5C%3D%5Ctext%7B12%20mol%20NaHCO%24_%7B3%7D%24%7D)
2. Use the molar mass of NaHCO₃ to calculate the mass of NaHCO₃.
![\text{Mass of NaHCO$_{3}$ = 12 mol NaHCO$_{3}$} \times \dfrac{\text{84.01 g NaHCO$_{3}$}}{\text{1 mol NaHCO$_{3}$}}\\\\= \text{1000 g NaHCO$_{3}$}](https://tex.z-dn.net/?f=%5Ctext%7BMass%20of%20NaHCO%24_%7B3%7D%24%20%3D%2012%20mol%20NaHCO%24_%7B3%7D%24%7D%20%5Ctimes%20%5Cdfrac%7B%5Ctext%7B84.01%20g%20NaHCO%24_%7B3%7D%24%7D%7D%7B%5Ctext%7B1%20mol%20NaHCO%24_%7B3%7D%24%7D%7D%5C%5C%5C%5C%3D%20%5Ctext%7B1000%20g%20NaHCO%24_%7B3%7D%24%7D)
You must use
of NaHCO₃.
Answer:
The composition of a nuclide (atomic nucleus) is defined by the number of protons Z and the number of neutrons N, which sum to mass number A.Proton number Z, also named the atomic number, determines the position of an element in the periodic table.The approximately 3300 known nuclides are commonly represented in a chart with Z and N for its axes and the half-life for radioactive decay
Explanation:
Because i think melting is kinda the biproduct of evaporation.
The Density Calculator uses the formula p=m/V, or density (p) is equal to mass (m) divided by volume (V). The calculator can use any two of the values to calculate the third. Density is defined as mass per unit volume.