Neon has a smaller atomic radius do it having less of an electron shield. Also the more protons an element has the tighter it is held together making it smaller.

4 0

4 years ago

When plants and animals die, their bodies are decomposed by organisms such as bacteria or fungi. Which statement is true regardi

zimovet [89]

The Answer Is B. I'm sure of it 86% sure

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4 years ago

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Using water and the reagents provided in the lab, create two solutions such that when you mix equal amounts together, the result

Bingel [31]

Here’s one of many possibilities.

We MUST know the heat of reaction, ΔH, before we start .

Let’s assume that the reaction is

A + B → Products; ΔH = -80 kJ·mol⁻¹

Let’s assume that you want to get 100 mL of solution that warms from 25 °C to 50 °C.

For the solution

q = mcΔT = 100 g × 4.184 J·K⁻¹mol⁻¹ × 25 K = 10 460 J = 10.46 kJ

The reaction must supply 10.46 kJ.

For the reaction

nΔH = 10.46 kJ

n = 10.46 kJ/80 kJ = 0.131 mol

So, you need 0.131 mol A and 0.131 mol B.

Assume you are using the 3 mol·L⁻¹ solutions.

Then

V = 0.131 mol × (1 L/3 mol) = 0.0436 L = 46.6 mL

You need 46.6 mL of 3 mol·L⁻¹ A + 46.6 mL of 3 mol·L⁻¹ B.

Add 3.4 mL distilled water to 46.6 mL of 3 mol·L⁻¹ A to make 50 mL of A.

Add 3.4 mL distilled water to 46.6 mL of 3 mol·L⁻¹ B to make 50 mL of B.

Mix the two solutions, and you will have 100 mL of a solution at 50 °C .

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4 years ago