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marissa [1.9K]
3 years ago
8

What happens when uranium mixes with iodine?

Chemistry
1 answer:
Ludmilka [50]3 years ago
3 0
U + 2I₂ → UI₄    uranium (IV) iodide

2U + 3I₂ → 2UI₃  uranium (III) iodide

2UI₄ ⇄ 2UI₃ + I₂
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Carbon-14 emits beta radiation and decays with a half life of 5730 years. Assume you start with 2.5x10^15 grams of Carbon-14, ho
saveliy_v [14]

The amount remaining at the end of 5 half-lives is 7.81×10¹³ g

From the question given above, the following data were obtained:

  • Half-life (t½) = 5730 years
  • Original amount (N₀) = 2.5×10¹⁵ g
  • Number of half-lives (n) = 5
  • Amount remaining (N) =?

The amount remaining can be obtained as follow:

N = 1/2ⁿ × N₀

N = 1/2⁵ × 2.5×10¹⁵

N = 1/32 × 2.5×10¹⁵

N = 0.03125 × 2.5×10¹⁵

N = 7.81×10¹³ g

Therefore, the amount remaining after 5 half-lives is 7.81×10¹³ g

Learn more about half-life: brainly.com/question/25783920

3 0
2 years ago
Avogadro's number 6.02 X 10^23 is used in chemistry to measure something like electrons, atoms, elements etc. Question 1 options
liraira [26]
True should be correct
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4 0
3 years ago
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What type of bond is this?
satela [25.4K]
Is what? It depends on what your talking about.
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3 years ago
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You are given mixture made of 290 grams of water and 14.2 grams of salt. Determine the % by mass of salt in the salt solution.
marishachu [46]

Answer:

Solution is 4.67% by mass of salt

Explanation:

% by mass is the concentration that defines the mass of solute in 100g of solution.

In this case we have to find out the mass of solution with the data given:

Mass of solution = Mass of solute + Mass of solvent

Solute:  Salt → 14.2 g

Solvent: Water → 290 g

Solution's mass = 14.2 g + 290g = 304.2 g

% by mass = (mass of solute / mass of solution) . 100

(14.2 g / 304.2g) . 100 = 4.67 %

3 0
3 years ago
HELP<br> FREE BRAINLIEST
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The universe comes into existence is first
The first neutral atoms form is second
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I'm almost certain that is correct. Do not take my word for this.
6 0
3 years ago
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