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blagie [28]
3 years ago
14

Need help!!!

Chemistry
1 answer:
Greeley [361]3 years ago
5 0

Explanation:

here u go kid , welcome kid :)

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Solid lithium iodide decomposes into solid lithium and iodine gas . Write a balanced chemical equation for this reaction.
olga_2 [115]
<span>Balanced chemical equation is :
2LiCl(s) ----> 2Li(s) + Cl2(g) 
</span>
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3 years ago
What does the rate law use to determine the rate of a reaction?
Alexandra [31]

Answer:

B

Explanation:

reaction order is simply the sum of orders for each reactant.

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Chlorine, which has an atomic mass of 35.453 amu, has two naturally occurring isotopes, Cl-35 and Cl-37. Which isotope occurs in
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Cl-35 occurs in greater abundance.

The <em>weighted atomic mass</em> lies <em>closer to 35 u</em> than to 37 u, so the Cl-35 isotope must be more abundant.


8 0
3 years ago
A student is given an antacid tablet that weighed 5.6832 g. The tablet was crushed and 4.3628 g of he antacid was added to 200 m
SSSSS [86.1K]

Answer:

a) 8.33 ml of the original stomach acid is neutralized

b) 191.67 ml of the stomach acid was neutralized

c)  249.68 ml acid would be neutralized by the original tablet

Explanation:

a) how much of the stomach acid had been neutralized in the 25 mL sample wich was titrated?

25.5 ml of a NaOH solution is equivalent to 25.00 ml of the original stomach acid

8.5 ml NaOH * (25.00 ml original stomach acid / 25.5 ml NaOH) = 8.33 ml original stomach acid

b) how much stomach acid was neutralized y the 4.3628 g tablet?

It takes 8.5 ml NaOH to neutralize 8.33 ml original acid (this is the answer for question 1)

This means the antacid neutralized = 200 ml - 8.33 ml = 191.67 ml

c) how much stomach acid would have been neutralized by the original 5.6832 g tablet

4.3628 g antacid is equivalent to 191.67 ml acid  ( this is the answer for question 2)

5.6832g antacid * (191.67 ml acid / 4.3628 g antacid) = 249.68 ml acid

3 0
3 years ago
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