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neonofarm [45]
3 years ago
10

Stewart has $26 dollars. He spent $12.81, including tax, to buy a new DVD. He needs to set aside $10.00 to pay for his lunch nex

t week. If peanuts cost $0.42 per package including tax, describe the maximum number of packages that Stewart can buy?
a.p ≤ 8B)p ≤ 7C)p ≥ 8D)p ≥ 7
Chemistry
2 answers:
dsp733 years ago
6 0
The answer should be B. 
riadik2000 [5.3K]3 years ago
5 0
Your answer should be B

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Balanced chemical equation for the decomposition of solid sodium sulfide in aqueous solution.
Oliga [24]
<h3>Answer:</h3>

Na₂S(s) → 2Na⁺(aq) + S²⁻(aq)

<h3>Explanation:</h3>

We need to know:

<h3>What are decomposition reactions?</h3>
  • Decomposition reactions are type of reactions in which a compound is broken down into two or more products.
  • When a soluble substance or a compound is dissolved in water it forms an aqueous solution.
  • When this happens the soluble compound such as ionic compounds ionizes to form ions.
  • This is an example of decomposition reaction, since the ionic compound decomposes it ions making it.
  • For example, sodium sulfide is an ionic compound that ionizes in water to form sodium and sulfide ions.
  • That is;

Na₂S(s) → 2Na⁺(aq) + S²⁻(aq)

4 0
4 years ago
4. which answer below is the formula mass of a water molecule?
mars1129 [50]
The answer is 18.02 g/mol
6 0
4 years ago
I need help with the question please help
Irina18 [472]

Answer:

Explanation:

u are right

8 0
3 years ago
Read 2 more answers
The Formation Of Lithium Iodide
IRISSAK [1]

<u>Lithium Iodide</u><u>:</u>

~formed by the reaction of hydroxide with hydroiodic acid

Hope this helped you, have a good day bro cya)

6 0
3 years ago
Help please! -A compound contains 0.013 moles of carbon, 0.039 moles of hydrogen and 0.0065 moles of oxygen. Determine the empir
stepan [7]

A) C2H6O1

To find the emperical formula, divide each mole value by the smallest

For carbon, 0.013/0.0065 = 2

For hydrogen, 0.038/0.0065= 6

For oxygen, 0.0065/0.0065= 1

Emperical formula = C2H6O1

8 0
3 years ago
Read 2 more answers
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