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Ivahew [28]
3 years ago
13

What are the two toxic byproducts of incomplete combustion?

Chemistry
1 answer:
Brums [2.3K]3 years ago
5 0
Answer- C (water and carbon dioxide)
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Name two things in the lab that are for safety
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Answer:

Safety goggles and chemical fume hoods

Explanation:

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Lionel has a hot plate, a thermometer, a container of water, a spoon, and a small hammer. Using these tools,
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Answer:

atomic structure

Explanation:

Its pretty obvious. Nothing here can test atomic structure. You can test melting point, with a hot plate. You can test the ability to dissolve something with the container of water. You can test brittleness  with the hammer.

6 0
3 years ago
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What volume of a 0.550 M solution of potassium hydroxide (KOH) can be made with 19.9 g of potassium hydroxide?
Natalija [7]

Answer:

0.645 L

Explanation:

To find the volume, you need to (1) convert grams to moles (using the molar mass) and then (2) calculate the volume (using the molarity ratio). The final answer should have 3 sig figs to match the sig figs of the given values.

(Step 1)

Molar Mass (KOH): 39.098 g/mol + 15.998 g/mol + 1.008 g/mol

Molar Mass (KOH): 56.104 g/mol

19.9 grams KOH              1 mole
--------------------------  x  -----------------------  =  0.355 moles KOH
                                     56.014 grams

(Step 2)

Molarity = moles / volume                            <----- Molarity ratio

0.550 M = 0.355 moles / volume                 <----- Insert values

(0.550 M) x volume = 0.355 moles              <----- Multiply both sides by volume

volume = 0.645 L                                          <----- Divide both sides by 0.550

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What is the formula for the polyatomic ion and name the following compound<br>Sn(NO2)2​
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There are 9 polyatomic ions so which one and the compound “Sn(NO2)2 is Tin(ll) Nitrite
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3 years ago
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