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vlabodo [156]
3 years ago
5

Someone please come thru i need help with this quiz

Chemistry
1 answer:
gladu [14]3 years ago
3 0

Answer:

Explanation:

what the heck bro thats rocket science im doing chemistry but thats chempossible

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A __________ is a natural or human-made body of water surrounded by land.
Sophie [7]

Answer:

Lake

Explanation:

Yeah...not much else to say honestly

5 0
3 years ago
Bl Write a word equation for<br> the combustion of sulfur.
PolarNik [594]

 Example, when sulfur is burned in the air (one of my favorite chemical reactions) it combines with oxygen in the air to form an oxide. We consider this reaction in the form of a chemical equation: S (sulfur) + O2 (oxygen) |> SO2 (sulfur dioxide)

4 0
3 years ago
What is the overall reaction order for this rate law: rate= k[A][B]?
nika2105 [10]
The over all order of the reaction with the rate law of rate=k[A][B] is 2 since the exponent for [A] is 1 and the exponent for [B] is 1 and 1+1=2.  

for example the order for the rate law rate=[A]²[B] is 3 since 2+1=3 and the order for a rate law of rate=[A]²[B]³ the order would be 5 since 2+3=5.

I hope this helps.  Let me know if anything is unclear.
5 0
3 years ago
Methane (CH4) reacts with Cl2 to yield CCl4 and HCl by the following reaction equation: CH4 + 4 Cl2 → CCl4 + 4HCl. What is the Δ
Vlad1618 [11]

Answer: The ΔH of the reaction if 51.3 g of CH_4 reacts with excess Cl_2 to yield 1387.6 kJ is 432.27kJ

Explanation:

To calculate the moles, we use the equation:

\text{Number of moles}=\frac{\text{Given mass}}{\text {Molar mass}}

moles of CH_4

\text{Number of moles of methane}=\frac{51.3g}{16g/mol}=3.21moles

CH_4+4Cl_2\rightarrow CCl_4+4HCl   \Delta H=?

As Cl_2 is present in excess, CH_4 is the limiting reagent as it limits the formation of product.

If 3.21 moles of methane releases heat = 1387.6 kJ

Thus 1 mole of methane release=\frac{1387.6}{3.21}\times 1=432.27kJ

4 0
3 years ago
What are natural resources
Angelina_Jolie [31]
Resources that come from nature, some examples include: Water, Gold, Oil, Coal, Apples, Oranges, etc. 
5 0
3 years ago
Read 2 more answers
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