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pishuonlain [190]
3 years ago
15

100 POINTS FOR QUESTION

Chemistry
2 answers:
Vinil7 [7]3 years ago
4 0

Answer:

do not know

Explanation:

oksano4ka [1.4K]3 years ago
3 0

the answer is 150...

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siniylev [52]

Answer: Yes! you're all good. Alkali metals in group 1 are the most metallic :)

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3 years ago
Someone please notice!! Explain the other parts such as the petal and receptacle do in the flower.
Troyanec [42]

Answer: well the receptacle connect the stalk to the flower and to support the flower and keeps the flower in an elevated position so as to attract the insects

Explanation: I don’t know if this helped

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2 years ago
What is the volume of an object with a mass of 220g and a desnisty of 55cm3?
dmitriy555 [2]
Volume=Mass over density. V= 220/55. V=4cm^3
7 0
3 years ago
The chemical reaction that occurs in a gas grill is the combustion of propane, C3H8. Write a balanced equation for this reaction
Orlov [11]
C3H8 (liquid) + 5O2 (gas) ➡️ 3CO2 (gas) + 4H2O (liquid)
3 0
3 years ago
Read 2 more answers
Explain how it is possible for 10 grams of methane fuel to burn and emit 27 grams of carbon dioxide. Discuss whether or not this
Rufina [12.5K]

This reaction obeys the law of conservation of mass.

Explanation:

In the burning reaction, methane (CH₄) react with oxygen (O₂) to produce carbon dioxide (CO₂) and water (H₂O):

CH₄ + 2 O₂ → CO₂ + 2 H₂O

Now we calculate the number of moles of methane and carbon dioxide:

number of moles = mass / molar weight

number of moles of methane = 10 / 16.04 = 0.62 moles

number of moles of carbon dioxide = 27 / 44.01 = 0.61 moles

From the chemical reaction we see that 1 mole of methane produces 1 moles of carbon dioxide so 0.6 moles of methane produces 0.6 mole of carbon dioxide. This reaction obeys the law of conservation of mass because the mass of reactants is equal to the mass of products.

Learn more about:

combustion reaction

brainly.com/question/14117102

#learnwithBrainly

7 0
3 years ago
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