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bogdanovich [222]
3 years ago
5

Chemical reactions will occur if_____.

Chemistry
1 answer:
Nikitich [7]3 years ago
3 0

Answer:

the products are more stable than the reactants

Explanation:

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When 7.02 grams of a compound containing only carbon and hydrogen was burned completely in 25.5 grams of oxygen, 21.0 grams of c
seropon [69]

Mass of water is 11.52 grams.

Overall chemical equation for reaction of combustion a compound containing only carbon and hydrogen:

CxHy + O₂ → xCO₂ + y/2H₂O

m(CxHy) = 7.02 g; mass of the compound

m(O₂) = 25.5 g; mass of oxygen

m(CO₂) = 21.0 g; mass of carbon dioxide

m(H₂O) = ?; mass of water

Conservation of matter states that the mass of the reactants have to be equal to the mass of the products.

m(CxHy) + m(O₂) = m(CO₂) + m(H₂O)

7.02 g + 25.5 g = 21.0 g + m(H₂O)

m(H₂O) = 32.52 g - 21.0 g

m(H₂O) = 11.52 g; mass of water

More about conservation of matter: brainly.com/question/18318085

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6 0
1 year ago
Which of these is a physical factor that can influence the amount of plant life that can grow in an ecosystem? A. Plant-eating a
Korvikt [17]

Answer:Sunlight

Explanation:

Sunlight is a physical factor that really determine the amount of plant life available in an ecosystem. Plants depend on sunlight to produce their own food via photosynthesis. Hence in the absence of sunlight, the amount of plant life will drastically reduce in a given ecosystem. Sunlight is indispensable for plant growth.

6 0
3 years ago
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A 0.15 M NaOH solution has a volume of 0.125 L but is then diluted to 0.15 L. What is the concentration of the new solution
tresset_1 [31]

Answer:

.125 M

Explanation:

.15 M/L   * .125 L = .01875 moles

now dilute to 150 cc  (by adding 25 cc)

.01875M / (150/1000) = .125M

5 0
2 years ago
What is 1.724 L expressed in cm3?
Soloha48 [4]
1724 centimeters cubics
8 0
3 years ago
If the plum pudding model of the atom was correct, what should the results of Rutherford’s experiment be?
shusha [124]

Answer:most of the positively charge particles should be bounce back at a range of angles as they collide with the atoms in the foil; only a few should pass straight through the foil

Explanation:

6 0
3 years ago
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