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OLEGan [10]
3 years ago
10

How might using water somethimes require changing its original state?

Chemistry
1 answer:
likoan [24]3 years ago
3 0
When water changes state in the water cycle, the total number of water particles remains the same. The changes of state include melting, sublimation, evaporation, freezing, condensation, and deposition. All changes of state involve the transfer of energy.
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I saw two birds land on the roof of our porch. One bird had a twig in its beak. The other bird had a piece of string. Which sent
tia_tia [17]

Answer:

<h2><em>I</em><em> </em><em>think</em><em> </em><em>they</em><em> </em><em>were</em><em> </em><em>a</em><em> </em><em>male</em><em> </em><em>and</em><em> </em><em>female</em><em> </em><em>Robin</em><em>. </em></h2>
7 0
3 years ago
Read 2 more answers
Apply the Law of Conservation of Mass to the following problem: During a combustion reaction, 12.2 grams of methane reacts with
Ratling [72]

Answer:

5.8 g of carbon dioxide are produced

Explanation:

The Law of Conservation of Mass states that the mass of the reactants must equal the mass of the products in all chemical reactions.

This is the chemical reaction (combustion)

 CH₄     +   2O₂    →    CO₂   +    2H₂O

12.2 g        14 g             x             20g

Mass in reactants = 12.2 g + 14 g = 26.2 g

Mass in products =  x + 20 g

26.2 g = x + 20g

26.2 g - 20g = x

5.8 g = x

5 0
3 years ago
Penny bought a club moss plant for her water garden. She needs to know how tall the plant will grow so she knows how much space
Over [174]

The plant will grow less than 5 centimeters because it is a seedless, non-vascular plant. The correct option is B.

<h3>What are moss plants?</h3>

Moss plants are those plants that do contain seeds or flowering plants. They are non-vascular plants, and they maintain the moisture of the soils. They are very small plants.

Moss plants are small plants that grow in moist and humid conditions. They do not need so much sunlight. They will grow less than 5 centimeters and wet conditions.

Thus, the correct option is B. less than 5 centimeters because it is a non-vascular plant.

To learn more about moss plants, refer to the link:

brainly.com/question/3329215

#SPJ1

8 0
1 year ago
A mixture of potassium bromide and potassium hydroxide has a total mass of 5.50 g. if the mixture contains 2.45 g k, what is the
algol13
Answer is: mass in grams of KOH is 1,68.
m(KBr + KOH) = 5,50 g.
m(K) = 2,45 g.
M(KBr) = 39 g/mol + 80 g/mol = 119 g/mol.
M(KOH) = 39 g/mol + 16 g/mol + 1 g/mol = 56 g/mol.
ω(K) = 2,45 g ÷ 5,50 g.
ω(K) = 0,445 = 44,5%.
n(K) = m(K) ÷ M(K).
n(K) = 2,45 g ÷ 39 g/mol.
n(K) = 0,062 mol.
m(Br + OH) = 5,50 g - 2,45 g = 3,05 g.
n(K) = n(KBr + KOH) = 0,062 mol.
M(KBr + KOH) = 5,50 g ÷ 0,062 mol = 88,7 g/mol.
Set two equations:
1) m(KBr) + m(KOH) = 5,50 g.
2) m(KBr)/M(KBr) + m(KOH)/M(KOH) = 0,062 mol.
m(KOH) = 5,50 g - M(KBr), put that in second equation.
m(KBr) = 3,82 g.
m(KOH) = 5,50 g - 3,82 g = 1,68 g.
3 0
3 years ago
Read 2 more answers
The net force of a vehicle that is accelerating at a rate of 1.5 m/s2 is 1,800 newtons. What is the mass of the vehicle to the n
Tatiana [17]

Answer:

1.2kg or 1200kg

Explanation:

F = ma

net force = 1,800

m = ??

a = 1.5m/s^2

m = F/a = 1,800/1.5 or 1,800 x 10/1.5 x 10

= 18,000/15 = 1,200kg or 1.2kg

Thanks

4 0
3 years ago
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