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boyakko [2]
3 years ago
10

Which biome has leaves that change color and fall off as winter approaches?

Chemistry
2 answers:
Galina-37 [17]3 years ago
7 0

Answer:

Option (A)

Explanation:

The temperate forest usually covers the tropical and the taiga region. The trees in this forest region experience all the four seasons namely summer, autumn, winter and spring. It comprises approximately 25% of the total forest-covered region on earth. The leaves of these trees change color during the autumn season, which eventually falls off during the winter season, and again, new leaves grow back during the spring season. This enables the plants to survive and go through the cold temperature in the winter.

Thus, the correct answer is option (A).

Kryger [21]3 years ago
5 0
I feel like this would be your answer

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Suppose that coal of density 1.5 g/cm^3 is pure carbon. (It is, in fact, much more complicated, but this is a reasonable first a
NISA [10]

Answer:

q = -6464.9 kJ

Explanation:

We are given that the heat of combustion is  ∆H° = −394 kJ per mol of carbon.Therefore what we need to do is calculate how many moles of C are in the lump of coal by finding its mass since the density is given.

vol = 5.6 cm x 5.1 cm x 4.6 cm = 131.38 cm³

m = d x v = 1.5 g/cm³ x 131.38 cm³ = 197.06 g

mol C = m/MW = 197.06 g/ 12.01g/mol = 16.41 mol

q =  −394 kJ /mol C x 16.41 mol C = -6464.9 kJ

7 0
3 years ago
K + Cl2 -&gt; KCI <br> Balance equation
PtichkaEL [24]

Answer:

2K + Cl2 -> 2KCl

Explanation:

Just balancing :3

7 0
3 years ago
Identify the gas law that applies to the following scenario: A 36.5 liter balloon holding 2.9 moles of carbon dioxide leaks. If
jarptica [38.1K]

Answer:

Avogadro's Law; 15.1L

Explanation:

Boyle's Law- Pressure and volume are <u>inversely</u> related, so an increase in pressure= decrease in volume. We see this in the equation P1V1=P2V2.

Charle's Law- Gas expands/increases in volume when temperature increases, so they are <u>proportional</u>. We see this in the formula \frac{V1}{T1} = \frac{V2}{T2}.

Guy-Lussac's Law-  As temperature increases, pressure increases, so they are <u>proportional</u>. We see this in the formula \frac{P1}{T1} = \frac{P2}{T2}.

Avogadro's Law- There are equal amount of volume have an equal amount of moles, so they are proportional. We see this in the formula \frac{V1}{n1} = \frac{V2}{n2}.

Plugging in the values based on Avogadro's Law, we'll have:

\frac{36.5}{2.9} = \frac{V2}{1.2}

12.6 = \frac{V2}{1.2}

12.6 x 1.2 = V2

15.1L =V2

6 0
3 years ago
Licocada is a refreshing drink sold in Quibdó fruit shops. It is a combination of lemonade with coconut water and oregano. A stu
marissa [1.9K]

Answer:

Filtration is the best method or seiving to put the drink in a cup while the seed falls on the seiver

Explanation:

6 0
3 years ago
what is the concentration (molarity) of a solution that has 0.150 moles of sodium chloride dissolved in 0.900 L solution
Alexxx [7]

Answer:

Molarity= 0.167M

Explanation:

n= 0.15mol, V= 0.9, C= ?

Applying n= CV

0.15= C× 0.9

C= 0.167M

5 0
3 years ago
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