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Norma-Jean [14]
3 years ago
15

Which characteristics help enable plants to survive on land ?

Chemistry
1 answer:
Nesterboy [21]3 years ago
7 0
N adaptation plants have to survive on land is their vascular tissue. This allows them to absorb food, water, and nutrients through their roots. Photosynthesis also allows them to receive energy via natural sunlight.
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(10 points) You have a sample of 63.5g of C2H6. How many moles of C2H6 are in the sample? Show work
Nikitich [7]

Answer:

30.06904

Explanation:

C3H4: Mass % C = 36.033 x 100 / 40.0641 = 89

7 0
4 years ago
Find the Molarity of a solution containing 2.5 moles of solute in 15000 milliliters.
garri49 [273]
Molarity is defined by the number of moles of a substance dissolved in a number of liters in solution. 15,000 milliliters is equal to 15 liters, so

2.5/15 = 0.1666... M

The molarity of this solution would be 0.167.
6 0
4 years ago
SECTION A
Burka [1]

Answer:

20cm=the length of the causation that it loads about the contrasting of the solution it is an easy question to answer it just has too many parts I answered one and I hope it helped to give you a hint towards solving the whole thing good luck

Explanation:

I tried!

4 0
3 years ago
To save time, you can approximate the initial mass of the solid to the nearest ±1 g. For example, if you are asked to add 14.3 g
tensa zangetsu [6.8K]

Answer: Set with equal densities are:

15.2 g copper and 50.0 g copper ; 11.2 g gold and 14.9 g gold

Explanation:

Density is defined as mass of the substance present in unit volume of the substance.

Density=\frac{Mass}{Volume}

It is an intensive property which means that two different masses of same substance will have same value of density under same conditions.

So, from the given samples with equal density are:

  • 15.2 g copper and 50.0 g copper will have the same value density.
  • 11.2 g gold and 14.9 g gold will have the same value density.
6 0
3 years ago
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How does the density of solid water compare to the density of liquid water
jenyasd209 [6]

The ice structure takes up more volume than the liquid water molecules, hence ice is less dense than liquid water. What is the exact change in volume of the water when it freezes as ice? Example: Calculate the volume in a 100 g ice cube with a density of 0.92 g per mL.

4 0
3 years ago
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