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BabaBlast [244]
3 years ago
7

A dodder plant wraps itself around a potato plant. The dodder then uses its root system to obtain water and nutrients from the p

otato plant.
Which statement best describes this scenario?

The potato plant is parasitic.
The dodder plant is a host.
The potato plant stays alive because of the dodder.
The dodder plant stays alive because of the potato plant.
Chemistry
2 answers:
pochemuha3 years ago
5 0

Answer:

D

Explanation:

denpristay [2]3 years ago
4 0
The last one is the answer
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5. How many moles are equal to 2.4 x 1023 formula units of sodium chloride?
Zepler [3.9K]

Answer:

<h3>The answer is 0.4 moles</h3>

Explanation:

To find the number of moles in a substance given it's number of entities we use the formula

n =  \frac{N}{L}  \\

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

n =  \frac{2.4 \times  {10}^{23} }{6.02 \times  {10}^{23} }  =  \frac{2.4}{6.02}  \\  = 0.398671096....

We have the final answer as

<h3>0.4 moles</h3>

Hope this helps you

7 0
3 years ago
Milk is heterogeneous mixture why​
Tanzania [10]

Answer:

Milk is essentially a colloidal dispersion of fat in water. ... However, the fact remains that the fat and water components cannot be mixed together from a solution. There are therefore, two distinct immiscible liquid phase's present, which is why it is a heterogeneous mixture.

8 0
3 years ago
Read 2 more answers
A 112 gram sample of an unknown metal was heated from 0.0C to 20.0C. The sample absorbed 1004 J of energy. What was the specific
worty [1.4K]

Answer:

The specific heat of the sample unknown metal is approximately 0.45 J/g °C.

General Formulas and Concepts:
<u>Thermodynamics</u>

Specific Heat Formula: \displaystyle q = mc \triangle T

  • <em>m</em> is mass (g)
  • <em>c</em> is specific heat capacity (J/g °C)
  • Δ<em>T</em> is the change in temperature

Explanation:

<u>Step 1: Define</u>

<em>Identify variables.</em>

<em>m</em> = 112 g

Δ<em>T</em> = 20.0 °C

<em>q</em> = 1004 J

<u>Step 2: Solve for </u><u><em>c</em></u>

  1. Substitute in variables [Specific Heat Formula]:                                        \displaystyle 1004 \ \text{J} = (112 \ \text{g})(c)(20.0 \ ^{\circ} \text{C})
  2. Simplify:                                                                                                        \displaystyle 1004 \ \text{J} = (2240 \ \text{g} \ ^\circ \text{C})c
  3. Isolate <em>c</em>:                                                                                                        \displaystyle c = 0.448214 \ \text{J} / \text{g} \ ^\circ \text{C}
  4. Round [Sig Figs]:                                                                                          \displaystyle c \approx 0.45 \ \text{J} / \text{g} \ ^\circ \text{C}

∴ specific heat capacity <em>c</em> is equal to around 0.45 J/g °C.

---

Topic: AP Chemistry

Unit: Thermodynamics

5 0
3 years ago
What is the price of 1 gallon of gasoline in U.S. dollars in France?
Tasya [4]
The price of 1 gallon of gasoline in U.S. dollars in France is $4.87
7 0
3 years ago
Sugar when dissolved into water, propose whether the compound forms atoms, molecules or lattices. Justify you answer
kirza4 [7]

Answer:

atoms

Explanation:

for sugar to dissolve in water hydaration must be equal to or greater than the lattice energy or molecular forces so when the molecular forces breaks new atoms are formed for recombination in new compound

6 0
3 years ago
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