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lord [1]
3 years ago
12

In a plant, roots absorb water and nutrients. Those materials are then transported to other parts of the plant. Which statements

describe the system in an animal that functions in a similar way? Choose all answers that are correct. A. An animal's blood moves nutrients throughout the animal's body like water in a plant's system moves nutrients. B. Nutrients are moved in a plant by water, like the hormones that move nutrients throughout an animal's body. C. The endocrine system transports materials throughout the animal's body. D. The responsibilities of transporting materials throughout the animal's body are done by the circulatory system.
Chemistry
2 answers:
Fiesta28 [93]3 years ago
8 0
C is the correct anwser 
sattari [20]3 years ago
8 0

A and C are the correct answers to this problem

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A solution contains 14 grams of KCl in 100. grams of water at 40°C. What is the minimum amount of KCl that must be added to make
pashok25 [27]

Answer:

1386g

Explanation:

Solubility of a solute is the ability of the solute to mix into a liquid (the solvent). It measures the highest amount of substance mixed into a liquid solvent while they are both at equal amounts.

if 14g dissolved in 100cm3

  the amount that will dissolve in 1000cm3 = 14 x 1000/ 100

                                                                      =1400g

To form a saturated solution, 1400 - 14 = 1386g must be added.

8 0
3 years ago
1 lb of CO2 occupies 0.6 ft^3 at a pressure of 200 psi. Determine the temperature of the system.
Anarel [89]

<u>Answer:</u> The temperature of the system is 273 K

<u>Explanation:</u>

To calculate the number of moles, we use the equation:

\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}  

Given mass of carbon dioxide = 1 lb = 453.6 g   (Conversion factor: 1 lb = 453.6 g)

Molar mass of carbon dioxide = 44 g/mol

Putting values in above equation, we get:

\text{Moles of carbon dioxide}=\frac{453.6g}{44g/mol}=10.31mol

To calculate the temperature of gas, we use the equation given by ideal gas equation:

PV = nRT

where,

P = Pressure of carbon dioxide = 200 psia = 13.6 atm   (Conversion factor:  1 psia = 0.068 atm)

V = Volume of carbon dioxide = 0.6ft^3=16.992L    (Conversion factor:  1ft^3=28.32L )

n = number of moles of carbon dioxide = 10.31 mol

R = Gas constant = 0.0821\text{ L atm }mol^{-1}K^{-1}

T = temperature of the system = ?

Putting values in above equation, we get:

13.6atm\times 16.992L=10.31mol\times 0.0821\text{ L atm }mol^{-1}K^{-1}\times T\\\\T=273K

Hence, the temperature of the system is 273 K

8 0
4 years ago
Glass of orange juice contain 0.90 dL of juice. How many milliliters of orange juice is that?
dlinn [17]
.90 dL is 90 mL because 1 dL is 100 mL
6 0
3 years ago
The type of seismic waves that arrive at the surface first and move by compressing and expanding the ground like an accordion ar
disa [49]

Answer:

p waves

Explanation:

7 0
3 years ago
Which element would you expect to behave the most like carbon (C)?
vesna_86 [32]

Answer:

A

Explanation:

Germanium and Carbon are in the same 14th group.

3 0
3 years ago
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