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Angelina_Jolie [31]
3 years ago
13

Muscles in a kangaroo's legs work as a result of the way in which the cells that make up the muscle work. Which component of cel

l theory does this best illustrate?
A. all living things are made of cells
B.Cells are the basic unit of structure and function of all living things
C. all cells come from other cells
D. Cells are generated from non living materials
Chemistry
2 answers:
katovenus [111]3 years ago
8 0

Answer:

Explanation:

Muscles in a kangaroo’s legs work because of the cells that make up the muscle. Which component of cell theory does this best illustrate?

All living things are made of cells.

Cells are the basic unit of structure and function of all living things.

All cells come from other cells.

Cells are generated from nonliving materials.

Cells are the basic unit of structure and function of all living things.

I just took the quiz and got a 90% Trust me!!!

Ahat [919]3 years ago
8 0

Answer: C. Cells are the basic Unit of structure and function of all living things.

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Propane (c3h8) is burned in oxygen to produce carbon dioxide and water. the heat of combustion of propane is -2012 kj/mole. how
Olegator [25]
C_{3} H_{8} + 5 O_{2} ---\ \textgreater \  3CO_{2}  +4H_{2}O    (-2012 \frac{kJ}{mol} )


3 mol                10 mol


C_{3}H_{8} is /excess /reactant

because 3 mol propane require 15 mol oxygen (by reaction)

5 mol oxygen ---1 mol propane, so

10 mol oxygen ---2 mol propane

Only 2 mole propane will be burned,

so 

2012 ( kJ/mol)*2 mol =4024 KJ heat will be given off

Correct answer is number 4.



5 0
3 years ago
Put the following metric units in order from largest to smallest pL, mL, dL, kL
earnstyle [38]

Answer:

kL, dL, mL, pL

Explanation:

pL stands for picoliters. This is equal to 1 × 10⁻¹² (0.000000000001) liters.

mL stands for milliliters. This is equal to 1 × 10⁻³ (0.001) liters.

dL stands for deciliters. This is equal to 1 × 10⁻¹ (0.1) liters.

kL stands for kiloliters. This is equal to 1 × 10³ (1000) liters.

8 0
3 years ago
What is molarity?explain with example​​
larisa [96]

Answer:

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6 0
2 years ago
A cube of steel has dimension 0.2m x 02.m x 0.2m. What is the volume of the cube in cubic centimeters ?
drek231 [11]

Answer:

8000

Explanation:

0.2 x 0.2 x 0.2

then m to cm^3

7 0
3 years ago
Give the number of particles of each element in NH3, ammonia.
Y_Kistochka [10]
You'll need Avogadro's number for this. NH3 has 1 Nitrogen and 2 Hydrogen. You'll multiply the molar mass of each times Avogadro's number. So:

molar mass N x 6.022x10^23 x 1 Nitrogen= total A

Molar mass H x 6.022x10^23 x 2 Hydrogen= total B

Add total A+B = your answer

I don't have a calculator or periodic table but if you plug in the numbers you'll get your answer. Hope it helps.
3 0
3 years ago
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