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2 years ago

Bacteria cells are different from plant and animal cells because they don't have what???!

2 answers:

5 0

The cells of bacteria are differentfrom those of plants and animals in ways,such as the bacteria its dosnt have a nucleus. Unlike animals and plants, bacteria have plagella, and a cell capsule

icang [17]2 years ago

3 0

Plants and animals are multi-cellular organisms composed of eukaryotic cells, while bacteria are single-cell prokaryotic organisms. Each eukaryotic cell of a plant or animal includes a central nucleus containing DNA and membrane-bound organelles, such as endoplasmic reticulum and mitochondria. A bacterial cell has no nucleus or membrane-bound organelles.

hope it helps! :)

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What is the molar mass of a gas which occupies 48.7 L at 111oC under 698 torr of pressure and has a mass of 21.5 grams?

seropon [69]

Answer:

Molar mass of the gas = 15.15 g/mol

Explanation:

PV = nRT

Where,

P = pressure

n = No. of moles

R = Gas constant

T = Temperature

P = 698 torr, 1 torr = 0.00131579 atm

$698\;torr = 698\times0.00131579 = 0.9184\;atm$

Temperature = 111 °C = 100 + 273.15 = 384.15 K

V = 48.7 L

R = 0.082057 L atm/mol K

Now, PV = nRT

$n = \frac{PV}{RT}$

$n = \frac{0.9184\times48.7}{0.082057\times384.15}$

=1.4189 mol

Molar mass = Mass/ No. of moles

= 21.5/1.4189

=15.15 g/mol

8 0

2 years ago

What is the name of the visible surface of the Sun? (And surface doesn’t imply solid, as this surface’s density is 6000 times lo

Fiesta28 [93]

Answer:

The correct option is: a. Photosphere

Explanation:

Sun is the brightest star in the sky of our planet Earth and the principle component of the Solar System. It is a gaseous object that is made up of hot plasma and contributes 99.86% to the total mass of our Solar System.

The Sun does not have a clearly defined surface. The visible surface of the Sun is known as the Photosphere, which is the deepest visible portion of the Sun.

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2 years ago

a gas has a volume of 2.00 at 323k and 3.00 ATM What would be the new volume if the temperature is changed to 273 K in the press

Ber [7]

Answer:

$V_2 = 5.07L$

Explanation:

$\frac{P_1 V_1}{T_1} = \frac{P_2 V_2}{T_2}\\V_2 = \frac{P_1 V_1 T_2}{T_1 P_2} = \frac{3.00atm \cdot 2.00L \cdot 273K}{323K \cdot 1.00atm} = 5.07L$

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1 year ago

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-Dominant- [34]

An ionic crystal consists of ions bound together by electrostatic attraction. The arrangement of ions in a regular, geometric structure is called a crystal lattice. Examples of such crystals are the alkali halides, which include: potassium fluoride

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2 years ago

The difference between isotopes for the same element will be found in the atoms'

Simora [160]

C number of neutrons

6 0

2 years ago