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Lerok [7]
3 years ago
5

Which Example is a way that intercellular communication occurs

Chemistry
1 answer:
Blababa [14]3 years ago
5 0

Answer:

B) A signal is sent from a nerve cell to a muscle cell.

Explanation:

The signal, an impulse called an action potential, travels through a type of nerve cell called a motor neuron. The neuromuscular junction is the name of the place where the motor neuron reaches a muscle cell. Skeletal muscle tissue is composed of cells called muscle fibers.

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The structure of a water molecule (H20) can be written as H-O-H, with each dash representing a chemical bond.
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Answer:

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Answer the question below pls
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a sample of an unknown gas has a mass of 0.582g. it's volume is 21.3 mL a a temp of 100 degrees Celsius and a pressure of 754 mm
Zielflug [23.3K]

Answer:

Molar mass = 0.09 × 10⁴ g/mol

Explanation:

Given data:

Mass = 0.582 g

Volume = 21.3 mL

Temperature = 100°C

Pressure = 754 mmHg

Molar mass = ?

Solution:

(21.3 /1000 = 0.0213 L)

(100+273= 373 K)

(754/760 = 0.99 atm)

PV = nRT

n = PV/RT

n = 0.99 atm × 0.0213 L / 0.0821 atm. L. mol⁻¹. k⁻¹ × 373 K

n =0.02 mol/ 30.6

n = 6.5 × 10⁻⁴ mol

Molar mass = Mass/ number of moles

Molar mass = 0.582 g / 6.5 × 10⁻⁴ mol

Molar mass = 0.09 × 10⁴ g/mol

6 0
3 years ago
How are ants and spiders similar?
KengaRu [80]

Answer:

There are similarities between insects and spiders. Both have jointed legs and hard external skeletons, called exoskeletons. ... Although most ants do not have wings, most insects do. Spiders, however, never have wings.

Explanation:

Hope this is helpful :)

6 0
3 years ago
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