3 years ago

What kinds of tissues are involved when this girl uses the head tickler?

Chemistry

1 answer:

DiKsa [7]3 years ago

8 0

The answer would Be Echlymedia

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_____ are chemical substances that bind with a receptor and activate the receptor, much like a neurotransmitter does.

Viefleur [7K]

Answer:

Ligands

Explanation:

Ligands are small molecules that transmit signals in between or within cells. Ligands exert their effects by binding to cellular proteins called receptors.

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3 years ago

Which best describes a compound such as sodium

tresset_1 [31]

a pure substance that can be separated into different elements by chemical means

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3 years ago

Which compound forms from 2 parts of hydrogen and 1 part of oxygen?

lina2011 [118]

Water, H2O, HOH these are all the same compound just worded differently

6 0

3 years ago

1 point

lawyer [7]

Answer:

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3 years ago

Plz answer thx How many moles are in 2.5 x 10^18 grams of water?

alex41 [277]

Answer:

$1.39\times 10^{17}$ moles of water in $2.5\times 10^{18} g$ of water.

Explanation:

Mass of water = $m = 2.5\times 10^{18} g$

Molar mass of water = M = 18 g/mol

Moles = n = $\frac{m}{M}$

$n=\frac{2.5\times 10^{18} g}{18 g/mol}=1.39\times 10^{17} moles$

So, there are $1.39\times 10^{17}$ moles of water in $2.5\times 10^{18} g$ of water.

3 0

3 years ago