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Mashutka [201]
3 years ago
7

Jeff wants to record the diameter of a long, thin wire using an instrument. Which of the following instruments should be use? A

Altimeter B Microscope c Measuring scale D.Micrometer​
Chemistry
1 answer:
lapo4ka [179]3 years ago
4 0

Answer:

D

Explanation:

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What similarities and difference exist between electrons and neutrons? Consider charge, size, location and number.
Alborosie

<u>Charge:</u>

An electron has a negative charge and a <em>n</em>eutron has a <em>n</em>eutral charge.


<u>Size:</u>

Electrons have a really small mass whereas the neutron has a mass of about 1 amu.


<u>Location:</u>

Neutrons are found in center of an atom, but electrons are around it.


<u>Number:</u>

The number of electrons and neutrons in atom varies.

7 0
3 years ago
How many atoms are in 5 mole of water?<br> Steps
Vladimir79 [104]

Answer: 3.01 x 10^24 atoms

Explanation:

Based on Avogadro's law:

1 mole of any substance has 6.02 x 10^23 atoms

So, 1 mole of water = 6.02 x 10^23 atoms

5 moles of water = Z atoms

To get the value of Z, cross multiply

Z x 1 mole = (6.02 x 10^23 atoms x 5 moles)

Z•mole = 30.1 x 10^23 atoms•mole

Divide both sides by 1 mole

Z•mole/1 mole = 30.1 x 10^23 atoms•mole/ 1 mole

Z = 30.1 x 10^23 atoms

[Place the value of Z in standard form]

Z = 3.01 x 10^24 atoms

Thus, there are 3.01 x 10^24 atoms in 5 mole of water

3 0
3 years ago
Which type of bond makes it possible for a macromolecule to interact with great specificity with just one out of the many thousa
Andrei [34K]

Answer:Non-covalent bonds

Explanation:

The Non-covalent bonds are bonds such as van der Waals forces of attraction, the Hydrogen bonds, hydrophobic bonds and so on. The Non-covalent bonds are very important types of bonding in large biological molecules.

Just like the question says, the Non-covalent bonds, ''makes it possible for a macromolecule to interact with great specificity with just one out of the many thousands of different molecules present inside a cell".

Ionic bonding is also a Non-covalent bonding. They(Non-covalent bonds) helps in the stability of large macromolecules.

7 0
3 years ago
. Ashley is identifying insects and finds a camo moth. A camo moth appears like a leaf and is able to easily blend in with its s
In-s [12.5K]
I think the answer is C
5 0
3 years ago
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A 4,000 mL solution of AgNO3 contains 17.00 g of solute in water. Calculate the molar concentration of the solution.
blsea [12.9K]
The molarity is moles/liters.

First, convert 4,000 mL to L:

4000 mL --> 4 L

Now, you must convert the 17 g of solute to moles by dividing the number of grams by the molar mass. The molar mass of AgNO3 is <span>169.87 g/mol:

17 / 169.87 = .1

Now that you have both the number of moles and the liters, plug them into the initial equation of moles/liters:

.1/4 = .025</span>
3 0
3 years ago
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