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3 years ago

Why is it important to know the major muscle groups in your body? Be specific and detailed as possible with your answer.

2 answers:

7 0

Knowing the major muscle groups is important for as stated above and health reasons like knowing whether or not you might have strained a muscle or tore one

MrRissso [65]3 years ago

4 0

Answer:

Knowing the major muscle groups and the weight lifting exercises that work each of these basic muscle groups is very important to improving your body. ... This is a great way to keep your body strong, powerful, mobile, flexible, and healthy.

Explanation:

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The forensic technician at a crime scene has just prepared a luminol stock solution by adding 18.0 g of luminol into a total vol

Paladinen [302]

Answer:

1.36M

Explanation:

Luminol is a compound having the molecular formula as C8H7N3O2.

To know the molarity of the stock solution of Luminol, we shall carry out the following:

Step 1:

we shall calculate the number of mole in 18g of luminol. This is shown below:

Molar mass of C8H7N3O2 = (12x8) + (7x1 ) + (14x3) + (16x2)

= 96 + 7 + 42 + 32

= 177g/mol

Mass of C8H7N3O2 = 18g

Number of mole of C8H7N3O2 =..?

Mole = Mass /Molar Mass

Number of mole of C8H7N3O2 = 18/177 = 0.102 mole.

Step 2:

Conversion of 75.0 mL of H2O to Litre (L).

1000mL = 1L

Therefore, 75mL = 75/1000 = 0.075L

Step 3:

Determination of the molarity of the stock solution of Luminol.

Molarity is simply defined as the mole of solute per unit litre of water. Mathematically, it is represented as:

Molarity = mole /Volume

With the above formula, we can obtain the molarity of the stock solution of Luminol as follow:

Mole of C8H7N3O2 = 0.102 mole

Volume of water = 0.075L

Molarity =..?

Molarity = mole /Volume

Molarity = 0.102/0.075

Molarity = 1.36M

Therefore, the molarity of the stock solution of Luminol is 1.36M.

3 0

3 years ago

Which of the following explanations accounts for the fact that the ion-solvent interaction is greater for Li than for K

OLEGan [10]

Li+ has a smaller ionic radius than K+

and smaller molecules have more collisions/interactions between each other

<h3>What is ion-solvent interaction ?</h3>

In the case of ion-solvent interactions, the state in which the interac-tions exist is an obvious one; it is the situation in which ions are inside the solvent.

Ions are charged particles, and charges interact with other charges. So there will also be ion-ion, as well as ion-solvent, interactions in the solution.

In the process of solvation, ions are surrounded by a concentric shell of solvent. Solvation is the process of reorganizing solvent and solute molecules into solvation complexes.

Learn more about Ion-solvent interaction here:

brainly.com/question/21307101

#SPJ4

6 0

2 years ago

Mercury may have lost part of its mantle and crust to a _______ leaving it with a large, metal _______.

igomit [66]

<h2>Giant impact and metalcore.</h2>

Explanation :

Mercury has a large core of liquid metal.
The metal core is of iron metal.
The core is surrounded by a mantle which is made up of silica and a solid outer crust.
In the case of Mercury, the total core percentage is 42% of the planet while the Earth's core is only 17% of the planet.
Mercury has lost part of its mantle and crust that left the mercury with a large metal core.

3 0

3 years ago

Please help I will give brainliest!

Fiesta28 [93]

Answer:

b, H2O(s) r H2O(g)

Explanation:

entropy is heat, so increase in heat would mean water gets evaporated or melted, or both in this case. so the only choice above that showed increase in heat is from solid(ice) to gas(water vaper) due to increase in heat in the reaction.

7 0

3 years ago

What is the definition of a homogeneous mixture?

sammy [17]

Answer:

A homogenous mixture is a mixture that is uniform in composition. This means that you cannot apart the individual elements that make up the mixture.

Explanation:

5 0

3 years ago

Why is it important to know the major muscle groups in your body? Be specific and detailed as possible with your answer. ​

Why is it important to know the major muscle groups in your body? Be specific and detailed as possible with your answer.