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zhannawk [14.2K]

2 years ago

6

What body system does the Arterial wall and the Fatty deposit belong to

2 answers:

kupik [55]2 years ago

5 0

The body system that arterial wall belong to is blood vessels, i would say. And Fatty deposit belong to connective tissue i would say. Please, i tried my best to answer. if you dont understand please search more about it. :)

Harlamova29_29 [7]2 years ago

3 0

Answer:

The wall of the arteries belongs to the circulatory system. The fat deposit belongs to the adipose connective tissue.

Explanation:

The arterial system is the high pressure portion of the circulatory system. Blood pressure ranges from the maximum pressure during cardiac contraction, called systolic pressure, to the minimum pressure, or diastolic pressure, between contractions when the heart rests between cycles. This variation in pressure in the arteries produces a pulse that is observable in any artery, and is an indicator of cardiac activity. The wall of the arteries is thick, formed of elastic muscle tissue.

Adipose tissue is a type of connective tissue with special properties. It has many adipocytes, specialized cells, which have the main function of energy reserve, through a fat deposit, for the body, among others. Fat is deposited in fat cells also called adipocytes.

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What is the molarity of a solution composed of 5.85 g of potassium iodide, KI, dissolved

Troyanec [42]

Answer:

0.282 M

General Formulas and Concepts:

<u>Chemistry - Solutions</u>

Reading a Periodic Table
Using Dimensional Analysis
Molarity = moles of solute / liters of solution

Explanation:

<u>Step 1: Define</u>

5.85 g KI

0.125 L

<u>Step 2: Identify Conversions</u>

Molar Mass of K - 39.10 g/mol

Molar Mass of I - 126.90 g/mol

Molar Mass of KI - 39.10 + 126.90 = 166 g/mol

<u>Step 3: Convert</u>

<u /> $5.85 \ g \ KI(\frac{1 \ mol \ KI}{166 \ g \ KI} )$ = 0.035241 mol KI

<u>Step 4: Find Molarity</u>

M = 0.035241 mol KI / 0.125 L

M = 0.281928

<u>Step 5: Check</u>

<em>We are given 3 sig figs. Follow sig fig rules and round.</em>

0.281928 M ≈ 0.282 M

7 0

2 years ago

Which of these solutions are basic at 25 Â°C? Solution A: [OHâˆ’]=3.13Ã—10âˆ’7 M Solution C: [H3O+]=0.000747 M Solution B: [H3O+

solong [7]

Answer:

Are basic:

[OH⁻] = 3.13x10⁻⁷M and [H₃O⁺] = 9.55x10⁻⁹M

Explanation:

A solution is basic when pH = - log [H₃O⁺] is higher than 7.

It is possible to convert [OH⁻] to [H₃O⁺] using:

[H₃O⁺] = 1x10⁻¹⁴ / [OH⁻]

a. [OH⁻] = 3.13x10⁻⁷M

[H₃O⁺] = 1x10⁻¹⁴ / [3.13x10⁻⁷M]

[H₃O⁺] = 3.19x10⁻⁸M

pH = - log [H₃O⁺] = 7.50

[OH⁻] = 3.13x10⁻⁷M is basic

b. pH = -log [H₃O⁺] = - log 0.000747M = 3.13.

This solution is not basic

c. [H₃O⁺] = 9.55x10⁻⁹M

pH = 8.02

This solution is also basic.

8 0

2 years ago

Finish the following word equation.<br><br> calcium + nitric acid →

Dafna1 [17]

HNO3 + Ca —-> H2O + N20 + Ca(NO3)2

4 0

2 years ago

What is a fusion reaction

Liula [17]

When two atoms of Hydrogen combine together, or fuse, they make an atom of Helium.

4 0

3 years ago

Binary compound of oxygen and an unknown element,X, has the formula XO2 and is 69.55 mass % oxygen, what is the weight of elemen

marissa [1.9K]

Answer:

Weight of element X = 14.01 gram

Explanation:

Mass percentage is calculated by using :

$Percent =\frac{Mass\ of\ element}{Total\ mass}\times 100$

$O\ Percent=\frac{Mass\ of\ O}{Total\ mass\ of\ XO2}\times 100$

Mass of O = 16.0 gram

let mass of X = X grams = ?

Mass of XO2 = mass of X + 2(mass of O)

Mass of XO2 = X + 2(16)

Mass of XO2 = X + 32

Total mass of O in the compound = 2(16) = 32 grams

Percent O = 69.55 %

$Percent\ O =\frac{Mass\ of\ O}{Total\ mass\ of\ XO2}\times 100$

$69.55=\frac{32}{X+32}\times 100$

$\frac{69.55}{100}=\frac{32}{X+32}$

$0.6955=\frac{32}{X+32}$

$0.6955\times (X+32)=32$

$0.6955X+ 22.256=32$

$0.6955X=9.744$

$X=\frac{9.744}{0.6955}$

$X =14.01$

weight of element X = 14.01 gram

14.01 is mass of nitrogen N

The correct formula of this element is NO2

6 0

2 years ago