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3 years ago

What is considered the human body's largest organ?

Chemistry

2 answers:

aliina [53]3 years ago

8 0

The skin, the skin run throughout the whole body

Sonbull [250]3 years ago

5 0

Answer:

The skin

Explanation:

The skin is the largest organ of the body. The skin and its derivatives (hair, nails, sweat and oil glands) make up the integumentary system. One of the main functions of the skin is protection. It protects the body from external factors such as bacteria, chemicals, and temperature.

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CH4 + 202 → CO2 + 2H2O<br> How many moles O2 needed to produce 4 moles of H2O?

shepuryov [24]

<h3>Answer:</h3>

4 mol O₂

<h3>General Formulas and Concepts:</h3>

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

<u>Chemistry</u>

<u>Atomic Structure</u>

Reading a Periodic Table

<u>Stoichiometry</u>

Using Dimensional Analysis

<h3>Explanation:</h3>

<u>Step 1: Define</u>

[RxN - Balanced] CH₄ + 2O₂ → CO₂ + 2H₂O

[Given] 4 mol H₂O

[Solve] x mol O₂

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

[RxN] 2 mol H₂O → 2 mol O₂

<u>Step 3: Stoichiometry</u>

Set up conversion: $\displaystyle 4 \ mol \ H_2O(\frac{2 \ mol \ O_2}{2 \ mol \ H_2O})$
Multiply/Divide: $\displaystyle 4 \ mol \ O_2$

7 0

3 years ago

Read 2 more answers

PH Range of 7.1-14<br> Is that acid or a base?

Taya2010 [7]

Answer:

pH is a measure of how acidic/basic water is. The range goes from 0 - 14, with 7 being neutral. pHs of less than 7 indicate acidity, whereas a pH of greater than 7 indicates a base.

Explanation:

3 0

3 years ago

It is necessary to develop alternative sources of energy because____.

Bas_tet [7]

Answer:

scientists are uncertain of how long the resources will last.

Explanation:

It is hard to estimate how long certain natural resources will last because they are dependent upon the rate of consumption and other factors. There are many fields of studies going into alternative energy. Since the technology needed for some of these ideas will take time to be developed, alternative sources of energy must be found before the resources we already have run out.

8 0

3 years ago

Read 2 more answers

For the following reaction, 9.60 grams of butane (C4H10) are allowed to react with 17.0 grams of oxygen gas. butane (C4H10) (g)

dangina [55]

Answer:

14.4 g of $CO_{2}$ can be produced.

Explanation:

Balanced equation: $2C_{4}H_{10}+13O_{2}\rightarrow 8CO_{2}+10H_{2}O$

Molar mass (g/mol)

$C_{4}H_{10}$ 58.12

$O_{2}$ 32

$CO_{2}$ 44.01

So, 9.60 g of $C_{4}H_{10}$ = $\frac{9.60}{58.12}mol=0.165mol$

17.0 g of $O_{2}$ = $\frac{17.0}{32}mol=0.531mol$

According to balanced equation-

2 moles of $C_{4}H_{10}$ produce 8 moles of $CO_{2}$

So, 0.165 moles of $C_{4}H_{10}$ produce $(\frac{8}{2}\times 0.165)mol$ of $CO_{2}$ or 0.660 moles of $CO_{2}$

13 moles of $O_{2}$ produce 8 moles of $CO_{2}$

So, 0.531 moles of $O_{2}$ produce $(\frac{8}{13}\times 0.531)moles$ of $CO_{2}$ or 0.327 moles of $CO_{2}$

As least number of moles of $CO_{2}$ are produced from $O_{2}$ therefore $O_{2}$ is the limiting reagent.

So, maximum amount of $CO_{2}$ that can be formed = 0.327 moles

= $(0.327\times 44.01)g$

= 14.4 g

3 0

3 years ago

list examples of foliated and nonfoliated rocks explain the difference between the two metamorphic rocks

weqwewe [10]

Explanation:

Foliated metamorphic rocks such as gneiss, phyllite, schist and slate have a layered or banded appearance that is produced by exposure to heat. Non Foliated rocks such as hornfels, marble and quartzite does not have a layered or banded appearance

5 0

4 years ago