Which is the function of the organ shown below

Answer:

A

Explanation:

A conversion factor is a fraction whose numerator and denominator are the same quantity expressed in different units.

The given statement that a conversion factor is a fraction in which the numerator is equal to denominator is true.    

Conversion factor is an expression which is used for obtaining relationship between units of a measurable quantity without any need of changing the value.It is also known as unit factor and is always equal to one.

Here the numerator represents part out of the whole portion .While the denominator represents the total number of parts.The method is based on the fact that any number or an expression can be multiplied by one without changing it's value.

As the multiplication by one does not change the value of measurement and so there is no change in the measurement units.It is a formula used for converting a measurement in one set of units to same measurement in another set of units.

It is usually given as a numerical ratio  or fraction which can be used as a multiplication factor. Some examples of measurements which require conversions are: length,area and volume.

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Answer: C not really sure thoo

Answer:

Disability insurance is financial protection for your most valuable asset — the ability to work and earn an income. So why is it so commonly overlooked and misunderstood?

Homeowners insurance protects where you live. Car insurance protects what you drive. Health insurance protects your well-being.

But what protects your ability to work and earn an income? After all, that's what allows you to pay for all of the above.

To protect yourself against the risk of losing your paycheck due to injury or illness, there's disability insurance. In this article, we cover everything you need to know about this important, yet often overlooked type of insurance for your income.

Disability insurance definition

Disability insurance is a type of coverage that replaces a portion of your monthly income if injury or illness prevents you from working. It provides financial security for you and any loved ones who may depend on your most valuable asset — your ability to earn a paycheck. You may also hear disability insurance referred to as disability income insurance or income protection.

Explanation:

Answer:

4.02g of Na2CO3⸱2H2O must be added completing the volume of the solution to 100mL

Explanation:

A 3%(w/v) solution contains 3g of solute (In this case, Na2CO3) in 100mL of solution.

Assuming we require 100mL of solution we must add 3g of Na2CO3. The reactant that is available is its dihydrate, with molar mass:

106g/mol + 2*MW H2O

106g/mol + 2*18g/mol = 142g/mol

That means the mass of Na2CO3.2H2O that must be added to prepare the solution is:

3g Na2CO3 * (142g/mol Na2CO3.2H2O / 106g/mol Na2CO3) =

Answer:A

Explanation:

Answer:

dipole forces Y

induced dipole forces N

hydrogen bonding N

Explanation:

Oxygen is highly electronegative than sulphur, hence SO3 is polar

Answer: The final volume will be 2.89 L.

Explanation:

Given: [tex]T_{1} = 73^{o}C = (73 + 273) K = 346 K[/tex],         [tex]V_{1} = 5L[/tex],          [tex]T_{1} = 400 K[/tex]

[tex]P_{1}[/tex] = 101.3 kPa

Convert kPa to atm as follows.

[tex]1 kPa = 0.00986923\\101.3 kPa = 101.3 kPa \times \frac{0.00986923 atm}{1 kPa}\\= 0.99 atm\\= 1 atm[/tex]

[tex]P_{2}[/tex] = 1520 torr

Convert torr into atm as follows.

[tex]1 torr = 0.00131579 atm\\1520 torr = 1520 torr \times \frac{0.00131579 atm}{1 torr}\\= 2 atm[/tex]

Formula used to calculate final temperature is as follows.

[tex]\frac{P_{1}V_{1}}{T_{1}} = \frac{P_{2}V_{2}}{T_{2}}[/tex]

Substitute the values into above formula as follows.

[tex]\frac{P_{1}V_{1}}{T_{1}} = \frac{P_{2}V_{2}}{T_{2}}\\\frac{1 atm \times 5 L}{346 K} = \frac{2 atm \times V_{2}}{400 K}\\V_{2} = 2.89 L[/tex]

Thus, we can conclude that the final volume will be 2.89 L.

Answer: Pick up litter and throw it away in a garbage can.

Blow or sweep fertilizer back onto the grass if it gets onto paved areas. ...

Mulch or compost grass or yard waste. ...

Wash your car or outdoor equipment where it can flow to a gravel or grassed area instead of a street.

Don't pour your motor oil down the storm drain.

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Answer:

hydrogen, nitrogen, oxygen, flourine, chlorine, iodine, bromine

Explanation:

they are very reactive and thus cannot exist as monoatomic elements

The seven diatomic elements are;

According to the question;

The diatomic elements as listed above are different from the rest of the elements in that they exist as molecules.

This is as a result of the high electron affinity of these elements. Consequently, they form molecules with atoms of themselves.

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Sorry but I don't know

Explanation:

I just want points sorry

Answer:

Trees could go extinct and people could die.

Explanation:

Answer:

63.7 °C

Explanation:

Step 1: Given and required data

Step 2: Calculate the final temperature of the water (T₂)

We will use the following expression.

Q = c × m × (T₂ - T₁)

T₂ = Q/c × m + T₁

T₂ = 3.85 × 10³ cal/(1 cal/g.°C) × 75.4 g + 12.6 °C = 63.7 °C

Answer:

Lattice energy is the energy required to convert a mole of ionic solid into its constituent ions in the gas phase

Explanation:

Lattice energy is usually calculated by the Born-Haber cycle, from the affinity energies and sublimation ethalphy values. It is used as an estimation of the ionic energy strength between the ions in an ionic compound.

It is defined as the energy needed to broke 1 mol of a given ionic compound into its ions in the gaseous state. For example, the lattice energy for sodium chloride (NaCl) is the energy required to separate 1 mol of solid ionic compound (NaCl(s)) and produce the sodium and chlorine ions in the gas phase: Na⁺(g) and Cl⁻(g).

Answer:

pH = 3.3

Explanation:

Step 1: Given data

Concentration of hydronium ions in the agricultural product ([H₃O⁺]): 4.7 × 10⁻⁴ M

Step 2: Calculate the pH of the agricultural product

We will use the definition of pH.

pH = -log [H₃O⁺]

pH = -log 4.7 × 10⁻⁴

pH = 3.3

Since the pH < 7, the agricultural product is acidic.

Answer:

Explanation:

A specific property is the intensive property obtained by dividing an extensive property of a system by its mass. For example, heat capacity is an extensive property of a system. Dividing heat capacity, , which is an intensive property.

hope it helps :)

Explanation:

Is specific heat an intensive or extensive property?

Answer:

780.354g

Explanation:

22.99(3)+30.97+16(4)

=163.94g/mol

163.94*4.76=780.354g...

Answer:

Protection : Surface corrosion forms an oxide layer which further protects the inner metal form corrosion

.

Corrosion prevents corrosion : Some metals like zinc are used as sacrificial anodes to prevent corrosion to other metal.

Galvanic corrosion : The principle on which primary batteries work.

Answer:

I'm thinking ethier D or A

Explanation:

Answer:

B: She will do what she is told, especially when facing conflict

Explanation:

I know it cause I'm doing it rn and I got it right

Answer:

Preparation of Salts by The Action of An Acid Upon a Metal.

Preparation of Salts by Double Decomposition.

Preparation of Salts by Neutralization.

Using A Soluble Base (alkali)

(b). Using An Insoluble Base.

Preparation of Salts by the Action of An Acid on The Trioxocarbonate (IV) of A Metal.

Explanation:

Answer:

C.

Explanation:

An ionic bond is a type of chemical bond formed through an electrostatic attraction between two oppositely charged ions. Ionic bonds are formed between a cation, which is usually a metal, and an anion, which is usually a nonmetal. A covalent bond involves a pair of electrons being shared between atoms.

Answer:

probably b

Explanation:

Answer:

180-115-31=34

Answer: (1). There are  0.0165 moles of gaseous arsine (AsH3) occupy 0.372 L at STP.

(2). The density of gaseous arsine is 3.45 g/L.

Explanation:

1). At STP the pressure is 1 atm and temperature is 273.15 K. So, using the ideal gas equation number of moles are calculated as follows.

PV = nRT

where,

P = pressure

V = volume

n = number of moles

R = gas constant = 0.0821 L atm/mol K

T = temperature

Substitute the values into above formula as follows.

[tex]PV = nRT\\1 atm \times 0.372 L = n \times 0.0821 L atm/mol K \times 273.15 K\\n = 0.0165 mol[/tex]

2). As number of moles are also equal to mass of a substance divided by its molar mass.

So, number of moles of Arsine [tex](AsH_{3})[/tex] (molar mass = 77.95 g/mol) is as follows.

[tex]No. of moles = \frac{mass}{molar mass}\\0.0165 mol = \frac{mass}{77.95 g/mol}\\mass = 1.286 g[/tex]

Density is the mass of substance divided by its volume. Hence, density of arsine is calculated as follows.

[tex]Density = \frac{mass}{volume}\\= \frac{1.286 g}{0.372 L}\\= 3.45 g/L[/tex]

Thus, we can conclude that 0.0165 moles of gaseous arsine (AsH3) occupy 0.372 L at STP and the density of gaseous arsine is 3.45 g/L.

Answer:

the answer is D  

:)

:D

Explanation:

Answer:Al2s3

Explanation:

Just took quiz

the answer will there for be ironic