Which of these is an example of a prosthesis?
A. A hearing aid
B. A textbook
C. Gloves
D. A pair of boots

Answers

Answer 1

Answer:

hearing aid

Explanation:

an artificial body part

Answer 2

A hearing aid is an example of a prosthesis. Therefore, option A is correct.

A prosthesis is an artificial device or replacement for a missing body part or function. In the case of a hearing aid, it is a device designed to assist people with hearing loss by amplifying sound. It acts as a substitute for the natural function of the ear.

A textbook is a written educational resource, gloves are protective coverings for the hands, and a pair of boots is footwear. These items do not serve as artificial replacements for missing body parts or functions.

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Related Questions

A gas at constant volume has a pressure of 2.80 atm at 400. K. What will be the pressure of the gas at 360. K? (4 points)
2.52 atm
2.94 atm
3.11 atm
3.78 atm

Answers

Option first 2.52 atm

Answer:

Solution given:

pressure 1[P1]=2.8atm

pressure 2[P2]=?

temperature [T1]=400k

temperature [T2]=360k

now

By using gas equation

P1V1/T1=P2V2/T2

since

volume is constant

P1/T1=P2/T2

2.8/400=P2/360

P2=2.8*360/400

P2= 2.52

Answer:

It's 2.52

Explanation:

This requires Gay-Lussac's Law, in which the relationship is P1 / T1 = P2 / T2. "P" stands for Pressure and "T" is Temperature. The first pressure is 2.80, the first temperature is 400 Kelvin, the second pressure is unknown (that's what your solving for), and your second temperature is 360 Kelvin. Because you don't have the second pressure, your equation will look like 2.80 atm x 360 K / 400. This will tell you that the pressure of the gas at 360 K will be 2.52.

I also took the test and it was correct.

Discuss the phenomena of sunrise and sunset seen on Earth and describe how they will be different from the perspective of outer space.

Answers

Answer:

its very dark and scary

Explanation:

Which of the following statements about atoms are true?

Atoms are always joined directly to other atoms.

Atoms may be joined together in well-defined molecules.

Atoms may be arranged in repeating crystal patterns.

All ordinary substances are made of atoms.

All known substances are made of molecules.​

Answers

Answer:

Number 6 is correct all substances are made of molecules.

Explanation:

A molecule is a formation of atoms or a chemical and all substances are made of chemicals.

The given statement all known substances are made of molecules is correct. Therefore, option (d) is correct.

What is the compound made of?

All known compounds in chemistry are made up of different kinds of molecules. A compound contains atoms or ions of two or more elements in fixed proportions joined with each other by bonds into a molecule. Molecules are formed when atoms are joined through chemical bonds.

Any molecule that contains atoms of two or more different elements is known as a compound. All the compounds are written into formulas that present the chemical elements from the periodic table combined.

When the atoms of a particular element combine, some individual property of that chemical element is lost. The newly formed compound shows some new properties.

All the compounds or known substances have a chemical formula. These compounds can be divided into two kinds, molecular compounds, and salts.

Some examples of substances made of molecules such as water have molecules of H₂O, hydrogen peroxide H₂O₂, etc.

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Plz help it’s due very soon

Answers

Answer:

192g

Explanation:

so for this find out there moles of CH4 by moles=mass/mr

48/16=3 then use molar ratio 1:2 so times it by 2 which is 6 moles. then uses mass =moles*mr so 6*32=192g is the answer hope this helps to understand.

Answer:

64

Explanation:

why is it impostant during a science project to record measure

Answers

Answer:

it is important to be both accurate and precise. Accuracy represents how close a measurement comes to its true value. This is important because bad equipment, poor data processing or human error can lead to inaccurate results that are not very close to the truth.

Explanation:

hope this helps:)

Read the following graduated cylinder.
How many ML?

Answers

Answer:

12.8 mL

Explanation:

the bolded bar indicates a count of 5. counting from there would add up to 8/10ths of a mL.


Which statement explains why catalysts are important for living
organisms? *
Catalysts increase the amount of product formed from limited reactants.
Catalysts cause gases to be produced at a slower rate, so cells don't burst.
Catalysts are used up during chemical reactions, so organisms must constantly make
new ones.
Catalysts allow chemical reactions to occur at temperatures at which the organism
lives.

Answers

Answer:

Catalysts allow chemical reactions to occur at temperatures at which the organism lives.

Explanation:

Catalysts are molecules that speeden the rate of chemical reaction by lowering the activation energy of the reaction. In a living system, the catalyst are ENZYMES, which help to hasten up many biochemical reactions.

Another function of catalyst in living systems is that it allows chemical reactions to occur at temperatures at which the organism lives.

A sample of a compound contains 41.33 g of carbon and 8.67 g of hydrogen. The molar mass of the
compound is 87.18 g/mol. What is the molecular formula for the compound?
Show your steps.

Answers

Answer:

C6H15

Explanation:

First, we calculate the empirical formula as follows:

C = 41.33 g

H = 8.67 g

We convert each mass value to mole by dividing each element by its molar mass (C = 12g/mol, H = 1g/mol)

C = 41.33g ÷ 12g/mol = 3.44mol

H = 8.67g ÷ 1g/mol = 8.67mol

Next, we divide each mole value by the smallest (3.44mol)

C = 3.44mol ÷ 3.44mol = 1

H = 8.67mol ÷ 3.44mol = 2.52

We multiply this ratio by 2 to get a simple whole number ratio

C = 1 × 2 = 2

H = 2.52 × 2 = 5.04

Based on this, the whole number ratio of C and H is 2:5, hence, the empirical formula is C2H5.

The molecular mass of the compound is given as 87.18 g/mol, hence, the molecular formula is calculated as follows:

(C2H5)n = 87.18

[12(2) + 1(5)]n = 87.18

[24 + 5]n = 87.18

(29)n = 87.18

n = 87.18 ÷ 29

n = 3.006

Approximately to whole number, n = 3

Hence, the molecular formula of the compound is [C2H5]3

= C6H15

write a chemical equation for action of HBr on ethanol​

Answers

answer:

hope this one helps have a great day !

give three different between temporary and permanent change​

Answers

Answer:

temporary is only for specific amount of time and permanent is suppost to mean forever

Explanation:

all i can say is not much can be permanent

How can you tell if an element has been reduced? A. The number of its electrons has not changed in the reaction, B. It has a positive oxidation state in the product, C. It has more electrons in the product than in the reactant, D. It has fewer electrons in the product than in the reactant.​

Answers

Answer:

C. It has more electrons in the product than in the reactant

Explanation:

A type of reaction is called REDOX or oxidation-reduction reaction. In this reaction, substances (element or compounds) involved are either oxidized or reduced. To be oxidized means that a substance has lost electrons and hence, have a positive oxidation state in the product side.

On the other hand, reduction means that the substance has gained or accepted electrons, and hence has a reduced oxidation state in the product side. In other words, a reduced element will have more electrons in the product than in the reactant.

For example, in the following equation:

A + B = A- + B+

A is said to be reduced because it has more electrons (1) in the product than in the reactant (0).

Carbon atoms balance in citric acid cycle per the complete oxidation of one glucose molecule is equivalent to

Answers

Answer:

two two acetyl carbon atoms and carbon dioxide

Explanation:

In one cycle of Citric Acid Cycle (CAC), two two acetyl carbon atoms are released and all six arbon atoms from the glucose are incorporated into carbon dioxide thereby producing three NADH molecules and one FADH2 molecule.

WHAT IS THE STOCK NAME FOR FeSO^3

Answers

Feso3 compound name

Iron(II) Sulfite FeSO3 Molecular Weight

Hope this helps!

Have a great day :)

three functions of the stem​

Answers

The three functions of the stem:

To support the leaves,To conduct water, and To conduct minerals to the leaves.
1.Stems support the plant body

2. Stems transport materials between the root system, the leaves and the reproductive structures

3.Stems hold up reproductive structures, like flowers, which helps pollinators, such as bees, find the flowers.

How many silicons atoms are there in 0.0356 moles of silicon

Answers

Answer:

2.14 × 10²² atoms Si

General Formulas and Concepts:

Atomic Structure

Reading a Periodic TableMoles

Stoichiometry

Using Dimensional Analysis

Explanation:

Step 1: Define

Identify

[Given] 0.0356 mol Si

[Solve] atoms Si

Step 2: Identify Conversions

Avogadro's Number - 6.022 × 10²³ atoms, molecules, formula units, etc.

Step 3: Convert

[DA] Set up:                                                                                                       [tex]\dipslaystyle 0.0356 \ mol \ Si(\frac{6.022 \cdot 10^{23} \ atoms \ Si}{1 \ mol \ Si})[/tex][DA] Multiply [Cancel out units]:                                                                        [tex]\dipslaystyle 2.14383 \cdot 10^{22} \ atoms \ Si[/tex]

Step 4: Check

Follow sig fig rules and round. We are given 3 sig figs.

2.14383 × 10²² atoms Si ≈ 2.14 × 10²² atoms Si

3
.
The volume occupied by one mole of an ideal gas at 273K and 1.01x10% Pa is 22.4 dm'mol".
What volume of hydrogen, in dm", is produced when excess magnesium ribbon reacts with 100 cm?
of 2.00 mol dm hydrochloric acid?
Mg(s) + 2HCl(aq) → MgCl, (aq) + H2(g)
A.
0.100
B.
2.24
C.
4.48
D.
22.4

Answers

Answer:D

Explanation:

a force of 29 N and acceleration is 0.4 m/s what is the combined mass

Answers

Answer:

72.5Kg

Explanation:

that is the procedure above

If the change in velocity increases, what happens to the acceleration during the same time period?

Acceleration decreases.
Acceleration increases.
Acceleration becomes negative.
Acceleration becomes steady.

Answers

Answer:

Acceleration decreases

Answer:

its b

Explanation:

10. Which is an example of mechanical energy?*
(1 Point)
1. charges a computer battery
the energy stored in candy
2. a golfer hitting a golf ball
3. heat given off from your body

Answers

Answer: A golfer hitting a golf ball.

Explanation:

The atomic particles move more in this option than the others.

How many joules would be required to change the temperature of 250.0 g of aluminum from 15.0°C to 75.0°C? The specific heat capacity of a luminum is 24.2J/g°C.

Answers

Step by step answer =100 joules

When the gravimeter was invented.​

Answers

Answer:

it was invented in 1960

Explanation:

it was descibed as a wooden instrument ideally suited for gravity programmes in areas of limited latitude and temperature variations

is carbon dioxide from a fire extinguisher a physical or chemical change?

Answers

Answer:

Fire is a chemical reaction between oxygen and the fuel. If you want to put out a fire, just get rid of one of those three things – fuel, oxygen or heat. ...It also prevents oxygen from reaching the fuel. Most fire extinguishers work by separating the fuel from the oxygen.

Explanation:

Answer:

It is a chemical change

Explanation:

2. When we lift a stool, its ____________
A) gravitational potential energy is increased
B) gravitational potential energy is decreased
C) kinetic energy is decreased
D) gravitational potential energy remains unchanged

Answers

A.)

Standing on an elevated ledge would be more potential energy than standing on the ground. Same applies for anything else -- Including a chair!

En la electrosis del cloruro de sodio (Na Ci) el cloruro es atraido por elcatodo. Falso o verdadero. Y porque?

Answers

Answer:

Falso

Explanation:

La electrólisis es la descomposición de una solución cuando la corriente continua se pasa a través de ella.

La corriente entra y abandona el electrolito a través de los electrodos. El electrodo positivo se llama el ánodo mientras el electrodo negativo se llama cátodo.

Los iones positivos se mueven hacia el cátodo, mientras que los iones negativos se mueven hacia el ánodo.

Dado que el cloruro es un ion negativo, se mueve hacia el ánodo y no hacia el cátodo.

what would the molarity of a solution be if you diluted 350 mL of 3 M NaOH to 1.4 Liters?

Answers

Answer:

0.75 M

Explanation:

Equation for dilution:

M1V1 = M2V2

Make units the same:

350 mL = 0.35 L

Plug the numbers into the equation

(3M) (0.35 L) = (M2) (1.4L)

Divide both sides by 1.4L

Which gives you 0.75 = M2

Which type of fuel can only be used in certain geographic areas?
A. Petroleum
B. Biomass
C. Nuclear
O D. Geothermal


The answer is D. geothermal

Answers

Answer:

D.

Explanation:

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Stay Safe

Answer: D Geothermal

Explanation:

Increasing the temperature of an endothermic reaction results in ____
· more reactants and products.
· no change in the quantities of reactants and products.
· more reactants and fewer products.
· fewer reactants and products.
· more products and fewer reactants.

Answers

Answer:

more reactents and products

How many moles of oxygen are required to react with methanol in order to produce 13 moles of formaldehyde?

Answers

Answer:

6.5 moles of Oxygen are required

Explanation:

Based on the reaction:

CH3OH + 1/2 O2 → CH2O + H2O

1 mole of methanol reacts with 1/2 moles O2 to produce 1 mole of formaldehyde and 1 mole of water.

Thus, to produe 13 moles of formaldehyde, CH2O, are needed:

13 moles CH2O * (1/2mol O2 / 1mol CH2O) =

6.5 moles of Oxygen are required

can i do chemistry project on effects of caffeine​

Answers

Answer:

You do as you wish, but it isn't a terrible idea.

Explanation:

Caffeine is a drug that has been normalized in society for a long time. But it's effects on the nervous, digestive, excretory, and circulatory systems are a good basis to start a project off of.

Cheers! (:

The complete combustion of methane can be seen in the equation: CH4 + 2 points
202 - CO2 + 2H2O If 50 g of methane are reacted completely, which
statement describes the reaction? *
O The total mass of the reactants is 50 g.
O The total mass of products is 50 g.
O The total mass of products is less than 50 g.
The total mass of reactants is greater than 50 g.

Answers

Answer: The statement total mass of reactants is greater than 50 g is true.

Explanation:

According to law of conservation of mass, it is known that mass can neither be created nor it can be destroyed but it can only be transformed from one form to another.

For example, [tex]CH_{4} + 2O_{2} \rightarrow CO_{2} + 2H_{2}O[/tex]

Here, mass of methane is 50 grams but oxygen is also present over here whose mass isn't given. This means that total mass of reactants is greater than 50 grams.

Thus, we can conclude that the statement total mass of reactants is greater than 50 g is true.

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