I NEED HELP ASAP !!!!

Answer:

When the acid is mixed with the water, an immediate chemical reaction takes place. The formation of carbon dioxide causes breakdown of the sample into finer particles.  

The heat in the Stomach rises up, causing esophageal reflux, chronic sinusitis, headaches, eye disorders and problems with the teeth. Furthermore, ingesting cold water creates moisture or “dampness.” Bacteria, candida, and parasites thrive in damp areas, especially in your stomach and uterus.

Answer:

C

Explanation:

Ether group does not exist in amino acids

Ammonium group is on one side

the carboxylate group is opposite to the ammonium group

the R group defines what amino acid it is.

Answer:

predicting how a tech will interact with human tissue.

Explanation:

thats not really common except for in the medical field.

The challenge that is unique to the process of designing prostheses as opposed to engineering other technologies is Predicting how a technology will interact with human tissue. The correct option is option 4.

Prosthesis design is typically undertaken by shaping wax on a plaster replica of the patient's anatomy. Realism is predominantly achieved through the prosthetist's ability to interpret the correct location and physically recreate the anatomical shape and detail.

Prosthetic applications are an example of the intersection of design, technology and science.

Therefore, The challenge that is unique to the process of designing prostheses as opposed to engineering other technologies is Predicting how a technology will interact with human tissue. The correct option is option 4.

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The balance chemical equation and the type of reaction of AgNO₃ and the other compounds can be represented as follows;

2AgNO₃ + Cu → Cu(NO₃)₂ + 2Ag (single displacement )

2AgNO₃ → 2Ag + O₂ + 2NO₂ (decomposition reaction)

AgNO₃ + KCI → AgCI + KNO₃(double displacement reaction)

2Ag + I₂ → 2AgI (synthesis reaction)

AgNO₃ + Cu → Cu(NO₃)₂+ Ag

The balance equation is as follows:

This is a single displacement (substitution)  reaction. The Copper substance displaced silver from it compound.  

AgNO₃ → Ag + O₂ + NO₂

The balance equation is represented as follows:

The reaction is a decomposition reaction. Silver nitrate was decompose to it individual constituent.

AgNO₃ + KCI → AgCI + KNO₃

The balance equation is represented as follows:

The reaction is a double displacement reaction. The  anions and cations of two different compound switch places, forming two entirely different compounds.

Ag + I₂ → AgI

The balance equation is as follows:

The reaction is a synthesis reaction. The individual elements combined to form a compound.

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Answer:

intra moleculer force is the force which you can't see

Explanation:

c-o number if electrons shared: 4. doubke bond. non polar

c-cl 2 electrons sharde single bond non polar

I know this cause one dash equals 2 electrons chemistry teachers use them when two compounds are sharing electrons rather then using two dots so people know the difference

Answer:

1.

a. Diagram A

b. Diagram A should stay still, but Diagram B should move/roll to the left.

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2.

a. Diagram A and Diagram B are different because the object kg are different, one is 10kg and the other is 2kg.

b. Diagram B because its smaller making it lighter to move when Diagram A is 5 times larger, which will make it heavier.

__________________________________

3.

a. Diagram A and Diagram B compare because the object both equal 3kg.

b. Diagram A will have a greater acceleration because 80n > 40n

Answer:

There are two -NH2 groups around the C=O. bond in the urea molecule structure. There are one lone pairs on each nitrogen atoms and two lone pairs on oxygen atom.

The molecule urea that the molecular geometry of the nitrogen atoms is tetrahedral.

The term molecular geometry has to do with the arrangement of atoms around the central atom. On this case, we are looking at the arrangement of atoms around nitrogen.

We can see from the molecule urea that the molecular geometry of the nitrogen atoms is tetrahedral.

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Answer:

46

Explanation: ihjk

Even in pitchblende, polonium is exceedingly rare: 1,000 tons of ore must be treated to yield 40 milligrams of polonium. It has a one-part-in-ten-thousandth-thousandth-thousandth-thousandth-thousandth-thousandth It is found in nature as a byproduct of the radioactive decay of uranium, thorium, and actinium.

Atomic Number: 210

Answer:

A

Explanation:

Alcohol is a type of molecule in propanol. Hence, option A is correct.

Propanol molecular formula is C₃H₇OH.

C₃H₇OH contains -OH functional group which belongs to alcohol.

Hence, option A is correct.

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Answer:

10m\s

Explanation:

given

initial velocity(u)=0

final velocity (v)=100

acceleration(a)=?

we know,

acceleration = v-u/t

= 100-0\10

= 10 m\s

aused by the weight of the huge numbers of air molecules that make up the atmosphere. ... When air pressure is low, air flows together and then upward where it converges, rising, cooling, and forming clouds.

Answer:

Explanation:

The weather events happening in an area are controlled by changes in air pressure. Air pressure is caused by the weight of the huge numbers of air molecules that make up the atmosphere. ... When air pressure is low, air flows together and then upward where it converges, rising, cooling, and forming clouds.

Explanation:

Gold Au

Copper Cu

Iron Fe

Magnesium Mg

Hydrogen H

Helium He

Mercury Hg

Iodine I

Answer:

clouds and precipitation that minimize temperature changes throughout the day

Explanation:

Answer:

8,346 kmxm/s2

Explanation:

this is physics not chem but you just multiply 13 by 642 to get 8,346. also I'm sorry but it's easy

Answer:

Personally, I use Superglue

Explanation:

Answer:

Carbonate Sodium Hydrogen

Answer:

A- Butyric acid and methylammonium chloride.

Explanation:

Answer:

since the distance between the electron and the nucleus is smaller in B than in Li, the electrostatic nuclear force of attraction experienced by B is higher than the one experienced by Li...this translates to the higher first ionization energy in B than in Li.

Explanation:

i hope it's helping!

Answer:

They all have a choloride(CI-1) ion

Explanation:

The pressure of the gas when the volume of the vessel is tripled is 0.50 atm.

To find the volume of the gas, we use Boyle's law which states that for a given mass of gas at constant temperature, the pressure is inveresly proportional to its volume. This is stated mathematically as P ∝ 1/V.

So, PV = constant

P₁V₁ = P₂V₂ where P₁ = initial pressure of gas = 1.50 atm, P₂ = final pressure of gas, V₁ = initial volume of gas = 78.00 L and V₂ = final volume of gas = 3V₁ (since the volume of the gas is tripled)

So, making P₂ the subject of the formula, we have

P₂ = P₁V₁/V₂

Substituting the values of the variables into the equation, we have

P₂ = P₁V₁/V₂

P₂ = 1.50 atm × V₁/3V₁

P₂ = 1.50 atm/3

P₂ = 0.50 atm

So, the pressure of the gas when the volume of the vessel is tripled is 0.50 atm.

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Answer:

2

Explanation:

depends on how small but you wouldn't be able to see with good glasses your senses or your touch

Answer:

Tools and Technology ( Microscopes etc)

Explanation:

Glasses are not good enough to see on the molecular and cellular level.

The five senses aren't reliable and can vary between people.

Touch is one of the 5 senses, and touching chemicals isn't good.

Answer:

x = 0.45*28/3 = 4.2 g

Explanation:

showing work

N2 = 28 g/mole

3Mg + N2 → Mg3N2

3moles .. 28 g

0.45 moles .. x

x = 0.45*28/3 = 4.2 g (answer)

Answer:

The correct answer is 6.265 M.

Explanation:

To find the molarity of the solution, we first must recall that molarity represents the number of moles of solute divided by the number of liters of solution. Thus, our first step should be to convert the solute amount in grams to moles, using the given molar mass.

266.07 g * (1 mol/169.88 g) = 1.5662 mol

Now, we can find the molarity using the following formula:

Molarity = moles solute/liters solution

M = 1.5662 mol/0.25 L

M = 6.265 M

Therefore, the molarity of the solution is 6.265 M.

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The phenomena which  wind causes  are waves and surface currents.

Surface currents are caused by  winds  which blow over the ocean water and result in creation of waves. Surface currents  are horizontal streams of water which are capable of  flowing thousands of kilometers and can reach great depths.

Surface currents play a major role in determining the climate all over the world. They are influenced by three major factors 1) overall global wind patterns 2)rotation of earth 3)shape of ocean basins . When a surface  current collides with the land it  changes the direction of currents.

Because of surface currents the global climate has warmer water  from equator to the cooler parts of the ocean  as they transfer heat energy.

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There are 8.16 × 10-³ moles of CO2 gas at 100°C with a volume of 250 mL at 760 mm Hg.

HOW TO CALCULATE NUMBER OF MOLES:

The number of moles of a sample of gas can be calculated using the following formula:

PV = nRT

Where;

According to this question;

1 × 0.250 = n × 0.0821 × 373

0.250 = 30.62n

n = 0.250 ÷ 30.62

n = 8.16 × 10-³mol

Therefore, there are 8.16 × 10-³ moles of CO2 gas at 100°C with a volume of 250 mL at 760 mm Hg.

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