HELP PLEASE!!!!!! I will give 100 points!!!!!

S + 6 HNO3 --> H2SO4 + 6 NO2 + 2 H2O

In the above equation how many moles of H2SO4 can be made when 87 moles of HNO3 are consumed?

Answer:

441.81 mL

Explanation:

P1 x V1 = P2 x V2

V2 = P1 x V1 / P2

V2 = 608 x 545 / 750

V2 = 331360 / 750

V2 = 441.81 mL

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Measurement units are the defined units used for the particular dimensions and proportions. 3500 milliseconds are there in seconds.

Time is defined as the rate of things occurring or taking place and is given by seconds, minutes, hours etc.

Using  the conversion factor the relation between the seconds and milliseconds is:

1 second = 1000 miliseconds

Convert 3.5 seconds into milliseconds using conversion factor:

[tex]\begin{aligned}3.5 \;\rm seconds &= 3.5 \times 1000 \\\\&= 3500 \;\rm miliseconds\end{aligned}[/tex]

Therefore, option C. 3500 milliseconds is correct.

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Answer:

3500 ms

Explanation:

Answer:

A. Pentane- 1,5-diamine

Explanation:

I just did this in chemistry today

Answer:

The other person is correct.

Explanation:

You should give him brainiest.

Answer:

I don't know what is the answer of it

When an atom of chlorine forms an ionic bond with an atom of sodium, the

atom of sodium loses an electron.

This is also known as electrovalent bond and it is the bond which occurs

as a result of elements gaining or losing electrons in a reaction.

An atom of chlorine forming an ionic bond with an atom of sodium,means

the atom of sodium will have to lose an electron in other to achieve a

stable octet configuration.

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Answer:

For every 1 Ca(NO3)2 there are six (2 * NO3 or 2 * 3 O) oxygens. If you have 3 mole of Ca(NO3)2 then you have 18 mole of oxygen atoms (3*6).

Explanation:

Answer:

Standard pressure is always 1.00atm. Example #1: How many moles of oxygen will occupy a volume of 2.50 L at STP? Standard temperature = 273K law.

Explanation:

Answer:

2.07 atm

Explanation:

Answer:

313.15

Explanation:

The total pressure of the system is equivalent to the sum of all the pressure of the individual gases. The total pressure of the flask is 2.37 atm.

According to Dalton's law, the total pressure of the system will be equivalent to the total of the pressures exerted by the individual gases present in the system.

The total pressure of gases is given as,

[tex]\rm P = P_{1} +P_{2}+ P_{3}.....P_{n}[/tex]

Given,

Substituting values in the above equation:

[tex]\begin{aligned}\rm P &= 0.72 + 1.65\\\\&=2.37\;\rm atm\end{aligned}[/tex]

Therefore, 2.37 atm is the total pressure of the flask.

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Explanation:

Molality of a solution is the number of moles of solute dissolved in 1 Kg of the solvent. Thus, if one gram molecule of a solute is present in 1 kg of the solvent.

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Answer: 0.83 m/s

Linear motion consists of 2: constant velocity motion with constant velocity and uniformly accelerated motion with constant acceleration

Answer:

Science Question: What will the combination of the resources I use to make this new chemical do to different living organisms and non-living organisms around an environment?

Non-Science Question: What should we call this new chemical?

Explanation:

I hope this helps! If you don't like these questions I've got a few more that may work to your liking! :)

Answer:

Law of conservation of linear momentum :- when there is no any external force applied on a system of particles then , momentum of system of particles will be conserved or you can say that if external force is zero. Then momentum of system of particles in intially = momentum of system of particles in finally

Explanation:

According to Newton's second law of motion, because no external force occurs on the system, The change in momentum is equal to zero; hence, the linear momentum is conserved. The entire linear momentum of an isolated system, that is, a system that is not subjected to any external forces, is conserved.

1. The total amount of momentum of the collection of objects in the system is the same before the collision as after the collision.

2. It must be conserved in an isolated system because isolated systems do NOT exchange matter or energy with their surroundings.

Answer:

it’s called a product

Explanation:

think of the different chemicals as a math problem you add two or more things together and you get the product

A chemical reaction is a process in which one or more substances, also called reactants, are converted to one or more different substances, known as products.

The appearance of ions in solution makes a solution to conduct electricity.

Conductivity refers to the flow of current through a solution.

1) There is an evidence that reaction has occurred because of the formation of a precipitate

2) The conductivity decreases as more H2SO4 was added.

3) The indicator of the number of ions in the solution is the current recorded.

4) This evidence indicates that a reaction has occurred because the formation of a precipitate decreases the current.

5)  Ba(OH)2(s) ---->  Ba^2+(aq) + 3OH^-(aq)

H2SO4(aq) ---> 2H^+(aq) + SO4^2-(aq)

6) When the conductivity is at the minimum, It means that the   Ba(OH)2 is largely undissociated.

7) It does not conduct at a low point because there are no ions in solution.

8) It conducts more before and after this minimum point because of more ions in solution.

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Hope you could understand.

If you have any query, feel free to ask.

Answer:

C2H5

Explanation:

you first find the number of moles of both substances then divide by the lowest number in this case carbon was 1 and hydrogen was 2,515... then you multiply by a whole number which was 2 then it was now C2H5

Answer:

2CH4 - - - > C2H6+3H2O

2C2

8H12

0O3

6CH4 + 3O - - - > 3C2H6+3H2O

6C6

24H24

3O3

I added oxygen to the reactant side because I presumed this must be a combustion of methane; since, H2O is made in the product side.

Hope this helps!

Explanation:

At 4th point the slump block is located

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It is point 2, for anyone who sees this is the future

Explanation:

3.Apply the ideal gas law: PV = nRT solving for n. Here you can use the pressure given in atm, but you must choose the 0.0821 atm L/mole K gas constant. Or you can change 4.5 atm to 3420 mm Hg and use the 62.4 mmHg L/mole K gas constant. You must change 500 ml to 0.5 L because both gas constants have units in L, and so the volume must be in liters so it can cancel out. And of course, you must change the temperature to Kelvin.

a. n = (4.5atm)(0.5L)

moliK)(298K) = 0.092 mole (0.0821 atmiL

b. 0.092mol 32g

⎛⎝⎜ ⎞⎠⎟ = 2.9 g

1mol

c. Remember that D = mass

vol so D = 2.9g

0.5L = 5.9 g/L

Answer:Conduction transfers heat between two materials that are touching, such as foil and chocolate pieces, or particles, such as the atoms in foil.Convection allows heat to be transferred in liquids, like water.Radiation transfers heat from a light bulb to paper.Conduction,

convection, and radiation move energy from the Sun to Earth and throughout Earth.

Explanation:

Conduction: This is a flow of heat by direct contact. Heat travels from a warmer object toward a colder object.  

Convection: This is a transfer of heat by mixing a fluid.

Radiation is the transfer of heat in wave form.

Conduction is the transfer of thermal energy through direct contact. Convection is the transfer of thermal energy through the movement of a liquid or gas.

Radiation is the transfer of thermal energy through thermal emission.

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Answer:

I will assume that the moles are all mistyped and will change them to:

4.64, 25.9, and 2.73.

15.2 liters

Explanation:

Both situations can be described using the ideal gas law:  

PV=nRT,

where P, V, and T are the pressure, volume, and temperature (in degrees K).  n is the number of moles.  R is the gas constant.

First NO2 :      P1(25.9L) = (4.64moles)RT

Second NO2: P2V2 = (2.73moles)RT2

Divide one equation by the other:

(P1(25.9L)  =  (4.64)RT1)      

  P2V2 = (2.73)RT2          

The temperatures, pressures, and gas constants are unchanged, so we can cancel those to obtain:

(25.9L)/V2 = (4.64/2.73)

V2 = (25.9L)(2.73/4.64)

V2 = 15.2 Liters

Anabolism builds molecules required for the body's functionality. The process of catabolism releases energy. Anabolic processes require energy.

#4

c is right above the earth's crest so it absorbs most earth .so highest temperature

#5

a is at top hence least heat absorbs so least temperature

#6

Answer:Tthe liquid in a graduated cylinder curves up at the edge where the liquid meets the wall of the cylinder. This curve in the liquid is called the meniscus and is used to determiine the volume of liquid in a graduated cylinder by observing the measurement tick closest to the bottom of the meniscus.

Explanation:

Hope it helps :D

Answer:

▪ Will it make a difference if we swap the anode and cathode in electroplating?

➢ If we interchange the two terminals after electroplating then the ions deposited on the plate will move again towards their original position.

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Explanation:

if we change the two terminals after electroplatingthen the ions deposited on the plate will move again towards their original position...

Answer + Explaination: A beam of light bends when it passes into a new medium because light travels slower in denser medium.