Imagine that you have an ideal gas in a 4.30 L container, and that 1250 molecules of this gas collide with a square-inch area of the container at any given instant. If the volume is increased to 21.5 L at constant temperature, how many collisions will occur per square inch of this larger container

Answers

Answer 1

Answer:

250 collisions per square inch

Explanation:

According to Boyle's law, at constant temperatures, the pressure exerted by gas molecules is inversely proportional to the volume of the gas. Hence;

    P1V1 = P2V2 where P1 = initial pressure, V1 = initial volume, P2 = final pressure, and V2 = final volume

In this case, the collision that occurred is taken as the pressure.

P1 = 1250, V1 = 4.30 , V2 = 21.5 P2 = ?

P2 = P1V1/V2

        = 1250 x 4.30/21.5

                 = 250

Hence, at a constant temperature, 250 collisions per square inch of the larger container will occur.


Related Questions

which of the following best describes a decomposition reaction?
a. two substances combine to form a single new substance
b.two substances recombine to form two new substances
c. one element takes place of another in a compound
d. a single substance breaks down

Answers

Answer:

d.

Explanation:

because its right :)

The statement among the following which best describes a decomposition reaction is a Single complex substance breaks down in to two or more simpler substances.Hence, Option (D) is correct.

What is Decomposition Reaction ?

Chemical decomposition, or chemical breakdown, is the process or effect of simplifying a single chemical entity into two or more fragments.

Chemical decomposition is usually regarded and defined as the exact opposite of chemical synthesis.

Therefore, The statement among the following which best describes a decomposition reaction is a Single complex substance breaks down in to two or more simpler substances.Hence, Option (D) is correct.

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Determine the LIMITING reactant in the following balanced equation:
2KBr + CI2 --> 2KCI+ Br2, when 4g of KBr react with 6 g of CI . MM(KBr)=
119 g/mol MM(CI2)=70 g/mol *

Answers

Answer:

KBr is limiting reactant.

Explanation:

Given data:

Mass of  KBr =4g

Mass of Cl₂ = 6 g

Limiting reactant = ?

Solution:

Chemical equation:

2KBr + Cl₂      →    2KCl + Br₂

Number of moles of KBr:

Number of moles = mass/molar mass

Number of moles = 4 g/ 119 gmol

Number of moles = 0.03 mol

Number of moles of Cl₂:

Number of moles = mass/molar mass

Number of moles = 6 g/ 70 gmol

Number of moles = 0.09 mol

Now we will compare the moles of reactant with product.

              KBr            :            KCl

                2              :              2

            0.03            :            0.03

             KBr            :              Br₂

                2             :               1

             0.03           :          1/2×0.03= 0.015

               Cl₂             :            KCl

                 1              :              2

            0.09            :           2/1×0.09 = 0.18

               Cl₂             :              Br₂

                1              :               1

             0.09           :            0.09

Less number of moles of product are formed by the KBr thus it will act as limiting reactant while Cl₂  is present in excess.

the correct lewis dot structure for CaO?

Answers

Answer:

Here you go.

Explanation:

Hopefully it is not confusing.

How many Cl atoms are in Zn(ClO3)2?
O A. 2
O B. 1
O c. 3
O D. 6

Answers

There are two chlorine band six oxygen atoms in Zn ( ClO₃ )₂ molecule. Therefore, option A is correct.

What is chlorine atom ?

With an atomic mass of 35.45 and an atomic number of 17, chlorine has an average of 17 protons, 17 electrons, and 18 neutrons in each of its atoms. Chlorine, which belongs to the halogen family on the Periodic Table, reacts vigorously with metals to produce salts.

Numerous industrial applications exist for chlorine as well. Including the production of plastics like PVC, solvents like tetrachloromethane, chloroform, and dichloromethane, as well as bulk goods like bleached paper products. In addition, it is utilized in the production of paints, textile colors, antiseptics, and pharmaceuticals.

Chlorine is a negative ion because it has a charge of 1, 1 more than protons. Atoms acquire or lose electrons during the formation of ions until their outer energy level is reached.

Thus, option A is correct.

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Question 10 of 32
Which of the following is an example of how the same chemicals used to
help people can harm the environment?
O A. Phosphates are removed from detergents so they don't end up in
drinking water.
B. Hillsides erode after plants are removed to clear a space for crops.
C. Plants grow back after toxic chemicals are removed from the
surrounding soil.
D. Excess fertilizers run off into rivers and create a dead zone.
SUBMIT

Answers

Answer:

D

Explanation:

The correct answer that gives a good example of how the same chemical used to help people can harm the environment would be when excess fertilizers run off into rivers and create a dead zone.

Fertilizers are usually applied to crops as an agricultural practice by farmers to enhance the yield of the crops and boost food or raw materials production. However, excess fertilizer gets washed into nearby water bodies and ends up creating a low-oxygen zone that is incapable of supporting lives within the water body - also known as dead zones.

The correct option is, therefore, D.

a compound contains 64g of O and 8g of H. what is the empirical formula for this compound

Answers

Explanation:

Moles of Oxygen = 64/16 = 4

Moles of Hydrogen = 8/1 = 8

Hence the empirical formula is H2O.

Pla helppp due in 5 minutes!!..

Answers

g o o g le (particle arrangements for solids) etc itll give you good images and just draw them in !

explain why the chemical formula below is “balanced”.
2Cu + 02 -> 2CuO

Answers

2Cu+02-> 2CuO. Balanced

what you could get from each meal and what you would need that nutrient for

Answers

Answer:

You can get calcium from foods and it helps to build strong bones. You can also get iron from food and it helps with blood health. Vitamin C and D3 are also common and help with immune health and D3 and biotin helps with the growth of hair, nails and skin health.

Explanation:

calculate the number of atoms in 2.5 mol manganese. show the steps and please don’t answer if you don’t know :)

Answers

Answer:

15.1  × 10²³ atoms

Explanation:

Given data:

Number of moles of manganese = 2.5 mol

Number of atoms = ?

Solution:

Avogadro number:

The given problem will solve by using Avogadro number.

It is the number of atoms , ions and molecules in one gram atom of element, one gram molecules of compound and one gram ions of a substance.  The number 6.022 × 10²³ is called Avogadro number.

1 mole = 6.022 × 10²³ atoms

2.5 mol × 6.022 × 10²³ atoms / 1 mol

15.1  × 10²³ atoms

Find the product 78.3 times 0.45
Please help :(

Answers

Answer:

35.235

Explanation:

I plugged 78.3x0.45 it into a calculator

what do you understand by valency electron and valency shell?​

Answers

Answer:

total no. of electron present in Valency shell is called valency electron ___________________

valency shell is that in which last electron is present

The mouth is a part of what organ system

Answers

Answer:

Digestive system

Explanation:

..........

1) Which diagram shows an element?
2) which diagram shows a mixture?
3) which diagram shows a compound?
4)which diagram only shows atoms chemically bonded together?
5) which diagram shows different atoms of matter physically combined together?

Answers

Answer:

r

I think 1 option okkkkkkkkkkkkk

Explanation:

mhfs4trfsetc fthcfeencfgeh,cbwjh vbytbnmdtuh3lg dl5flnfwk3t kqre,fvbt,klkkkjh

why cant school just be poggers for once:(

Answers

I thought I was the only one wondering this but anyways can I have branliest(:

Answer:

yes the schools should be poghers for once only:)

The process of burning a fossil fuel to release energy is called

Answers

Answer:combustion

Explanation:

A hydrated sample of cobalt II chloride has a molar mass of 309.99 g/mol. What is the mole ratio between cobalt II chloride and water?

Answers

Explanation:

Let there be 1 mole of CoCl2.

Mass of CoCl2 = 1mol * (129.839g/mol) = 129.839g

Mass of H2O = 309.99g - 129.839g = 180.151g

Moles of H2O = 180.151g / (18g/mol) = 10mol

Hence the mole ratio of CoCl2 to H2O is 1 : 10.

Answer:

[tex]\boxed {\boxed {\sf 1 \ mole \ CoCl_2 \ to \ 10 \ mole \ H_2O}}[/tex]

Explanation:

First, identify the formula of cobalt II chloride: CoCl₂

Next, find the molar mass of CoCl₂. Identify the individual element's mass.

Cobalt (Co): 58.93319 g/molChlorine (Cl): 35.45 g/mol

Since there is a subscript of 2 after the Cl, we must multiply the molar mass of chlorine by 2

CoCl₂: (58.93319 g/mol) + (2* 35.45 g/mol) = (58.93319 g/mol)+(70.9 g/mol) 129.83319 g/mol

Assuming the sample is 1 mole, we can subtract the mass we just found from the hydrate sample's mass. This is the mass of the water.

309.99 g - 129.83319 g= 180.15681 g

Now, we need to find the number of moles of water. Begin by finding the molar mass of water: H₂O

Hydrogen (H): 1.008 g/mol Oxygen (O): 15.999 g/mol

Since there is a subscript of 2 after the H, we must multiply the molar mass of hydrogen by 2.

H₂O: (1.008 g/mol *2)+ 15.999 g/mol = (2.016 g/mol)+(15.999 g/mol)=18.006 g/mol

Finally, divide the mass of the water by the molar mass of water.

180.15681 g / 18.006 g/mol

Note that the grams or g will cancel.

180.15681 / 18.006 mol = 10.00537654 mol

This is roughly 10, so we can round to 10.

≈ 10 mol H₂O

So, the mole ratio is 1 mole CoCl₂ to 10 mole H₂O

The climate in the temperate deciduous forest biome has four changing seasons with rain.
True
False

Answers

The answer is false.

What type of conservation tillage leaves the greatest amount of soil cover by crop residues? What are the advantages and disadvantages of this system?

Answers

Answer:

No-till conservation tillage

Explanation:

No till conservation involves the soil not being touched which gives rise to a large amount of organic matter being left on the surface.

The Advantage of this method is that it helps to prevent erosion such as that of wind and water due to the little or no exposure of the soil surface and helps to provide nutrients to the plants through the organic matter present.

The Disadvantage of this method is its heavy reliance of chemicals such as herbicides in killing the weeds in order to prevent competition for vital compounds with the main plants.

The gases in a hairspray can are at a temperature of 27 C and a pressure of 30 psi. if the gases can reach a pressure of 90 psi, the can will explode.To what Temperature must the gases be raised in order for the can to explode? You can assume volume remains constant..... please help!!!

Answers

The temperature for the can explode : 627 °C

Further explanation

Gay Lussac's Law  

When the volume is not changed, the gas pressure is proportional to its absolute temperature  

[tex]\tt \dfrac{P_1}{T_1}=\dfrac{P_2}{T_2}[/tex]

T₁=27 C+273=300 K

P₁=30 psi

P₂=90 psi

[tex]\tt T_2=\dfrac{P_2\times T_1}{P_1}\\\\T_2=\dfrac{90\times 300}{30}\\\\T_2=900~K=627^oC[/tex]

How many grams are in 56 L of chlorine gas?

Answers

Answer:

Since 1 L equals to 1000 microlitres, and 1 microlitre equals to 1 gram, there are 56 * 1000 = 56000 grams of chlorine gas in 56 L of chlorine gas.

Explanation:

Hope this helped!

Answer: 177.265g of Chlorine gas

Explanation:

56 L Cl2 * 1 mol Cl2 / 22.4 L Cl2 * 70.906g Cl2 / 1 mol Cl2 = 177.265 g Cl2

The amount of resistance to a change in motion an object demonstrates is a direct function of its:

Answers

Answer:

Newton second law maybe?

help me pleaseeee, ty if you doo:))

Answers

Answer:

9 is the correct answer

A 1500 W hair dyer is used to dry hair for 6 minutes a day for 3 days. How much energy is used?

Answers

Answer:

Since a 1W appliance will use 1 joule of energy every second, a 1500W appliance will use 1500 joules of energy every second. Hence, it will use 90000 joules of energy per minute, 540000 joules per 6 minutes (per day), and 1620000 joules of energy across all 3 days.

TL;DR 1620000 joules of energy would be used.

Explanation:

Hope this helped!

1. True or false, phosphorus-33 is an isotope


Answers

Explanation:

it's answer is false

hope it helps you

The simplest structures that can carry out all of the activities characteristic of life are

Answers

Answer:

Cells are the simplest structures that can carry out all of the characteristics activities of life.

Explanation:

All living things are made of cells and all cells come from other cells.

When a neutral atom gains or loses a proton, it becomes a(n)
*
Different Element
Isotope
lon
Neutral Atom

Answers

Answer:

Ion

Explanation:

I'm pretty sure yhi

The conversion factor 1 mol/6.02 × 1023 representative particles can be used to find the number of moles when the number of representative particles is known


true or false​

Answers

I honestly think it’s false I’m not sure tho

relation between atomic number and frequency of radiation​

Answers

Answer:

This law established a relationship between atomic number of element and frequency of X-rays of that atom. According to this law, the square root of frequency of X-rays imparted by elements is directly proportional to the atomic number of that element.

3. What determines that an element is a metal?

Answers

Answer:

if it forms from positive ions and has types of metallic bonds

Explanation:

if they are shiny or easily conduct electricity but don’t be confused with shiny because a lot of things can be shiny but that doesn’t always mean they’re metal
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