If you want there to be less of you tomorrow than today... you need to lose

Answer:

Generation in computer terminology is a change in technology a computer is/was being used. Initially, the generation term was used to distinguish between varying hardware technologies. Nowadays, generation includes both hardware and software, which together make up an entire computer system.

5 generation of computer  

Main electronic component: based on artificial intelligence, uses the Ultra Large-Scale Integration (ULSI) technology and parallel processing method.

ULSI – millions of transistors on a single microchip

Parallel processing method – use two or more microprocessors to run tasks simultaneously.

Language – understand natural language (human language).

Power – consume less power and generate less heat.

Speed – remarkable improvement of speed, accuracy and reliability (in comparison with the fourth generation computers).

Size – portable and small in size, and have a huge storage capacity.

Input / output device – keyboard, monitor, mouse, trackpad (or touchpad), touchscreen, pen, speech input (recognise voice / speech), light scanner, printer, etc.

Example – desktops, laptops, tablets, smartphones, etc.

3 generation of computer

Main electronic component – integrated circuits (ICs)

Memory – large magnetic core, magnetic tape / disk

Programming language – high level language (FORTRAN, BASIC, Pascal, COBOL, C, etc.)

Size – smaller, cheaper, and more efficient than second generation computers (they were called minicomputers).

Speed – improvement of speed and reliability (in comparison with the second generation computers).

Input / output devices – magnetic tape, keyboard, monitor, printer, etc.

Examples – IBM 360, IBM 370, PDP-11, UNIVAC 1108, etc.

4 generations of computer

Main electronic component – very large-scale integration (VLSI) and microprocessor.

VLSI– thousands of transistors on a single microchip.

Memory – semiconductor memory (such as RAM, ROM, etc.)

RAM (random-access memory) – a type of data storage (memory element) used in computers that temporary stores of programs and data (volatile: its contents are lost when the computer is turned off).

ROM (read-only memory) – a type of data storage used in computers that permanently stores data and programs (non-volatile: its contents are retained even when the computer is turned off).

Programming language – high level language (Python, C#, Java, JavaScript, Rust, Kotlin, etc.).

Answer:

Explanation:

20mL = 0.020L

0.115M = mol/0.02L

mol=0.0023

equivalence point → mols of weak acid = mols of strong base

0.1014 = 0.0023/volume

volume = 0.02268 L → 22.68 mL

To know the end point we use phenolphthalein as indicator. End point is a point where completion of reaction happen. Therefore, volume of base is 22.6ml.

Titration is a technique by which we know the concentration of unknown solution using titration of this solution with solution whose concentration is known.

The balanced equation between sulfurous acid and potassium hydroxide.

KOH + H₂SO\(_3\) →K\(_2\)SO\(_4\) +H\(_2\)O

concentration of sulfurous acid= 0.115 M

Volume of  sulfurous acid= 20.0-mL

Concentration of potassium hydroxide=0.1014 M

Volume of potassium hydroxide= ?

At equivalent point,

moles of  H₂SO\(_3\)      moles of KOH

                      M₁×V₁=M₂×V₂

    0.115 M×20.0-mL = 0.1014 M×V₂

                              V₂=22.6ml

Therefore, volume of base is 22.6ml.

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Answer:

B is the answer

We are in a spiral galaxy but as of late scientists believe we are in a barred-spiral galaxy.

Explanation:

Hope this helped.

A brainliest is always appreciated.

Milky way is a type of  barred-spiral galaxy.

A galaxy is defined as a system of stars, stellar remainings, interstellar gas, dust, dark matter, which are bound together by means of gravity.The word is derived from the Greek word which literally means 'milky',as a reference to the Milky Way galaxy which contains the Solar System.

Most of the mass which is present in a galaxy is present in the form of dark matter, out of which only a few percent of the mass

is visible. Supermassive black holes are a common characteristic which are present at the centres of galaxies.

Galaxies are categorized as per their morphology in the shape of elliptical, spiral, or irregular. Many are believed to have supermassive black holes which are present at their centers. The Milky Way's central black hole which is present , also known as Sagittarius A*, has a mass which is four million times greater than the Sun.

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The number of moles containing 2.66 × 10¹⁵ molecules of CO is

4.41 × 10 ⁻⁹. One mole of Co is 28 g. Hence, mass of CO 4.41 × 10 ⁻⁹ moles is 1.23 × 10⁻⁷ g.

Any substance  that contains   6.022 × 10²³ number of atoms is called ne mole of that substance. This number is called Avogadro number. Hence, one mole of every elements contains Avogadro number of atoms.

CO is a covalent compound formed from carbon and oxygen. The number of molecules  in one mole of CO is equal to Avogadro number. Mass of a compound  with one mole of amount is called its molar mass.

Number of molecules of CO in one mole  =  6.02 × 10²³  

Number of moles of 2.66 × 10¹⁵ molecules  = 2.66 × 10¹⁵/  6.02 × 10²³   = 4.41 × 10 ⁻⁹ moles.

Then mass of one mole of CO =  28 g/mol

mass of 4.41 × 10 ⁻⁹ moles of CO = 4.41 × 10 ⁻⁹ ×  28 = 1.23 × 10⁻⁷ g

Therefore, mass of CO in  2.66 × 10¹⁵ molecules of CO is 1.23 × 10⁻⁷ g.

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because we are given the concentration of the hydroxide ion(OH⁻), we will first find the the concentration of [H⁺] ions and find the pH from there.

Finding the concentration of H⁺ ions:

we know the relation:

[OH⁻]*[H⁺] = 10⁻¹⁴                      [square brackets denote the concentration]

(10⁻⁴)[H⁺] = 10⁻¹⁴

[H⁺] = 10⁻¹⁰                                [multiplying both sides by 10⁴]

Finding the pH:

pH = -log[H⁺]

pH = -log(10⁻¹⁰)

pH = 10

Answer:

given:

abcissa(x-coordinate) of given point: -6

let's say the ordinate(y-coordinate) of the given point is y

distance of the given point from (1,3) = √74

we can rewrite the given information as:

the distance between the points (-6,y) and (1,3) is √74

finding y:

we know that in order to find the distance between any two points, we use the distance formula, which goes as

We can see here that the catalytic cycle for the hydrogenation of alkenes using Wilkinson's catalyst involves several steps.

Here's an overview of the catalytic cycle, including the necessary details:

i. Chemical structure of the catalyst:

Wilkinson's catalyst, also known as chloridotris(triphenylphosphine)rhodium(I), has the following chemical structure: [RhCl(PPh3)3]

ii. Molecular geometry of the catalyst:

The Wilkinson's catalyst has a trigonal bipyramidal geometry around the rhodium center. The three triphenylphosphine (PPh3) ligands occupy equatorial positions, while the chloride (Cl) ligand occupies an axial position.

iii. Type of reactions involved:

The catalytic cycle involves several reactions, including:

iv. Starting material, reagent, and solvent:

The starting material is an alkene, and the reagent is Wilkinson's catalyst ([RhCl(PPh3)3]). The reaction is typically carried out in a suitable solvent, such as dichloromethane (CH2Cl2) or tetrahydrofuran (THF).

v. Major and minor end-products:

The major end-product of the hydrogenation reaction is the fully saturated alkane, resulting from the addition of hydrogen across the double bond. The minor end-product may include cis- or trans-configured alkanes if the original alkene substrate possesses geometric isomers.

vi. Intermediates:

The intermediates in the catalytic cycle include:

These intermediates play a crucial role in facilitating the hydrogenation reaction and enabling the catalytic cycle to proceed.

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Answer:

The reaction referred to in this question is likely the reaction between hydrated copper(II) sulfate and anhydrous copper(II) sulfate, where the former is blue and the latter is white.

When the blue solution of hydrated copper(II) sulfate is exposed to moist air, it slowly turns white as water is absorbed, forming anhydrous copper(II) sulfate. This reaction is exothermic, meaning it releases heat, and is reversible. The reverse reaction occurs when anhydrous copper(II) sulfate is exposed to water vapor in the air, forming hydrated copper(II) sulfate and releasing heat.

In coastal areas, the humidity in the air tends to increase before a storm, which can trigger the reverse reaction between anhydrous copper(II) sulfate and water vapor. This releases heat, causing the weather-forecasting device to warm up, indicating that rain may be on the way.

Therefore, the observation of the blue solution turning white in the lab, which indicates the reversible reaction between hydrated copper(II) sulfate and anhydrous copper(II) sulfate, can indirectly indicate the presence of moisture in the air and the possibility of rain, similar to the process in weather-forecasting devices.

Answer:

C4H9

Explanation:

If H = 15.88%

Then C = 100.00 – 15.88 = 84.12

Divide each % value by respective atomic mass

H = 15.88/1 = 15.88

C = 84.12/12 = 7.01

Divide through by smaller value

H = 15.88/7.01 = 2.26

C = 7.01/7.01 = 1

Remove fraction , multiply by 4

H = 9

C = 4

Empirical formula = C4H9

The hydrocarbon could be ( C4H9)2 = C8H18 = octane.

Answer:

Koh of 60 and a half

Explanation:

The vapor pressure of the SiCl₄ in the mmHg at the 33.0 °C is the 312 mmHg.

The Clausius - Clapeyron equation is as :

ln ( P₂ / P₁ ) = ΔHvap / R ( 1 / T₁ - 1 / T₂ )

P₂ = P₁eˣ

Where,

The temperature, T₁  = 5.4 °C = 278.55 K

The temperature, T₂  = 33.0 °C= 306 K

The pressure, P₁ = 100 mmHg

ΔHvap is the heat of the vaporization = 30.2 kJ /mol = 30200 J/mol

The gas constant, R = 8.314 J / mol K

x = ΔHvap / R ( 1 / T₁ - 1 / T₂ )

x = 30200 / 8.314 ( 1/ 278.55 - 1/ 306 )

x = 1.05

P₂ = 100 \(e^{1.05}\)

P₂ = 312 mmHg

The vapor pressure of the  SiCl₄ is 312 mmHg.

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we would need 2625.13 grams (or 2.62513 kilograms) of NaCl.

To calculate the mass of NaCl required to produce a 26.4 mol/L solution with a 1.7 L volume, we need to use the formula that relates the mass of solute, moles of solute, and molarity:Molarity (M) = moles of solute / liters of solution Rearranging this formula, we get:moles of solute = Molarity (M) x liters of solutionWe can use this formula to find the moles of NaCl needed:moles of NaCl = 26.4 mol/L x 1.7 L = 44.88 molNow, we can use the molar mass of NaCl to convert from moles to grams. The molar mass of NaCl is 58.44 g/mol:mass of NaCl = moles of NaCl x molar mass of NaClmass of NaCl = 44.88 mol x 58.44 g/mol = 2625.13 gTo produce a 26.4 mol/L solution with a 1.7 L volume.

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The food you eat needs to be broken down by digestive enzymes. These proteins hasten the chemical processes that transform food into compounds that can be absorbed by your digestive system.

Thus, There are digesting enzymes in your saliva. They are also expelled by a few of your organs, such as the liver, gallbladder, and pancreas.

This occurs when your small intestine doesn't produce enough lactase, an enzyme that breaks down lactose, a natural sugar found in milk.

When lactase levels are low, lactose from dairy products you consume goes straight to your colon rather than being absorbed by your body. After then, it mixes with bacteria to produce unpleasant stomach symptoms and enzymes.

You have a gene that predisposes you to lactose intolerance. The gene is most prevalent in individuals with African, Asian, or Hispanic ancestry. As a youngster, your lactase levels abruptly decrease and digestive system.

Thus, The food you eat needs to be broken down by digestive enzymes. These proteins hasten the chemical processes that transform food into compounds that can be absorbed by your digestive system.

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Answer:

It sounds like the writer's experiences of scouting have had a profound impact on his life. He values the connection with nature and the skills he learnt, as well as the importance of preserving the environment for future generations. He also mentions the words and phrases associated with scouting, which he says can act as a reminder of the experience and the joy he felt during his time in the Scouts. It's clear that the writer values the experiences of scouting and has a strong appreciation for the outdoors.

Answer: They serve as proof that an established and documented work can be verified, repeated, and reproduced.

Explanation: Reproducibility and research integrity are essential tenets of every scientific study and discovery. They serve as proof that an established and documented work can be verified, repeated, and reproduced. New knowledge in biomedical science is built on the shoulders of established and proven principles.

Answer:

Evidence of accuracy

Explanation:

it creates new opportunities for insights and facilitates innovation in terms of scientific knowledge.

Types of luminous flames:

1. Yellow Luminous Flame

2. Smoky Luminous Flame

3. Orange Luminous Flame

4. Blue Luminous Flame

Luminous flames are characterized by their visible glow, which is caused by the incomplete combustion of fuel. The presence of soot particles in the flame causes the emission of light. There are different types of luminous flames, which can be classified based on their fuel composition and burning conditions. Here are some common types of luminous flames:

1. Yellow Luminous Flame: This is the most common type of luminous flame, often seen in open fires, candles, and gas stoves. It appears yellow due to the presence of soot particles in the flame. Yellow flames indicate incomplete combustion of hydrocarbon fuels, such as methane, propane, or natural gas. The high carbon content in these fuels leads to the formation of soot, which emits visible light.

2. Smoky Luminous Flame: This type of flame is characterized by a significant amount of black smoke and soot production. It is commonly observed in poorly adjusted or malfunctioning burners or engines. The excessive presence of unburned fuel in the flame results in incomplete combustion and the emission of dark smoke particles.

3. Orange Luminous Flame: An orange flame indicates a higher combustion temperature compared to a yellow flame. It is often seen in more efficient burners or when burning fuels with a higher carbon content, such as oil or diesel. The higher temperature helps in burning more of the carbon particles, reducing the amount of soot and making the flame appear less yellow.

4. Blue Luminous Flame: A blue flame is typically associated with complete combustion. It indicates efficient burning of fuel, resulting in minimal soot formation. Blue flames are commonly observed in gas burners or Bunsen burners. The blue color is a result of the combustion of gases, such as methane, in the presence of sufficient oxygen.

It's important to note that the luminosity of a flame can vary depending on factors such as fuel-air mixture, combustion temperature, and the presence of impurities. Achieving complete combustion and minimizing the production of soot is desirable for efficient and cleaner burning processes.

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To solve this problem, we need to consider the energy required to warm the ice cube from -18.5°C to 0°C, the energy required to melt the ice cube, and the energy required to warm the melted water from 0°C to 55°C. Let's calculate the energy for each step and determine the number of ice cubes needed.

Warming the ice cube to 0°C:

The specific heat capacity of ice is 2.05 J/g°C. The temperature change is from -18.5°C to 0°C. Therefore, the energy required to warm the ice cube can be calculated as:

Energy = mass × specific heat capacity × temperature change

Energy = 24 g × 2.05 J/g°C × (0°C - (-18.5°C))

Energy = 24 g × 2.05 J/g°C × 18.5°C = 899.4 J

Melting the ice cube:

The heat of fusion (specific latent heat of fusion) of water is 334 J/g. We need to determine the energy required to melt the ice cube. The mass of the ice cube is 24 g, so the energy required can be calculated as:

Energy = mass × heat of fusion

Energy = 24 g × 334 J/g = 8016 J

Warming the melted water from 0°C to 55°C:

The specific heat capacity of water is 4.184 J/g°C. We need to determine the energy required to warm the melted water from 0°C to 55°C. The mass of the melted water can be calculated by subtracting the mass of the ice cube that melted from the initial mass of the ice cube (24 g).

Mass of melted water = 24 g - 24 g = 0 g (since all the ice melted)

Therefore, no additional energy is required for this step.

Now, let's add up the energy required for each step to determine the total energy needed to cool the coffee from 85°C to 55°C:

Total energy required = Energy to warm the ice cube to 0°C + Energy to melt the ice cube

Total energy required = 899.4 J + 8016 J = 8915.4 J

Given that each ice cube provides 8915.4 J of energy, we can determine the number of ice cubes needed to cool the coffee.

Energy per ice cube = 8915.4 J

Energy required to cool the coffee = Total energy required = 8915.4 J

The number of ice cubes needed = Energy required to cool the coffee / Energy per ice cube

Number of ice cubes needed = 8915.4 J / 8915.4 J = 1

Therefore, you would need to add 1 ice cube to your 355 mL cup of coffee to bring it to 55°C.

The correct answer is A. 1.

Answer:

False.

Explanation:

The gaseous state generally has a higher entropy than the liquid state, as the molecules in the gas phase have more disorder and freedom of movement. Therefore, C2H5OH(g) would have a higher entropy value than C2H5OH(1) (which I assume refers to the liquid phase).

Answer:

the amount of water vapor in the air compared to the amount it can hold

Explanation:

By definition, relative humidity is equal to the partial pressure of water divided by the total amount of water that the air can hold at that temperature. The last one basically restates the definition. (Partial pressure is the number of particles of a substance divided by the total number of particles.)

(Have a nice day too! Don't hesitate to ask any questions)

Answer:

Possibly the addition of oxygen from the atmosphere

Explanation:

The absorption of energy from atmosphere causes a rise in mass than the initial mass of a substance.

Absorption of energy can increase the mass of a certain substance while release of energy can decrease the mass of a certain substance. For example, when we freeze liquid water, it forms ice. So, its weight increases when it changes its state from liquid to solid. In the same way when liquid water is boiled, upon vaporization it forms water vapor, which is lighter in mass than liquid water. Thus, we can say that temperature also has a role to play in the increase and decrease of mass of a certain substance compared to its initial mass.

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The question should be

What causes the mass to be higher than the initial mass?

Solution : An oxidation reduction (redox) reaction is a type of chemical reaction that involves a transfer of electrons between tow species an oxidaion reductin reaction is any chemical reaction in which the oxidation number of a molecule atom or ion changes by gaining or losing an electron

The carrying capacity of the area was reduced in the year 10 according to the graph that shows the number of foxes on the island over a span of 15 years.

The graph shows a population of foxes over a span of 15 years. The y-axis represents the number of foxes on the island, while the x-axis represents time. The study began with the earlier 0 and ran until the start of year 15. According to the graph, the carrying capacity of the area was reduced in the year 10.

In the graph, it is shown that the population of foxes on Sunday Gill island had a significant increase from year 0 to year 3. After year 3, the fox population started to decrease and then remained fairly constant until year 10. After year 10, the population of foxes on the island started to decline more rapidly until the end of the study in year 15

This decline in the population of foxes on the island is most likely due to the reduction in carrying capacity of the area. Carrying capacity refers to the maximum number of individuals that an environment can sustain. When the carrying capacity of an environment is reached, it means that the environment can no longer provide the necessary resources to sustain the population.  

There are various factors that can cause a reduction in carrying capacity, such as environmental degradation, competition for resources, or a natural disaster. In this case, it is not clear what caused the reduction in carrying capacity in year 10, but it is likely that it was due to some environmental factor that impacted the availability of resources for the fox population.
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Answer: metal turn orange and weaker as it gets oxidised

Explanation:

Answer:

B

Explanation:

2.8.1 Na

2.8.2 Mg

and so on and so forth

Answer:

Natural gas

Explanation:

Natural gas is a gaseous fossil fuel produced from organic matter that is used to heat homes and cook food.

Natural gas is one of the most volatile part of hydrocarbons that exist together with fossil fuel.

Wiring that is covered with orange conduit may contain wiring with voltage levels between 42 and 100 volts is true

Orange conduit is a type of protective covering that is used to enclose electrical wiring. It is often used to indicate that the wiring inside contains low-voltage circuits, which are those with voltage levels between 42 and 100 volts. Low-voltage wiring is used in a variety of applications, including lighting, security systems, and communications systems. It is typically safe to work with, but it is important to follow proper safety procedures and use appropriate tools and protective gear when handling it. Orange conduit is just one of several colors of conduit that are used to indicate the voltage level of the wiring inside. Other colors that may be used include yellow (for medium voltage), red (for high voltage), and black (for extra high voltage).

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The false statement about light is:

e. all of the above statements are true.

The speed of light in a vacuum is constant at approximately 3 00 x 10 8 m/s

light does travel much faster than sound which has a speed of around 343 meters per second

a photon is a packet of light energy and the energy of a photon is proportional to its frequency the wavelength of light is

a characteristic feature that determines its color therefore statements a b c and d are true

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Acid will be diluted by water, resulting in a reduction in the concentration of H+ ions. As a result, the solution's pH will rise.

The exothermic reaction that occurs when concentrated acid is mixed with water might result in burns due to the heat that is produced. On the other hand, when acid is gradually added to water while swirling continuously.

A basic solution's pH lowers and its hydroxide ion concentration decreases when water is added to it. The pH of the solution drops gradually toward 7 as additional water is added, and it gradually becomes less alkaline.

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Based on the given reaction, the acid-base pairs in this reaction are:

An acid-base pair refers to a set of two chemical species that are related through the transfer of a proton (H+ ion) during a chemical reaction.

One species acts as an acid by donating a proton, while the other acts as a base by accepting that proton.

In the given reaction:

HCO₃⁻ (aq) + NH₃ (aq) → NH₄⁺ + CO₃²⁻

An acid-base pair can be identified as follows:

HCO₃⁻ (bicarbonate ion) can act as an acid by donating a proton (H⁺), becoming CO₃⁻.

NH₃ (ammonia) can act as a base by accepting a proton (H⁺), becoming NH₄⁺ (ammonium ion).

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Rate = 1.321M/s[H₂CO₃]¹ ; k = 1.32M/s

Answer:

negative charge

Explanation:

Neutrons have no charge, protons have positive charge, and electrons have a negative charge