In color addition, what colors of light added together in equals amounts make white light

A. Red and magenta
b. Blue and yellow
C. Red and yellow
D. Green and cyan

A rainbow is produced through a proces that includes refraction, reflection, and dispersion of  sunlight.

A rainbow is formed when sulinght is refracted and reflected by rain drops in the atmospher.

The sunlight is split into its component colors, which is why rainbows appear as having an array of colors. This is due to each color being bent by a different amount during refraction.

The colors of a rainbow are always in the same order, with red on the outside and violet on the inside.

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If the efficiency of a machine increases, it means that the machine is able to convert a higher percentage of its input energy into useful work output.

This could happen due to various factors, such as reducing friction, improving the design of the machine, or using more efficient components. The machine requires less energy input to perform the same amount of work. This could result in cost savings, reduced energy consumption, and lower environmental impact.

The output of the machine increases while the input remains constant. This could result in increased productivity, faster production rates, and improved performance. The wear and tear on the machine may decrease, as it is working more efficiently and experiencing less stress. This could result in longer machine life and reduced maintenance costs. Increasing the efficiency of a machine can have many positive effects, including cost savings, improved performance, and reduced environmental impact.

The complete question is

If the efficiency of a machine increases, what happen?

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Answer:

Batteries get its power from the stored energy inside it- chemical energy- which is then converted into electrical energy. The flow of the electrons allow the electric current to do work.

Explanation:

Answer: A

Explanation: Just took the test

Relative and average atomic mass both describe properties of an element related to its different isotopes. Out of these two Relative atomic mas is more accurate. Therefore, the correct option is option D that is the weight of the probe will decrease.

Mass defines the quantity of a substance. It is measured in gram or kilogram. Average mass is the mass of atoms of an element that are isotopes. It can be calculated by multiplying mass of a isotope to natural abundance of that isotope.

The relative mass is the mass that is with respect to mass of a matter that is considered as standard. In chemistry relative mass is equal to the mass of one-twelfth the mass of C-12 isotope .

% relative error=(Difference in weight÷ original weight)×100

The weight of the probe will decrease.

Therefore, the correct option is option D that is the weight of the probe will decrease.

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The statement the most abundant isotope of Hydrogen has a mass of 1 amu is wrong.

The average atomic mass could be obtained as the sum of the products of the percentage abundance of each of the hydrogen isotopes and the mass of the isotope.

We know that every element has isotopes. In every sample of the atom, there are various isotopes of the element. Thus the average atomic mass must take into account the masses of all these isotopes.

As such, the statement the most abundant isotope of Hydrogen has a mass of 1 amu is wrong.

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A contraption that swiftly prepares food is run by infrared rays. Microwaves employ infrared rays to heat meals by warming any water that may be present.

Numerous food production processes, including drying, boiling, heating, peeling, polyphenol recovery, freeze-drying, antioxidant recovery, microbiological inhibition, sterilizing grains, baking bread, roasting food, making juices, and cooking food, all use infrared technology.

Infrared radiation has the ability to ease or release muscle tension and encourage local blood circulation in the body. Infrared radiation has been used in conventional and modern medicine to treat conditions including autoimmune diseases and issues with wound healing in addition to relieving muscle pain and tension.

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Answer:

Solutions having solvent in solid-state and solute in the gaseous state are called gas-solid solution. Hydrogen is a gas at STP and platinum is solid. Hence, Hydrogen gas adsorbed on the surface of platinum is an example of gas in solid solution.

1.4 x 1023 molecules are present in 2.3 moles of oxygen.

We know that if we multiply the 2.3 moles of oxygen with Avogadro's number which is 6.023 x 1023 then this will give us the number of molecules which is present in the 2.3 moles of oxygen and which is 13.85 x 1023.

Mole is a standard scientific unit for measuring large quantities of very small entities like atoms, molecules, or other specific particles. The mole entitles an extremely large number of units about 6.02214076 × 1023.

So we can conclude that by multiplying Avogadro's number with the 2.3 moles of oxygen then it will give us 1.4 x 1023 molecules.

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Answer:

Explanation:

i don't quite know what the question is here, but...

6+12=18  or Amanda's ball is heavier so the ball would have a hard time, again I don't know what the real question is here

Answer:

Amanda’s ball is heavier so it’s harder throw

Explanation:

Claim: The reason why Amanda was having such a hard time was because she choose a heavier ballEvidence: Jason had no problem with his ball which was 6lb but Amanda was struggle with double the weight of Jason’s ball weight which was 12lb having more mass.Reasoning: Jason picked up a ball with less mass weighting at 6 pounds but because of this his ball was much easier to roll. This was due to Newton’s second law since he had such a lighter ball it was easier for him to through. Newton’s second law is force equal mass times acceleration (f=ma). The opposite could be said about Amanda her ball was so heavy that’s why it was harder to throw. When the mass of Amanda's ball is thrown onto the alley it goes slower because it has much more mass to weight it down, giving the ball less acceleration. 

Answer:

its sodium hydroxide

Explanation:

Answer:

because the water would diloute the chemicals in the vinegar

Explanation:

The root mean square speed of F2(g) molecules under the same conditions is approximately 431.3 m/s.

The root mean square (rms) speed of a gas molecule is related to its average kinetic energy (KE) by the following equation:

rms speed = √(3RT/M)

Where

To solve for the rms speed of F2(g) molecules, we need to know the temperature and molar mass of F2(g). Let's assume that the temperature is the same as the conditions in which He(g) has an average kinetic energy of 7450 J/mol. The molar mass of F2 is 2 x the molar mass of one fluorine atom, which is approximately 19 amu.

Substituting these values into the equation, we get:

Now we can solve for the rms speed by plugging in the given value of average kinetic energy for He(g) and solving for T:

7450 J/mol = (1/2) x (3/2) x R x T

T = 7450 J/mol / (1.5 x 8.314 J/mol·K)

T = 597 K

Substituting this value of T into the equation for rms speed, we get:

rms speed = √(0.6564 J/K x mol x 597 K / 1 mol)

rms speed = 431.3 m/s

Therefore, the root mean square speed of F2(g) molecules under the same conditions is approximately 431.3 m/s.

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Answer:

UV or Gamma Rays

Explanation:

X-rays: 10^-10

UV: 10^-8

Gamma Rays: 10^-12

The formula of manganese (IV) oxide is MNO2

The formula for manganese (IV) oxide is \(MnO_4\). Therefore, the correct option is A.

A manganese atom is bonded to four oxygen atoms to produce an inorganic compound known as manganese(IV) oxide with the chemical formula \(MnO_4\). It is often referred to as manganese dioxide. The +4 oxidation state of a manganese compound is indicated by the Roman numeral "IV" in the name.

Pyrolusite, a naturally occurring mineral, is a dark brown or black solid consisting of manganese(IV) oxide. Due to its favorable properties, it is often employed in a wide variety of applications. It acts as a catalyst, especially when breaking down hydrogen peroxide. Additionally, it is used to make batteries, ceramics, glass and pigments.

Therefore, the correct option is A.

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Answer:

b I think if it's wronged sorry

The Safety Data Sheet (SDS) for regular bleach can be obtained from the manufacturer or supplier of the specific brand or product. It contains important information regarding the hazardous properties, handling, storage, and emergency procedures related to the bleach.

An SDS typically includes details such as the product's chemical composition, physical and chemical properties, potential hazards to health and the environment, precautionary measures for safe handling and storage, first-aid procedures, and information about proper disposal. It also provides guidance on personal protective equipment (PPE) to be used when handling the product and steps to take in case of accidental release or exposure.

The SDS serves as a crucial resource for understanding the potential risks associated with the use of regular bleach and helps ensure that appropriate safety measures are implemented. It is important to review and follow the information provided in the SDS to minimize the risk of accidents, injuries, or adverse health effects associated with the use of the product.

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Answer:

0.725 kg

Explanation:

Step 1: Given data

Step 2: Calculate the mass of the softball

We will use the following expression.

K = 1/2 × m × v²

m = 2 K / v²

m = 2 × 145 J / (20.0 m/s)²

m = 0.725 kg

The mass of the softball is 0.725 kg.

The number of people can be changed by reducing them in other to increase the sleigh's acceleration.

This is referred to as the rate at which velocity changes with time, in terms of both speed and direction and it is a vector quantity.

Fewer people would increase the sleigh's acceleration because more weight usually have a slower acceleration and light weight have a faster acceleration because of the high force which is needed to move the body thereby making it the correct choice.

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Answer:

I think you should go read up on the periodic table

Answer:

3. 39 39 54

Explanation:

Atoms are the smallest units of matter that have the characteristics of a chemical element. They consist of small particles called protons, electrons, and neutrons.

Protons are positively charged particles that make up the nucleus of the atom along with neutrons, neutrally charged particles. Their mass is almost the same - about 1 AMU (atomic mass unit). Electrons, the negatively charged particles, are much lighter than them and don't significantly contribute to the mass of the atom. Their mass is equal to about 1/2000 of the mass of a proton or neutron.

This is why we need to determine which atom out of the ones you were given has the highest number of protons and neutrons. The first has 91, the second 90, the third 93, and the fourth 91. This means that the third atom has the highest mass.

The name of the following compounds is methylene, methyl, hexane hex-3-ene, octane, pent-1-ene propan-1-ene, propyne, Propane respectively.

What is molecular compound?

Molecular compounds are inorganic compounds that take the form of discrete molecules. Examples include such familiar substances as H2O and carbon dioxide (CO2) . These compounds are very different from ionic compounds like sodium chloride (NaCl). Ionic compounds are formed when metal atoms lose one or more of their electrons to non-metal atoms. The resulting cations and anions are electrostatically attracted to each other.

So, what holds the atoms of a molecules together?

Rather than forming ions, the atoms of a molecule share their electrons such that the way that a bond forms between a pair of atoms. In a carbon dioxide molecule, there are two of these bonds, each occurring between the carbon atom and one of the two oxygen atoms.

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Molecular polarity is important for life because it plays a crucial role in many biological processes.

Molecular polarity refers to the distribution of electrical charge within a molecule. It is a property that results from differences in the electronegativity of the atoms in a molecule.

Molecular polarity is important for life because many biological molecules, including proteins, DNA, and carbohydrates, are polar, meaning they have regions of positive and negative charge.

This allows them to interact with other polar molecules, such as water, through hydrogen bonding, which helps to stabilize their structures and maintain their functionalities.

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Coenzyme q carries electrons from complex I to complex III  and complex II to complex III  in the electron-transport chain.

Coenzyme q  (CoQ), also known as ubiquinone, is the electron carrier in the electron transport system (ETS) present on the inner membrane of mitochondria.

Ubiquinone is a ubiquitous quinone, which accepts electrons from complex II ( succinate dehydrogenase) and  reduces to ubiquinol ( reduced form)

The purpose of the ETS is to generate an H+ ion concentration, by carrying electrons obtained from NADH AND \(FADH_{2}\)   produced by the Krebs cycle and glycolysis in the mitochondrial matrix. This  H+ ion potential will be used by ATP synthase to generate ATP.

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The inner mitochondrial membrane contains CoQ, a key part of the mitochondrial electron transport chain (ETC), which moves electrons from complexes I and II to complex III to provide energy for proton translocation to the intermembrane gap.

An organelle called a mitochondrion can be found in the cells of the majority of Eukaryotes, including mammals, plants, and fungi. Adenosine triphosphate, which is produced by aerobic respiration in mitochondria with their double membrane structure, is used as a source of chemical energy throughout the entire cell.

Coenzyme Q10 takes electrons from reducing equivalents produced during the metabolism of fatty acids and glucose and then transports them to electron acceptors as part of the mitochondrial electron transport chain.

Ubiquinone, also known as coenzyme Q, is a lipophilic molecule that is found in all tissues and cells and is mostly found in the inner mitochondrial membrane. It is generally known that Coenzyme Q is an essential part of the oxidative phosphorylation process in mitochondria.

Thus, The inner mitochondrial membrane contains CoQ, a key part of the mitochondrial electron transport chain (ETC).

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Answer: In the Western United States and Canada, open range is rangeland where cattle roam freely regardless of land ownership. ... Land in open range that is designated as part of a "herd district" reverses liabilities, requiring an animal's owner to fence it in or otherwise keep it on the person's own property.

Explanation: Mark me as brainliest

Answer: it is D

Explanation: got it wrong so y’all can get it right

Answer:

D. 200 meters

Hope this helps!

Explanation:

The energy that is released by 1Kg of octane is 47872 kJ while the heat that is enthalpy of formation of the mercury oxide is -181.6 kJ mol–1.

We know that the enthalpy of combustion has to do with the heat that is evolved when we burn one mole of a substances in oxygen. We need to first obtain the number of moles of the octane as follows;

Number of moles = mass/molar mass = 1 * 10^3 g/114 g/mol = 8.8 moles

If 1 mole of octane produces 5440 kJ of heat

8.8 moles of octane would produce 8.8 moles *  5440 kJ/1 mole

= 47872 kJ

b) Given that the heat that the energy that is required to decompose the compound is 181.6 kJ mol–1 then the enthalpy that is required to form the compound is -181.6 kJ mol–1.

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