If 2 photons of light have different colors, would their speeds differ? Would their energy? explain

Answer:

incomplete information data is not complete so that is why we cannot answer it

Answer:

Explanation:

a. Double Replacement: CH3COOH(aq) + NaHCO3(aq) --> CH3COONa(aq) + H2O(l) + CO2(g)

b. Decomposition: H2CO3(aq) --> H2O(l) + CO2(g)

c.Overall: CH3COOH(aq) + NaHCO3(aq) --> CH3COONa(aq) + H2O(l) + CO2(g) + CO2(g)

Plants, like all living organisms, need water to survive and grow. Some plants, however, are adapted to thrive in conditions of limited water/hydration levels, and they have evolved certain cellular structures to assist them in doing so. The two cellular structures that aid plants when faced with limited water/hydration levels are the vacuole and the mitochondria.

The vacuole is an organelle that stores water and other substances in plant cells. Vacuoles aid in the maintenance of turgor pressure, which is the pressure exerted by the plasma membrane against the cell wall. Turgor pressure is essential to plant cells because it provides structural support and aids in the absorption of nutrients and water.

When water is scarce, vacuoles release stored water into the cytoplasm of the plant cell to help maintain turgor pressure. Vacuoles also store and transport other essential molecules, including ions, enzymes, and waste products, that are necessary for plant growth and development.

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According to Hooke's law, stretching frequencies are dependent on: a. Bond strength and molar masses of the atoms

Hooke's law states that the force needed to extend or compress a spring by some distance is proportional to that distance. In the context of molecular vibrations, this law is applied to the forces acting on atoms in a bond. The stretching frequency of a bond is influenced by the bond strength (which relates to the force constant) and the molar masses of the atoms involved in the bond. These factors determine the vibrational frequency of the bond, with stronger bonds and lighter atoms resulting in higher frequencies.

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Answer:

C

Explanation:

Dalton's atomic theory are: Everything is composed of atoms, which are the indivisible building blocks of matter and cannot be destroyed. All atoms of an element are identical. The atoms of different elements vary in size and mass.

Dalton's atomic theory opines that atoms of the same element are identical in size, mass, and other properties and are different from atoms of other elements.

In addition, Dalton theorized that atoms can neither be created nor destroyed, and they are the smallest indivisible particle of elements.

He also proposed that atoms of different elements are also able to combine in whole number ratio to form compounds.

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Answer:

It's a Sodium Atom

Answer:

B

Explanation:

A part that is metal because all alloys are made up of different metals and have metallic properties.

Answer:

B

Explanation:

because it melts

Answer:

Anaerobic respiration takes place in the absence of oxygen.

Anaerobic respiration in yeast is used during brewing and bread-making.

Explanation:

glucose → ethanol + carbon dioxide.

C 6H 12O 6 → 2C 2H 5OH + 2C0 2.

Answer:

Yes

Explanation:

Some environmental factors- chemical, physical (UV), and biological (poisonous plants)- have the capability to damage DNA. This can lead to mutation, cell death, and several ailments.

Chemicals such as pesticides and heavy metals can be found in the environment (air, water) or in some consumer products.

The presence of Lead and a reactive oxygen species can result in DNA damage. Arsenic is classified as a carcinogen (cancer-causing substance).

More details are found in scientific articles online, but here's a helpful snippet- "heavy metal exposure can contribute to genetic damage by inducing double strand breaks (DSBs) as well as inhibiting critical proteins from different DNA repair pathways"

Lead and arsenic are heavy metals that are considered carcinogens. These metals cause alteration and damage to the genetic material and protein synthesis.

Carcinogens are said to be a substance that can lead to cancer in an organism and are produced naturally from viruses and ultraviolet rays or mna made by cigarette smoking and chemicals.

Their high exposure causes the breaking of the double strand of the DNA molecule in the cells that inhibits and prevents protein formation leading to interference with the DNA repair pathways.

Cadmium, lead, arsenic, etc., are heavy metals that are released by human activities and alter the genetic mechanism and composition leading to mutation and disorders like skin cancers, lung cancer, etc.

Therefore, lead and arsenic is carcinogens that damage DNA.

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Answer:

im solving now

Explanation:

Answer:

0.00079

Explanation:

Any zero after the decimal isn’t a significant figure

A mix that has one-and-one-half times more liquid than powder is a wet bead.

In the context of bead making, the consistency of the mix is an essential factor in determining the final properties of the bead. A "wet" bead is one where the mix has more liquid than powder, typically in a ratio of 1.5 to 1 or more. Wet beads are often easier to shape and manipulate during the bead-making process, but they may take longer to dry and may be more prone to cracking or other defects. The specific ratio of liquid to powder will depend on the type of beads being made and the desired properties of the final product.

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Answer:

53977.5g

Explanation:

1lb = 2.205

119 ×\(\frac{1lbs}{2.205kg} = 53.9775\)×\(\frac{1000g}{1kg}\) = 53977.5g

To calculate the theoretical yield of potassium alum, we need to determine the number of moles of aluminum present in the 1.16 g sample and then use the stoichiometry of the reaction to find the corresponding number of moles of potassium alum.

Therefore, the theoretical yield of potassium alum that could be obtained in the reaction is approximately 10.23 grams.

First, we calculate the number of moles of aluminum using its molar mass:

Number of moles of aluminum = Mass of aluminum / Molar mass of aluminum

= 1.16 g / 26.98 g/mol (molar mass of aluminum)

≈ 0.043 moles

Next, we use the balanced chemical equation for the reaction between aluminum and potassium alum to find the mole ratio between aluminum and potassium alum. The balanced equation is:

2 Al + K2SO4 · Al2(SO4)3 + K2SO4

From the balanced equation, we see that 2 moles of aluminum react to form 1 mole of potassium alum.

Therefore, the theoretical yield of potassium alum is:

Theoretical yield = Number of moles of aluminum * (1 mole of potassium alum / 2 moles of aluminum)

= 0.043 moles * (1 mole / 2 moles)

= 0.0215 moles

Finally, we convert the number of moles of potassium alum to grams using its molar mass:

Theoretical yield in grams = Theoretical yield in moles * Molar mass of potassium alum

= 0.0215 moles * 474.39 g/mol (molar mass of potassium alum)

≈ 10.23 g

Therefore, the theoretical yield of potassium alum that could be obtained in the reaction is approximately 10.23 grams.

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Answer: Darmstadtium

Hope that helped

Answer:

Ununnilium

Explanation:

Uun on the table of elements is Ununnilium.

Balanced equation: C₂H₄ + 3O₂ → 2CO₂ + 2H₂O

O₂ required: 3/1 x moles C₂H₄ = 3/1 x 6.51 = 19.53 moles

For a reaction to be spontaneous, the change in enthalpy (ΔH) should be negative (exothermic), and the change in entropy (ΔS) should be positive (increase in disorder). The Gibbs free energy (ΔG) can be used to determine the spontaneity, where a negative value of ΔG indicates a spontaneous reaction.

The change in enthalpy (ΔH) and change in entropy (ΔS) values provide important information about the spontaneity of a reaction. For a reaction to be spontaneous, it should have a negative ΔH (exothermic) and a positive ΔS (increase in disorder).

1. If ΔH is negative, it means that the reaction releases energy in the form of heat. This is favorable for a spontaneous reaction because it indicates that the products are more stable than the reactants.

2. If ΔS is positive, it implies an increase in the randomness or disorder of the system. This increase in entropy favors the spontaneity of a reaction since nature tends to move towards higher entropy states.

3. To determine whether a reaction is spontaneous, we can use Gibbs free energy (ΔG). The relationship between ΔH, ΔS, and ΔG is given by the equation: ΔG = ΔH - TΔS, where T represents temperature. If ΔG is negative, the reaction is spontaneous.

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Answer:

The answer is allotropes

Explanation:

As known by studying and research the ansqer came out to be allotropes

The temperature change obtained by Al is accurate

From the question, we were told that the thermometer is faulty, given a reading that is 2.0 °C too high.

Al obtained a temperature change of 11.4 °C.

This value (11.4 °C.) is consider accurate because twhen we subtract 2 from both the initial and final temperature, the change in temperature obtained will still be the same. This is illustrated below:

ΔT = T₂ - T₁

ΔT = 54.7 - 43.3

ΔT = 11.4°C

Thus, we can see that the result obtained is still 11.4°C. Therefore, the temperature change obtained by Al is accurate

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Answer:

Divide mass by volume. you get 3

Explanation:

This is a perfect answer

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The term used to describe the energy required by the body at rest is one Met (metabolic equivalent). It represents the amount of energy expended by an individual while at rest.

One Met (metabolic equivalent) is defined as the resting metabolic rate (RMR) or the energy expenditure of an individual while at rest. It is a unit used to quantify the energy requirements of various activities relative to the resting metabolic rate. One Met is approximately equal to the amount of energy expended by an individual at rest, which is about 3.5 milliliters of oxygen uptake per kilogram of body weight per minute (3.5 ml O2/kg/min).

The concept of Met is often used in exercise prescription, where different activities are assigned a Met value to estimate the energy expenditure during physical activities. For example, light-intensity activities are typically assigned a value of 2-3 Met, moderate-intensity activities range from 3-6 Met, and vigorous-intensity activities have a Met value greater than 6.

By using Met values, individuals can estimate the energy requirements of different activities and tailor their exercise routines accordingly. It provides a standardized way to compare and quantify the energy expenditure associated with various levels of physical activity.

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Answer:

diseases where microbes are the immediate cause are called infectious diseases. Infectious diseases are disorders caused by organisms — such as bacteria, viruses, fungi or parasites. Many organisms live in and on our bodies. They're normally harmless or even helpful.

Answer:

50 moles

Explanation:

took the quiz

A container filled with air at a pressure of 150 kpa a temperature of 27 °c

the final pressure, work, and heat transferred is p=1444.46 Kpa, w=232.23 KJ/KG & Q=0.

Cp = 1.007 KJ/KG

Cv= 0.719 KJ/KG

given T1= 27°c=300k

T2 =350°c=573k

P1=150 kpa

p2= ?

Therefore P1V1=P2V2

P2=1444.46kpa(final pressure)

adiabatic means heat transfer will be zero. Q=0

q=w+Δv

w=-Δv

w=-232.237 KJ/KG

The relationship between temperature and pressure for a given volume of gas is straightforward. Pressure increases in systems when temperature increases and vice versa. The Gay-law Lussac's specifies the link between a gas's pressure and temperature. A rise in air pressure implies a rise in temperature.

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Answer:

2NH3 --> 3H2 + N2

Explanation:

It's hard to explain how I got these coefficients  but I recommend watching Tyler DeWitt on Youttube. He explains tons of chemistry concepts in an easy and clear way. I always watch his videos when I don't understand something.

I would type in "How to balance chemical equation" by Tyler DeWitt

To combine ions to form ionic compounds, we need the combine in such a way that it gets neutral charge.

We can combine each anion with each cation to get the 4 compounds we need.

To combine SO₄²⁻ with Pb⁴⁺ we first find the Least Common Multiple of their charges, 2 and 4.

They have the factor 2 in common, so the LCM is 4. This is the final charge of each that will cancel out.

To get 4+, we only need 1 Pb⁴⁺.

To get 4-, we need 2 SO₄²⁻.

So, the formula is:

Pb(SO₄)₂

To combine SO₄²⁻ with NH₄⁺ is easier because one of them has single charge. In this case, we can simply pick one of the multiple charge ion and the same amount that will cancel its charge of the single charged one.

So, we picke 1 SO₄²⁻, ending with 2-.

And we picke 2 NH₄⁺, ending with 2+.

The formula:

(NH₄)₂SO₄

To combine C₂H₃O₂⁻ with Pb⁴⁺ we do the same, because the anion is single charged.

Pick 1 Pb⁴⁺, ending with 4+.

Pick 4 C₂H₃O₂⁻, ending with 4-.

The formula:

Pb(C₂H₃O₂)₄

To combine C₂H₃O₂⁻ with NH₄⁺, both have same charge, so we just need one of each and their charges will cancel out.

The formula:

NH₄C₂H₃O₂

So, the formulas are:

Pb(SO₄)₂

(NH₄)₂SO₄

Pb(C₂H₃O₂)₄

NH₄C₂H₃O₂