Which term best describes a solution in a typical kitchen that has as much dissolved solute as it can hold?.

The metals in the center of the periodic table are called transition metals. There are 38 transition metals in total.

Answer:

They are called transition metals.

The given statement is true. Scientists who use logic to determine whether or not a drug is safe. These researchers are using the classical model of decision making.

A logical and methodical approach to decision-making is the classical model of decision-making. This model proposes that decision-makers gather all relevant data, thoroughly evaluate the alternatives, then select the alternative that maximises their utility or produces the desired result. This model makes the supposition that decision-makers have full knowledge of all available options, are unbiased and logical in their assessment, and make choices free from prejudice or emotional influence. It employs a sequential procedure that involves recognising the issue, specifying the decision criteria, allocating weight to each, producing alternatives, assessing the alternatives, and selecting the best option.

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The role of oxygen in the functioning of the electron transport chain (ETC) is to act as the final electron acceptor.

It accepts electrons at the end of the electron transport chain, which allows the ETC to continue operating and generate ATP through oxidative phosphorylation.

During aerobic respiration, oxygen combines with electrons and protons to form water in the following reaction:

1/2 O2 + 2 H+ + 2 e- → H2O

This reaction summarizes the fate of oxygen as it accepts electrons and protons from the ETC. The oxygen molecules are reduced to form water, which is a byproduct of aerobic respiration.

This process is crucial for the efficient production of ATP in aerobic organisms. Without oxygen as the final electron acceptor, the electron transport chain would not be able to function properly, leading to a decrease in ATP production and an impairment of cellular energy metabolism.

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Answer:

13

Explanation:

The mass number of an atom is the sum of the number of protons and neutrons.

27 = protons + 14

protons = 13

The number of protons is equal to the atomic number.

Answer: 41 or Niobium

Explanation: To get the number of Protons or Electrons given the number of Neutrons and Mass, you have to add the given numbers. This gives the number of Protons and Electrons which is the same number as the Atomic number. So, 14 Neutrons plus the mass of 27 is equal to 41, which gives the element Niobium

the answer would be 150 m because you just add 60 and 90

Answer:

A all organisms are made of 1 or more cells

During the reaction given above, electrons are transferred from Cu(s) to Ag+ (aq) (option 1).

An ionic equation is a chemical equation in which the dissolved ionic compounds are written as separated ions.

According to this question, a balanced ionic equation is given as follows: Cu(s) + 2Ag+ (aq) → Cu²+ (aq) + 2Ag(s)

Based on the above equation, electrons are transferred from solid copper to silver ion, making copper the reducing agent while silver ion is the oxidizing agent.

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In the above intermediate chemical equation, oxygen will appear as follows: O₂(g) as a reactant (option B).

A chemical equation in chemistry is a symbolic representation of a chemical reaction where reactants are represented on the left, and products on the right.

According to this question, an intermediate chemical equation is presented as follows:

As observed in the above chemical equation, oxygen will react in its gaseous form i.e. as a reactant.

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Answer:

They are products because they are present after the reaction.

Explanation:

A chemical reaction refers to any interaction between two or more chemical species that leads to the formation of new chemical species. The species that interacted with each other are called reactants. They were present before the reaction commenced. The species that were formed after the interaction are called products. They only appear after the reaction.

In cellular respiration, carbon dioxide and water appear after the chemical reactions that take place, hence they are products.

Answer:

They are products because they are present after the reaction.

Explanation:

Answer:

Elements?

Explanation:

Im not sure but I think its elements because carbon dioxide is, and the others sound like it too

Answer: 27 g of Fe2(SO4)3

Explanation:

I'm assuming that there is an error in the original question: Fe2(SO3)4 is not a likely product. Indeed, a reactant of FePO4 would suggest that we are working with Fe atoms with +3 charge, however, the product Fe2(SO3)4 would have Fe atoms with a 0 charge (since SO3 is normally neutral), which is not consistent.

The correct product should be Fe2(SO4)3.

Proceeding under this corrected information:

First we must determine the balanced chemical equation. To do this, start by noting the relevant charges of the reactants:

FePO4:  PO4 = -3 charge,  Fe = +3 charge

Na2SO4:  SO4 = -2 charge,  Na = + 1 charge.

Then, in order to keep the charges balanced, the reaction must be:

\(2 \ \text{FePO}_4 + 3 \ \text{Na}_2\text{SO}_4 \rightarrow 2\ \text{Na}_3\text{PO}_4 + \text{Fe}_2(\text{SO}_4)_3\)

Next, we assume that we have excess Na2SO4. Then,

20 g FePO4  
x 1 mol FePO4 / (150.82 g FePO4)
x 1 mol Fe2(SO4)3 / (2 mol FePO4)
x 399.88 g Fe2(SO4)3 / (1 mol Fe2(SO4)3)
--------------------------
26.51 g Fe2(SO4)3

which we report as 27 g Fe2(SO4)3 after applying significant figures.

Radiocarbon dating, also known as carbon-14 dating, is a method used to determine the age of organic materials. It is based on the radioactive decay of the isotope carbon-14 (14C).

Living organisms constantly absorb carbon, including a small amount of carbon-14, from the atmosphere. When an organism dies, it no longer takes in carbon-14, and the existing carbon-14 begins to decay at a known rate. By measuring the ratio of carbon-14 to stable carbon isotopes (carbon-12 and carbon-13) in a sample, scientists can estimate the time that has elapsed since the organism's death. Radiocarbon dating is effective for dating materials up to about 50,000 years old.

Therefore, both radiocarbon dating and radiopotassium dating rely on the principles of radioactive decay. The decay rates of the isotopes used in these methods are well-established and constant, allowing for accurate age determinations.

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Answer:

1. Isotopes are atoms of an element that consist of the same number of protons but a different number of neutrons.

2. No. of protons = 13

 No. of neutrons = 27 - 13

                            = 14

3. refer to attached file

4(a). Since the noble gases can be found in group 18 of the periodic table, it suggests that they have a complete octet (a full valence shell of electrons), and this allows them to be stable gases that show the least reactivity.

4(b). Since the number of protons and electrons are equal in an atom, the opposite charges are balanced and thus, there is no net charge on the atom (neutrons present in the atom have no charge). Hence, an atom is electrically neutral.

5. Mass no. of X = 6 + 6

                           = 12

   Mass no. of Y = 6 + 8

                           = 14

6. mass number = no. of protons in the nucleus of an atom + no. of neutrons in the nucleus of an atom

atomic number = no. of protons in the nucleus of an atom

isobars = atoms of elements which have the same mass number but different atomic numbers

isotopes = atoms of elements which have the same number of protons but a different number of neutrons

The mass of ferric nitrate, Fe(NO₃)₃ produced from the reaction given the data is 5792.44 g

2Fe + 6HNO₃ –> 2Fe(NO₃)₃ + 3H₂

Molar mass of Fe = 56 g/mole

Mass of Fe from the balanced equation = 2 × 56 = 112 g

Molar mass of Fe(NO₃)₃ = 56 + 3[14 + (16×3)] = 242 g/mole

Mass of Fe(NO₃)₃ from the balanced equation = 2 × 242 = 484 g

SUMMARY

From the balanced equation above,

112 g of Fe reacted to produce 484 g of Fe(NO₃)₃

From the balanced equation above,

112 g of Fe reacted to produce 484 g of Fe(NO₃)₃

Therefore,

1340.4 g of Fe will react to produce = (1340.4 × 484) / 112 = 5792.44 g of Fe(NO₃)₃

Thus, 5792.44 g of Fe(NO₃)₃ were obtained from the reaction

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Naturally occurring elements exist as a mixture of isotopes, and the percentages of each isotope in any given element are constant.

Isotopes are variants of an element that have the same number of protons in the nucleus but different numbers of neutrons. Since the number of protons determines the element's atomic number, isotopes of the same element have the same atomic number but different atomic masses.

For example, carbon-12, carbon-13, and carbon-14 are three isotopes of carbon, with atomic masses of 12, 13, and 14, respectively. The relative abundance of each isotope varies from element to element, but the percentages of each isotope in any given element are constant and can be used to identify the element.

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Answer:B and A

Explanation:

i think

Answer:

Explanation:

The density of a substance can be found by using the formula

\(density = \frac{mass}{volume} \\\)

From the question

mass = 10.3 g

volume = 10 mL

The density is

\(density = \frac{10.3}{10} \\ = 1.03\)

We have the final answer as

Hope this helps you

Answer:

2 g/ml

Explanation:

I got it right on my test.

Answer:

yes I can find a pic of the iodine planetary model

Explanation:

U my friend OMG ^-^

Answer:At the end of chemical reactions, the total mass of the reatants compared to the total mass of the products - c) the mass is the same. Reason : all chemical reactions follow law of conservation of mass which states that mass of reactants and products remains the same

Explanation:hope this help <3

The density of the unknown solid is approximately 109.864 lb/ft³. To convert the density from grams per cubic centimeter (g/cm³) to pounds per cubic foot (lb/ft³), we need to use appropriate conversion factors.

1 gram is equal to 0.00220462 pounds, and 1 cubic centimeter is equal to 0.0000353147 cubic feet.

First, let's convert the density from g/cm³ to kg/m³. Since 1 kg is equal to 1000 grams and 1 cubic meter is equal to 1,000,000 cubic centimeters, we can use the following conversion:

Density in kg/m³ = Density in g/cm³ × 1000 kg/m³ ÷ 1 g/cm³

Density in kg/m³ = 18.5 g/cm³ × 1000 kg/m³ ÷ 1 g/cm³ = 18500 kg/m³

Now, let's convert the density from kg/m³ to lb/ft³. Since 1 kilogram is equal to 2.20462 pounds and 1 cubic meter is equal to 35.3147 cubic feet, we can use the following conversion:

Density in lb/ft³ = Density in kg/m³ × 2.20462 lb/ft³ ÷ 1 kg/m³ ÷ 35.3147 ft³/m³

Density in lb/ft³ = 18500 kg/m³ × 2.20462 lb/ft³ ÷ 1 kg/m³ ÷ 35.3147 ft³/m³ ≈ 109.864 lb/ft³

Therefore, the density of the unknown solid is approximately 109.864 lb/ft³.

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Answer:

I do not know. I think there is .as we are the living creatures in this earth. maybe aliens are creatures of other planet or galaxies. I am not scientists to prove it.sorry.

The correct option is e) None of the above

The empirical formula represents the simplest whole-number ratio of atoms in a compound. In this case, since the side chain of the amino acid is just H (hydrogen), the empirical formula will only include carbon (C), hydrogen (H), oxygen (O), and nitrogen (N).

The empirical formula of a free amino acid with a side chain of just H is:

None of the provided options (a) C2H5ON, b) C2H5O2N, c) CH6O2N, d) C2H4O2N) accurately represents the empirical formula for an amino acid with a side chain of H. The correct empirical formula will depend on the specific amino acid in question.

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The word "however" from the passage from Sue Macy's book Wheels of Change denotes a shift in strategy. As a result, Option D is the appropriate statement.

What does Wheels of Change's theme entail?

The narrative "Wheels of Change" has as its central message that you should no longer be frightened to speak up for yourself and other people. This was demonstrated as girls' racing gained popularity.

Cycling has gotten more violent, and males have developed a strong concern about girls getting their rights. The Springfield Bicycle Club was established in 1881. While giving back to the community, Wheels of Change empowers citizens, boosts self-esteem, AND offers worthwhile transitional work. For $13/hour, Wheels of Change offers temporary jobs to people staying at the Temporary Bridge Shelter program run by Alpha Project.

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Answer:

Solids, Gasses, Liquids

Explanation:

Solids are rigid structures that have a definite share and volume.

Gasses will continue to spread indefinitely until pressure prevents further spreading.

Liquids have a volume but take the shape of the container they are in.  

1. The Earth only has climate change because human activity is TRUE.

2.  The Earth is currently experiencing An Ice Age.

3. Ice core samples

4. The ice from the previous ice age melted and the climate was warmer.

5. Use more water.

Humans impact the physical environment in many ways including overpopulation pollution, burning of fossil fuels, and deforestation. Such changes are causing climate change soil erosion declining air quality and water unfit for drinking.

Pollution overfishing destructive fishing with dynamite and cyanide, collecting live corals for the aquarium market, mining corals for building materials, and climate warming are the many different things that humans do to coral reefs around the world every day. just a fraction of the damage. Climate change will lead to the Warming of the oceans causing heat stress that contributes to coral bleaching and infectious diseases.

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Answer:

So it takes 80 calories of heat to melt 1 g of an ice cube, now do the math. (Hope this helped)

Explanation:

An element can have multiple isotopes. Isotopes correspond to variations of the same element with respect to the number of neutrons in its nucleus. the number they give us, 35 and 37 correspond to the mass number of chlorine. The percentage will be how abundant the element is.

To find the average atomic mass we must multiply the mass of the isotope by its respective percentage of abundance and add these two results.

So, the average atomic mass of Cl will be:

Answer: the average atomic mass of chlorine is 35.454 amu

Answer:

B

Explanation:

Because when you go to the doctors they say, "You need to get your x-rays done" not microwave

Answer:

Its right!

Explanation: