there are ____ atoms are in every living thing

Transition Metals is more often used to conduct electricity. Transition metals have free electrons in outer energy levels because d-orbitals shields poorly. That's why transition metals are good conductor of heat and electricity.

Transition metals are similar to main group metals in many ways, including their metallic appearance, malleability and ductility, ability to conduct heat and electricity, and ability to form positive ions.

In the periodic table, transition metals are found between s-block and p-block elements. D-block elements is the name given to them. A family of metals that display instability and transitional behavior between s block and p block elements are referred to as "transition metals."

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A. The number of mole of Al(OH)₃ in the capsule is 0.0026 mole

B. The mass (in µg) of oxygen in the capsule is 124800 µg

The mole of a substance is related to it's mass and molar mass according to the following equation:

Mole = mass / molar mass

From the question given above, the following data were obtained:

Mole = mass / molar mass

Mole of Al(OH)₃ = 0.2 / 78

Mole of Al(OH)₃ = 0.0026 mole

1 mole of Al(OH)₃ contains 48 g of oxygen.

Therefore,

0.0026 mole of Al(OH)₃ will contain = (0.0026 mole × 48 g) / 1 mole = 0.1248 g of oxygen

Divide by 1000000 to express in µg

Mass of oxygen = 0.1248 / 1000000

Mass of oxygen = 124800 µg

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Answer:

B. Civilian bombing drills at home

Explanation:

Give me brainliest if that helped :)

Answer:

Down >3

Explanation:

The nonliving processes such as evaporation, precipitation, etc... water returns back into the atmosphere.Explanation:Water moves through the help of living organisms in an ecosystem. Although, the non-livings processes are also the main partners of this process.Plants absorbs water through their root system and loss by transpiration. Watere also moves through the living organisms in an ecosystem. Other nonliving processes such as evaporation, precipitation, water returns back into the atmosphere!

Sorry For Miss Spelling >3

The frequency of a photon of yellow light with a wavelength of 4.63 X 10-⁷m is 6.48 × 10¹⁴ Hz.

The frequency of a wave can be calculated by using the following formula:

v = fλ

Where;

According to this question, a photon of yellow light with a wavelength of 4.63 X 10-⁷m is given. The frequency of this photon can be calculated as follows:

f = 3 × 10⁸m/s ÷ 4.63 X 10-⁷m

f = 6.48 × 10¹⁴ Hz

Therefore, the frequency of a photon of yellow light with a wavelength of 4.63 X 10-⁷m is 6.48 × 10¹⁴ Hz.

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Answer:

4.1843 x 10²² atoms Pt

Explanation:

To find the number of platinum (Pt) atoms, you need to (1) convert grams to moles (using the atomic mass) and then (2) convert moles to atoms (using Avogadro's number). It is important to arrange the conversions in a way that allows for the cancellation of units. The final answer should have 5 sig figs to match the amount of sig figs in the given value (13.555).

(Step 1)
Atomic Mass (Pt): 195.08 g/mol

 13.555 grams Pt                1 mole
---------------------------  x  -------------------------  =  0.069484 moles Pt
                                        195.08 grams

(Step 2)

Avogadro's Number:

6.022 x 10²³ atoms = 1 mole

 0.069484 moles Pt             6.022 x 10²³ atoms
---------------------------------  x  ---------------------------------  =  4.1843 x 10²² atoms Pt
                                                        1 mole

28.3 micrograms equal to 6.2390820e⁻⁸ pounds.

A microgram is a unit of mass. 1 microgram is equal to one-millionth of a gram.

1 mcg = 0 lb

The pound is used in the imperial system for mass measurement.

1lb = 453592370 mcg

The SI or base unit for mass is the kilogram.

1 kg is equal to 1000000000 micrograms, or 2.2046226218488 pounds.

The conversion formula from micrograms to pound is:-

Pound (lb) = micrograms (mcg) ÷ 453592370

We have to convert 28.3 micrograms to pounds.

Dividing 28.3 with 453592370, we get

28.3 ÷ 453592370 = 6.2390820e⁻⁸ pounds

Therefore, 28.3 micrograms equal 6.2390820e⁻⁸ pounds.

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The change in reactivity is as follows;

Periodicity is the variation of the physical and chemical properties of in a regular pattern down the group and across a period.

The periodicity of elements in the periodic table is as follows;

Considering the change in reactivity that occurs moving from the element with atomic number 10 to atomic number 11 on the periodic table;

In conclusion, noble gases b chemically whereas group 1A elements are very reactive metals.

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Anything made in the lab requires natural resources to produce it is the main problem with this idea.

The correct option is B.

Anything that helps you live better and is practical is a resource. A "Resource" is any part of the natural world that is beneficial to humans, including things like oxygen, water, foods, plants, creatures, minerals, and metals.

Stone, sand, metals, oil, coal, and natural gas are examples of natural resources. Other natural resources include things like air, sunlight, soil, and water. Natural resources include things like plants, fish, birds, and animals. The production of food, energy, and raw materials for the manufacture of commodities all depends on natural resources.

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The complete question is -

A student states that natural resources could be saved if people made everything they need in labs. What is the main problem with this idea?(1 point)

a-The materials made in labs will still pollute the environment and destroy natural resources.

b-Anything made in the lab requires natural resources to produce it.

c-There are not enough synthetic resources yet to make what people need.

d-People might think it is fine to waste a lot of the materials since they just came from a lab.

Answer:

consistent

Explanation:

in this phrase, consistent means that your results do not falter and prove that your answer is performed correctly and efficiently. if an experiments results are repeated and you get a different outcome, you should restart your process and evaluate what mightve hone wrong.

The profile shown is not for an exothermic reaction because the energy of the products is greater than that of the reactants.

The term exothermic reaction refers to a type of reaction in which energy is given out during the reaction. In this type of reaction, the energy of the reactants is greater than the energy of the products. This is which it is possible for the excess energy to be given out in the reaction.

The potential energy diagram is used to show the profile of a reaction. We could look at the diagram and deduce the energy of the reactants and the products as well as the enthalpy change of the reaction which is the difference between the enthalpies of the reactants and the products.

If we have a good look at the potential energy diagram as we have in that image, the energy of the products is greater than that of the reactants hence the enthalpy change of the reaction is positive. Thus this is an endothermic reaction profile as shown.

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1.93g of glucose is required to produce 30KJ of energy

One of the carbohydrates referred to as simple sugars is glucose, commonly known as dextrose (monosaccharides). The chemical formula for glucose is C6H12O6, which means "sweet" in Greek. It is the main free sugar present in higher animals' blood and can be found in fruits and honey. It is the source of energy for cellular activity, hence controlling its metabolism is crucial (see fermentation; gluconeogenesis).

Starch molecules, which make up the majority of plant's energy reserves, are made up of countless linear glucose units. Cellulose is a significant molecule made primarily of glucose and is likewise linear. D-glucose is a chemical found in dextrose. Glycogen, the reserve carbohydrate found in the majority of vertebrate and invertebrate animal cells as well as those of countless fungi and protozoans, is a similar molecule in mammals.

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The statement that defines a chemical formula is as follows: the expression of the chemical composition of a compound (option B).

A chemical formula in chemistry is a notation indicating the number of atoms of each element present in a compound.

The chemical formula shows the type and number of atoms of each element that makes up the compound.

For example; in the compound that has a chemical formula of C₂H₂. This shows that atoms of carbon and hydrogen are present in ratio 2:2.

Therefore, the statement that defines a chemical formula is as follows: the expression of the chemical composition of a compound.

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The sample of salt found to contain 6.96 × 10¹¹ grams is equivalent to 6.96 × 10⁸ kilograms.

Kilograms is the International System of Units (S.I unit) or base unit of mass while grams is a unit of mass equal to one-thousandth of a kilogram.

Grams as a unit of mass can be converted to kilograms as follows:

1 kilograms = 1000 grams

According to this question, a sample is found to contain 6.96 × 10¹¹ grams of salt. This unit can be converted to kilograms as follows:

6.96 × 10¹¹ ÷ 1 × 10³

= 6.96 × 10⁸ kilograms

Therefore, the sample of salt found to contain 6.96 × 10¹¹ grams is equivalent to 6.96 × 10⁸ kilograms.

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The number of  atoms that are in 1.50 mol of carbon-12 is 18g.

1 mol of any substance contains 6.022×1023 atoms/molecules

So 1.50 moles of carbon  will have 1.50×6.022×1023 atom = 9.0×1023 atoms

Now,  number of moles = weight g /molar mass gmol-1

1.5= weight g/ 12 gmol-1.

So weight = 1.5 mol×12gmol-1 = 18 g

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We are given a balanced chemical equation and the rate of O² appearance (0.0014 M/s) in the inquiry.

We may easily multiply the mole ratio by the rate of disappearance of H²O² to obtain the rate of disappearance. As a result, the rate at which disappears is 0.0028 M/s.

The rate of disappearance for reactants is a positive (+) value. Because goods are being made rather than vanishing, their rate of disappearance (-) is negative. Reactants are vanishing rather than being generated, hence their rate of formation is a negative (-) value.

The rate of disappearance may be defined as the speed at which a reactant dissipates after being consumed in the course of the reaction. Four moles of nitric oxide and six moles of water are produced in the reaction above when one mole of sulphur dioxide and one mole of ammonia are combined.

A response always happens at a positive pace.

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1) The student which is neither precise nor accurate is student B

2) The student which is most accurate on any single trial is student A

3) The student that is both precise and accurate is student C

4) The student which is precise but not accurate is student D

The term precision has to do with the fact that the values of the measurement are close together. Precise values do not scatter a lot. They vary within a narrow range.

An accurate measurement is one that is close to the true value. This means that it does not differ so much from the true value of the measurement.

Hence;

1) The student which is neither precise nor accurate is student B

2) The student which is most accurate on any single trial is student A

3) The student that is both precise and accurate is student C

4) The student which is precise but not accurate is student D

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The cell organelles have specialized functions in order to help a cell perform different cell activities (Option 3 is correct).

The cell organelles are membrane-bound structures inside eukaryotic cells that help them to perform specialized functions such as protein synthesis (ribosomes), photosynthesis (chloroplasts), lipid processing (RE and Golgi), enzymatic degradation (lysosomes), etc.

In conclusion, the cell organelles have specialized functions in order to help a cell perform different cell activities (Option 3 is correct).

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There will be phase changes due to which bottle will break at the end.

We will use this information to calculate the volume of solid water.

mass of water inside the bottle = 242g

Volume of solid water = 242 × mL/ 0.916 g

= 265 mL

This calculated volume of solid water (ice) is greater than the glass bottle's 250 mL capacity. Therefore, bottle will crack.

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Answer:

boiling points

Salt water: Salt can be separated from the water by boiling, taking advantage of the different boiling points of the two substances.

Answer:

He figured out the amount of charge on an electron

Explanation:

Answer:
the accurate determination of the charge carried by an electron, using the e “falling-drop method”; he also proved that this quantity was a constant for all electrons, thus demonstrating the atomic structure of electricity.

Explanation:

As the seafloor grows wider, the continents on opposite sides of the ridge move away from each other.

Answer:

The chart is called the Periodic Table.

Hope this helps :)

The two electrons are found in the N shell of the atom and in a spherically symmetrical orbital.

The electron configuration refers to the manner in which electrons are arranged in an atom. The electron in an atom are arranged in shells and subshells. The shells are shown by the principal quantum number which the subshells are shown by the orbital quantum number.

The orbital where the electron is found has a direct corroboration to the energy of the electron. The more radially outwards from the nucleus the orbital is as evidenced by the orbital quantum number, the higher the energy of the electron.

Now the designation"4s^2" implies that the two electrons are found in the N shell of the atom and in a spherically symmetrical orbital.

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Answer:

For numerical purposes however, we can assume that each nitrogen is in +1 and overall oxidation... The oxidation of nitrogen in NH4+ is -3. The hydrogen atoms have +1 and there are four of them. And net charge on the molecule is +1.

Explanation:

The partial pressure of oxygen gas when this mixture is delivered at a total pressure of 8.4 bar is 0.0039 bar.

The partial pressure of oxygen gas in the Heliox deep-sea diving mixture that contains 3.6g of oxygen to every 96.4g of helium is calculated as follows:

Moles of oxygen gas = mass/molar mass

mass of oxygen gas = 3.6 g

molar mass of oxygen gas = 32.0 g

moles of oxygen gas = 3.6/32

moles of oxygen gas = 0.1125 moles

Moles of helium gas = mass/molar mass

mass of helium gas = 96.4 g

molar mass of helium gas =  4.0 g

moles of helium gas = 96.4/4

moles of helium gas = 24.1 moles

Total moles of gases = 24.1 + 0.1125

Total moles of gases = 24.2125

Partial pressure of oxygen gas = 0.1125/24.2125 * 8.4 bar

Partial pressure of oxygen gas = 0.0039 bar

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By monitoring the temperature at just above the iodine melting point and observing the melt, it is possible to get liquid iodine at atmospheric pressure.

Iodine is a chemical element that has the symbol I and atomic number 53. If the temperature is 113.7 oC or higher, liquid iodine will be present at the bottom, though, as Mike points out, it may be challenging to see it through the intensely colored iodine vapour. The heaviest of the stable halogens, it is a semi-lustrous, non-metallic solid under normal conditions. It melts at 114 °C (237 °F) to form a deep violet liquid and boils at 184 °C (363 °F) to form a violet gas.

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Answer:

Hold the cells shape.

Explanation:

The cell wall is the structure for the plant cell outside the cell membrane.