How much water is in this cylinder?

The volume of the palladium is 103.3 cubic centimeters.

The term density has to do with the ratio of the mass to the volume of a substance. We can see here that the density of the palladium has been given as 12.1 g/cm3. However, the mass of the substance has been given in ounces.

We know that;

1 ounce = 28.35 grams

44.1 ounces = 44.1 ounces  * 28.35 grams/1 ounce

= 1250.23 g

Density = mass/volume

volume = mass/Density

volume = 1250.23 g/12.1 g/cm3

volume = 103.3 cubic centimeters

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Answer:

An atom consists of a positively charged nucleus, surrounded by one or more negatively charged particles called electrons. The positive charges equal the negative charges, so the atom has no overall charge; it is electrically neutral.

The alpha particle can penetrate through small distances and up to a certain range and penetrate the materials.

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The changes which should be made in the setup of this procedure is the reduced lacing of the gingival retraction cords with racemic epinephrine.

These are healthcare professionals who are trained and specialize in the care of the oral health of individuals.

In the  Veneer preparations , a dental impression which has to be made which is the reason why gingival retraction cords with racemic epinephrine has to be used for effective results. Ina scenario where the patient has had four heart surgeries the the epinephrine should be reduced or other options used because it could increase heart pressure and lead to complications.

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Sea level may rise as a result of the expansion of seawater and the melting of land-based ice due to a warming environment.

The sea level is the fundamental level for calculating height and depth on Earth. Since the ocean is one continuous body of water, its surface tends to seek a constant level. The sea surface is not actually level due to winds, currents, river discharges, fluctuations in gravity, and temperature.

People are impacted by sea level changes through flooding, the inability of rivers to empty into the ocean due to the sea being too high, and the surge of seawater onto the land during storms. Our drinking water and the ability to cultivate crops could be harmed if sea water gets into farms and reservoirs.

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E. The  oxidation number of chlorine with 14 electron is written as 17, 37 CL⁺³.

Oxidation number of an atom/ion is the number of electrons an atom/ion that the molecule has either gained or lost compared to the neutral atom.

Chlorine is a non metal with atomic number of 17 (17 electron, and 17 proton).

Chlorine also has an oxidation number of -1.

When the number of electron of the chlorine has been reduced to 14, it implies that the chlorine ion has been reduced by losing 3 electrons.

The oxidation number of chlorine with 14 electron is written as follows;

= CL (14) = 17 CL⁺³

mass number = 17 + 20 = 37

= 17, 37 CL⁺³

Thus, the  oxidation number of chlorine with 14 electron is written as 17, 37 CL⁺³.

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Answer:

Rounding for significant figures gives us a final answer of 3.41×1022 atoms 3.41 × 10 22 a t o m s atoms of oxygen.

Answer:

Answer: Image 3 is a compound.

Explanation: A compound is something that consists of two or more  different elements bonded chemically.

A molecule is formed when two or more elements combine chemically.

An element is described as something which cannot be broken down by any chemical means.

We are given 4 images.

Image 1 is an element as it is showing the shell structure of Oxygen (O) element.

Image 2 is an element as only 1 element is known that is Magnesium (Mg).

Image 3 is a compound as in the structure 2 elements are shown which is bonded together. Elements present in this are Carbon (C) and Oxygen (O).

Image 4 is a molecule as in the structure 2 H-atoms combine chemically, but it cannot be considered as compound as the two elements are not different.

Explanation:

Answer:

It is an Alkaline earth metal

Explanation:

20 protons meaning the element is 20 on the periodic table-Calcium.

The number of neutrons does not matter

Calcium is not a noble gas, transition metal, and nonmetal.

Calcium is in the 2nd group meaning it is an alkaline earth metal.

Answer:

The mantle is the thickest layer of Earth, making up about 85% of Earth's volume. The lower mantle is pretty solid stuff, while the upper mantle moves around like silly putty. This movement of rock without breaking is called plasticity, and the liquid part of the mantle is referred to as the asthenosphere.

Explanation:

upper mantle

Brainliest please

The layer of the Earth that has plasticity is the asthenosphere, located in the upper part of the mantle.

The asthenosphere is the upper mantle underneath the lithosphere. Its partially molten, ductile nature gives it flexibility.

High temperatures and pressure make the asthenosphere plastic. Under extreme heat and pressure, these rocks distort and flow slowly over time. The asthenosphere's plasticity lets Earth's tectonic plates move.

Unlike the asthenosphere, the lithosphere—the crust and part of the topmost mantle—is hard and brittle. Tectonic plates interact and migrate over the asthenosphere.

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To have only two significant figures we must have  to add a decimal point and two zeros.

The term significant figures refers to the figures that we could assign a place value. These are the figures that could be assigned a place in a string of digits. The nonzero values to which it is possible that we could give a place can be called a significant figure.

Having established that, we can see that the number 52 has two significant figures. The number 5.209 has three significant figures. If we want the value 52 to retain having only two significant figures then we have to add a decimal point and two zeros.

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The theoretical yields in each case are;

1) 13.64 g

2)  5.82 g

3) 0.92 g

We know that the stoichiometry of the reaction is the tool that we could use to obtain the parameters that has to do with a given reaction. We have the reaction; [tex]Ti(s)+2F_{2}(g)------- > TiF_{4} (s)[/tex]

1) Number of moles of Ti = 4.0 g/48 g/mol = 0.08 moles

Number of moles of [tex]F_{2}[/tex] =  4.0 g/38 g/mol = 0.11 moles

If 1 mole of Ti reacts with 2 moles of [tex]F_{2}[/tex]

0.08 moles reacts with 0.08 moles *  2 moles/1 mole

= 0.16 moles

[tex]F_{2}[/tex] is the limiting reactant

Mass of [tex]TiF_{4}[/tex]= 0.11 moles * 124 g/mol = 13.64 g

2)  Number of moles of Ti = 2.2 g /48 g/mol = 0.045 moles

Number of moles of [tex]F_{2}[/tex]=  1.8 g/38 g/mol = 0.047 moles

If 1 mole of Ti reacts with 2 moles of [tex]F_{2}[/tex]

0.045 moles of Ti reacts with 0.045 moles *  2 moles/1 mole

= 0.09 moles

[tex]F_{2}[/tex] is the limiting reactant

Mass of TiF4 = 0.047 moles * 124 g/mol = 5.82 g

3) Number of moles of Ti = 0.225 g/48 g/mol = 0.0047 moles

Number of moles of [tex]F_{2}[/tex] = 0.283 g/38 g/mol =  0.0074  moles

If 1 mole of Ti reacts with 2 moles of [tex]F_{2}[/tex]

0.0047 moles of Ti reacts with  0.0047 moles *  2 moles/1 mole

=0.0094 moles

[tex]F_{2}[/tex] is the limiting reactant

Mass of [tex]TiF_{4}[/tex]= 0.0074  moles * 124 g/mol = 0.92 g

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a) In the sample solution, concentration of Cu^2+ ions = 0.191 mol L-1

b) Concentration of Na+ = 0.0865 mol L-1

Concentration of Cl- = 0.1908 mol L-1

  Concentraion of  PO42- = 0.0199 mol L-1

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Based on the specific gravity of granite, the weight density of granite is 174.72 lbs/ft³.

The specific gravity of a substance is the ratio of the density of the given substance to that of the ratio of a reference substance usually water.

Specific gravity is also known as relative density of that substance.

Specific gravity is dimensionless since it is the ratio of two similar quantities.

Considering the given data:

The specific gravity of granite is 2.80.

This means that the ratio of the weight density of granite and that of water is 2.80.

The weight density of water = 62.4 lbs/ft³

The weight density of granite = ?

2.80 = weight density of granite/ weight density of water

The weight density of granite = 2.80 * weight density of water

The weight density of granite = 2.80 * 62.4 lbs/ft³

The weight density of granite = 174.72 lbs/ft³

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Answer:

Mass of phosphorus = (435kg)(0.01) = 0.45 kg

Answer:

6.36 x 10²⁰ atoms

Explanation:

To find the number of atoms in the P₂O₅ sample, you need to (1) convert grams to moles (using the molar mass of P₂O₅) 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 3 sig figs like the given value (0.150 g = 3 sig figs).

Atomic Mass (P) = 30.97 g/mol

Atomic Mass (O) = 16.00 g/mol

Molar Mass (P₂O₅): 2(30.97 g/mol) + 5(16.00 g/mol)

Molar Mass (P₂O₅): 141.94 g/mol

Avogadro's Number:

6.022 x 10²³ atoms = 1 mole

  0.150 g P₂O₅           1 mole            6.022 x 10²³ atoms
-----------------------  x  ----------------  x  -------------------------------  = 6.36 x 10²⁰ atoms
                                  141.94 g                     1 mole

Answer:

same number of protons but different number of neutrons.

The number of ants the anteater can eat in a day is 39123 ants.

The number of ants the anteater can eat in a day is calculated as follows:

mass of ants the anteater can eat in day = 6.9 lb

mass of ants the anteater can eat in day in g = 6.9 lb* 453.6 g/1 lb

mass of ants the anteater can eat in day in g = 3129.84 g

mass of one ant in g = 80/1000 = 0.08 g

number of ants the anteater can eat in a day = 3129.84 g/0.08 g

number of ants the anteater can eat in a day = 39123

In conclusion, the number of ants the anteater can eat in a day is obtained from the ratio of the mass of ants eaten by the anteater in a day and the mass of one ant.

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The relationship between KMT and sea level rise is 760 nm as the sea level rises because the gas level is increasing.

KMT is described as the behavior of gases and also it is used to explain the macroscopic properties of a gas such as pressure and temperature.

Sea level rise is an increase in the level of the world oceans due to the effects of global warming and burning fossil fuels is one of the causes of global warming because it releases carbon dioxide and other heat-trapped gasses into the atmosphere.

So, the relationship between kinetic molecular theory (KMT) and sea level rise is the distance between sea level and KMT which is 760nm as the sea level is rising because the gas level is increasing.

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its correct

Answer:

Explanation:

The high pressure causes cold air to move toward the low pressure areas

So c

The correct symbol for Cl with 20 neutrons and 12 electrons is 37/17 C1⁵+ (option D).

Atomic number is the number of protons in an atom. The number of protons and electrons in a neutral atom is the same i.e. the positive charges equal the negative charges, so the atom has no overall charge; it is electrically neutral.

The charge on an atom is related to its valence electrons or oxidation state.

The overall charge of an atom is determined by the number of protons and electrons in the atom. For example; an atom with more protons will be positively charged while an atom with more electrons eill be negatively charged.

According to this question, a chlorine atom has 20 neutrons and 12 electrons. The proton number of chlorine is 17.

This means that the mass number of chlorine is 20 + 17 = 37 and the charge is 17 - 15 = 2+.

Therefore, the correct symbol for Cl with 20 neutrons and 12 electrons is 37/17 C1⁵+.

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The correct answer is no. The explanation given by my friend is not a scientific theory, that's why it is not correct.

A scientific theory is a well-organized explanation that frequently includes a scientific hypothesis and scientific principles to explain a collection of facts or events in the natural world.

Scientists use the word "theory" a little differently than the public, according to Jaime Tanner, a biology professor at Boston's Emerson College. Most people use the word "theory" to describe an opinion or hunch, but in science, the term relates to how we interpret the data.

A scientific theory is a phenomenon that has been observed and verified. For a declarative assertion to be elevated to the status of a theory, it must first have been tested in the form of experiments by several researchers and found to be accurate. A statement can be considered a hypothesis if it is stated on the basis of perception, with little or no experimental evidence to back it up. A theory is something entirely different.

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Answer:

B. is false

Explanation:

-there is no cure for hsv,

-herpes simplex I does affect the face as a cold sore, and herpes simplex II does affect the genitals

- a symptom of herpes can be flu like symptoms, everyone is different, some people don't even have any symptoms at all

Molar mass is an intensive property of a sample of water.

The molar mass of a certain chemical entity is its mass per unit quantity (symbol M, SI unit kgmol1). Always identify the chemical in question in accordance with the definition of the mole. A substance's molar mass is the volume of the material that contains one mole of the substance. Its basic definition is the weight of a single mole of a substance. The atomic mass of each substance is multiplied by the subscript of that element in the chemical formula to determine the molar mass.

One mole of a specific compound or material has a mass of 1 molar. We are aware that the number of moles in a compound (n) can be expressed as the ratio of the compound's  given mass to its molar mass. This is measured in g mol1, the standard unit. However, the SI unit, kg mol 1, is quite uncommon. The amount of particles in 1 mole of the substance is equal to the number of atoms present in 12g of the 12C isotope.

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The temperature (in °C) that a 0.00570 M solution of glucose in water for an osmotic pressure of 0.150 atm is 522.33 C

The temperature of the glucose solution is c=0.00230 M

Osmotic pressure in the solution is 0.150 atm

Glucose is non dissociable so i=1

The osmotic pressure is as follows;

π=icrt

T=0.150/1×0.0023x0.082

T=795.33 K

T=522.33 C

The temperature of solution is 522.33 C

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Answer:

28.6 grams BaF₂

Explanation:

To find the amount of BaF₂ in grams, you need to multiply the given value (moles) by the molar mass. The molar mass is a ratio which describes the mass (g) of BaF₂ per every 1 mole. It is important to arrange the ratio in a way that allows for the cancellation of units (moles should be in the denominator).

Molar Mass (BaF₂): 175.34 g/mol

0.163 moles BaF₂          175.34 grams
----------------------------  x  -----------------------  =  28.58042 = 28.6 grams BaF₂
                                            1 mole

Answer:

its atomic no is 12

Explanation:

name = MAGNESIUM

The question is incomplete, however,  0.245 x 10^10 s^ -1 is the frequency of 12.24 cm (wavelength of a microwave oven).

we have given, λ= 12.24 cm, in the statement,

ν = c / λ where c is the velocity of light , i.e 3 x 10^10 cm/s

So, putting the value of c and λ= 12.24 cm,

we get,

ν = 3x 10^10 cm s^-1 / 12.24 cm

= 0.245 x 10^10 s^-1

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