Here is a list of synonyms for the two meanings of the word initiate. Think about what each word
means and decide where it belongs in the graphic organizer below.
admit
begin
commence
create
pledge
recruit
launch
welcome
► Now write these synonyms for initiate under the correct definition in the graphic organizer.
1. To put into effect; to bring into use.
2. To take in as a member.

The mass in kilograms of 100 pills is equal to 0.0697 kilograms.

In Science, a conversion factor can be defined as a number that is typically used to convert (change) a number in one (1) set of units to another, either by dividing or multiplying.

Generally speaking, an appropriate conversion factor to an equal value must be used when it is necessary to perform any mathematical conversion.

Conversion:

1 pill = 697 milligrams.

100 pills = X milligrams.

Cross-multiplying, we have:

Mass of X in milligrams (mg) = 697 mg × 100 pills

Mass of X in milligrams (mg) = 69700 mg.

Next, we would convert the unit of mass in milligrams (mg) to kilograms (kg) by dividing it with a conversion factor of 1 × 10⁶ as follows;

Mass of X in kilograms (kg) = 69700/(1 × 10⁶)

Mass of X in kilograms (kg) = 0.0697 kilograms.

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Answer:

3.6106 g/mL (approx.)

Explanation:

Average density = Sum of all densities/ Number of Densities
Which is, (3.5512 + 3.4188 + 3.8617)/3
≈ 3.6106 g/mL

Answer:

So the new concentration of the solution is 0.0001M

Explanation:

To dilute a solution by three orders of magnitude, we need to add 3 zeroes, that is 10^3 times the original volume.

The new concentration would be 0.1M / (10^3) = 0.0001M (4 sig figs)

So the new concentration of the solution is 0.0001M

There are two different kinds of food chains: the detrital food chain, which starts with dead organic matter, and the grazing food chain, which starts with autotrophs.

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The types of forces that are involved between the solute and solvent when forming a homogeneous solution between LiNO₃ and H₂O is ion-dipole forces dispersion forces dipole-dipole forces hydrogen bonding.

The relatively weak attractive forces that is acting on neutral atoms and other molecules as a result of the electric polarization induced in each particle by the presence of other particles. Forces like hydrogen bonding, dispersion forces, and dipole-dipole interactions are all examples of van der Waals forces.

Generally, the kinds of intermolecular forces that are involved in solution formation are dispersion forces, dipole-dipole forces, hydrogen bonding, and ion-dipole forces.

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Answer:

Explanation:

The equivalent mass of the metal can be calculated using the following equation:

Equivalent Mass = (3.15 g Nitrate)/(1.35 g Metal Oxide) * (1 mole Nitrate)/(1 mole Metal Oxide)

Using the molar masses of nitrate (NO3) and metal oxide (MO):

Equivalent Mass = (3.15 g NO3)/(1.35 g MO) * (1 mol NO3)/(1 mol MO)

= (3.15 g NO3)/(1.35 g MO) * (62.00 g NO3)/(molar mass of MO)

The molar mass of the metal oxide (MO) must be known to calculate the equivalent mass of the metal.

Answer: 5.5769g/ml^3

Explanation:

density=mass/volume

.78g/ml=4.350g/volume

Answer:

the flesh decay

but their bone remains

Answer:

Here is the order of increasing boiling point and increasing solubility in water for the substances you listed:

-2-Methylpropane < -2-butanol < -2-pentanol < -2-propanol

Explanation:

-2-Methylpropane has the lowest boiling point and is the least soluble in water.

-2-butanol has a higher boiling point than -2-methylpropane, but lower than -2-pentanol and -2-propanol

-2-pentanol has a higher boiling point than -2-butanol and -2-methylpropane, but lower than -2-propanol

-2-propanol has the highest boiling point and is the most soluble in water.

Please note that this is a general trend and there can be variations depending on factors such as pressure, purity of the substance, and temperature.

Answer:

d. population growth.

Explanation:

3.2x10^23 atoms of MgO would have more number of moles as shown.

We know that the number of moles is a concept that we can be able to glean from Avogadro. The idea of mole has to do with the amount of substance that contains the same number elementary entities as what we have in carbon 12.

We have been told that we are to compare 0.2 moles of KI and then we also look at 3.2x10^23 atoms of MgO. We would then have to find the number of moles that we are going to have in the 3.2x10^23 atoms of MgO as we have written here.

If 1 mole contains 6.02 * 10^ 23 atoms

x moles would contain 3.2x102^3 atoms

x = 1 mole * 3.2x10^23 atoms/ 6.02 * 10^ 23 atoms

x = 0.53 moles

Hence the number of moles in the KI is less than that in the MgO.

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Answer:

hi there in this question. We are given the balanced equation for the reaction of water from hydrogen gas and oxygen gas. And the first thing we want to know is the mole ratio for this reaction. So we get the mole ratio from the coefficient in the balanced equation. And if there's not a coefficient written, it's understood that it's a one. So that means our mole ratio here is going to be two moles of hydrogen. Because coefficient is two Reacts with one mole of oxygen because its coefficient is one to produce two moles of the water. And we know it's a two because its coefficient as a two. Alright, so this would be the mole ratios for these, The hydrogen and oxygen react in a 2-1 ratio, producing two moles of the water. Alright, so now we want to sketch what's going to happen here if we start with six hydrogen molecules and the correct number of oxygen molecules. So our hydrogen molecules six of those remember their H two. So that would just be one hydrogen molecule that I just drew there. These are gasses. So they're going to be randomly spaced, moving around. There's three, there's 4. Here's five and six. All right, so, we know these react in a 2-1 ratio. So for every six of these We would only need half as many or three of the 02s. So here's one oxygen molecule. Again, this is a diatonic also. So each molecule is composed of two oxygen atoms. Alright, So we have that reacting with that. And when these combined we are going to get six water molecules and we know that because we started with six hydrogen and looking at our mole ratio for every two hydrogen that we start with, we can make to water. So if we start with six hydrogen We can make six water. So our oxygen molecules, the bonds between them were broken during this reaction and each one bonded 22 hydrogen apps. Because the bonds between the hydrogen molecules, we're also broken and we've rearranged to form six water molecules. Alright, so that would be our finished sketch showing the hydrogen. six molecules of the hydrogen Reacting with three molecules of the oxygen to produce six molecules of water. So these are reacting in that proper ratio of 2-1 22.

Explanation:

i hope this helped :)

The number of gold atoms in 0.330 ounce, 18 K gold bracelet would be 2.12 x [tex]10^{22[/tex] atoms of gold.

1 ounce = 28 grams

0.330 ounce = 0.330 x 28 = 9.24 grams

18 K gold = 75% gold = 9.24 x 0.75 = 6.93 grams

In other words, a 0.330-ounce, 18 K gold bracelet contains 6.93 grams of actual gold.

Mole of 6.93 gold = 6.93/196.967 = 0.0352 mol

1 mole = 6.022 x [tex]10^{23[/tex] atoms

0.0352 mole = 0.0352 x 6.022 x [tex]10^{23[/tex]

                      = 2.12 x [tex]10^{22[/tex] atoms

In other words, a 0.330-ounce, 18 K gold bracelet contains 2.12 x [tex]10^{22[/tex] atoms of gold.

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The molality of the sodium ions and the sulfate ions are  44.5 and 10.66 respectively.

How do you calculate molality?

The total number of moles of solute per litre of solution is defined as the molarity of a specific solution. Because, unlike mass, the volume of a system changes with changes in physical circumstances of the system, the molality of a solution is reliant on changes in physical qualities of the system such as pressure and temperature. M, which stands for molarity, represents molarity. The molarity of a solution is one molar when one gramme of solute is dissolved in one litre of solution. As we know, the solvent and solute combine to create a solution, hence the total volume of the solution is measured.

molality of sodium was

=480.57/10.781

=44.5

molality of sulfate was

=28.93/2.712

=10.66

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The name of the compound is calcium chloride and the chemical formula of the compound is CaCl₂.

Chemical  formula is a way of representing the number of atoms present in a compound or molecule.It is written with the help of symbols  of elements. It also makes use of brackets and subscripts.

Subscripts are used to denote number of atoms of each element and brackets indicate presence of group of atoms. Chemical formula does not contain words. Chemical formula in the simplest form  is called empirical formula.

It is not the same as structural formula and does not have any information regarding structure.It does not provide any information regarding structure of molecule as obtained in structural formula.

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The mass of one mole of lead is 207.2 g and that of helium is just 4 g/mol. Therefore, a mole of lead weighs more than a mole of helium.

A mole is a unit of measurement that represents the amount of substance in a sample. One mole of any substance contains the same number of particles, which is known as Avogadro's number (6.022 x 10²³ particles per mole). Mass of one mole of an element is called its atomic mass.

The atomic  mass of lead is 207.2 g/mol, which means that one mole of lead has a mass of 207.2 grams. The atomic mass of helium is 4.0 g/mol, which means that one mole of helium has a mass of 4.0 grams.

Therefore, a mole of lead weighs more than a mole of helium, since the molar mass of lead is much greater than that of helium.

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Answer:

Explanation:

The number of atoms in one mole of a substance is called Avogadro's number and is approximately 6.022 x 10²³ atoms/mol.

There are 2.02 moles of atoms in one mole of a substance.

The number of atoms in one mole of Na (sodium) is 6.022 x 10²³ atoms/mol

In one mole of NaCl (sodium chloride), there are 6.022 x 10²³ atoms of sodium and 6.022 x 10²³ atoms of chlorine, for a total of 12.044 x 10²³ atoms.

Chemical reactions that release heat energy are called exothermic reactions. example:

C(g)+O2(g)→CO2(g)+thermal energy. A chemical reaction that absorbs heat energy is called an endothermic reaction. example:

CaCO3Heat→CaO+CO2.

A chemical reaction or physical change is endothermic when the system absorbs heat from the environment. In an endothermic process, the system gains heat from the environment and reduces the temperature of the environment.

A chemical reaction that releases energy is called exothermic. In an exothermic reaction, more energy is released in forming bonds within the products than is expended in breaking bonds within the reactants. Chemical reactions that absorb (or consume) energy are called endothermic.

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In order to lower the temperature of 350 mL of water from 24°C to 6°C, we need to calculate the amount of heat energy that needs to be removed from the water. We can use the formula:

Q = mcΔT

where Q is the heat energy, m is the mass, c is the specific heat capacity, and ΔT is the change in temperature.

The specific heat capacity of water is 4.184 J/g°C. Since the density of water is 1.0 g/mL, the mass of 350 mL of water is 350 g.

Q = (350 g) (4.184 J/g°C) (18°C)

Q = 30,276 J

To remove this much heat energy, we can use ice to cool the water. The heat of fusion of water is 333.55 J/g, which is the amount of heat energy required to melt one gram of ice at 0°C.

Q = (m)(333.55 J/g)

m = Q / 333.55 J/g

m = 30,276 J / 333.55 J/g

m = 90.4 g

So, 90.4 grams of ice at 0°C would have to melt to lower the temperature of 350 mL of water from 24°C to 6°C.

Answer:

3,3 dihydroxy

Oh group attach with that benzene ring

Answer:

Para resolver este ejercicio debemos crear una relación entre la cantidad que necesita el paciente y la cantidad que tienen la pastilla del almacén. Transformamos 0.024 g, tenemos:

0.024 g = 24 mg

Ahora planteamos la relación, tenemos:

R = 24 mg/8mg

R = 3

Por tanto, se le debe dar al paciente 3 pastillas de 8 miligramos.

Nota: Tener en cuenta la homogeneidad de unidades.

Answer: B.) -12.4

Explanation: This is because the sign of heat transfer is determined by the system's perspective. In this case, the system is releasing heat to the surroundings, which means that heat is flowing out of the system, making the heat transfer negative. The magnitude of the heat transfer is 12.4 J.

The denstiy of the gold bar of mass 3300 g is 18.3 g/cm³.

Density is the ratio of mass and volume.

To calculate the density of the bar gold, we use the formula below.

Formula:

Where:

From the question,

Given:

Susbtitute these values into equation 1

The bar is not a pure gold.

Hence, the denstiy is 18.3 g/cm³.

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Answer:

CH3NH3Pbl3

Explanation:

is an example of a perovskite th that would be used in a perovskite solar cell

Holide Perovskite

First group metals forms 1:1 compounds with 17th group or group 7 A. Thus, the statement is true. Aluminum forms its oxides by 2 Al and 3 oxygen atoms. Hence, the statement is false.

Ionic bonds are formed between metals and non metals. Metals are electron rich and easily loss one or more electrons to electron deficient nonmetals.

First group elements are called alkali metals. They have one valance electron. Group 7A are halogens  with 7 valence electrons. They need one more electron to achieve octet.

Thus, alkali metals donate their valence electron to halogens and forms 1:1 compound. Therefore, the statement is true.

Aluminum reacts with oxygen to form its oxide Al₂O₃. Thus, 2 Al and 3 Os are  combined to form covalent bond. Thus, the statement is false.

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The number of atoms in the reactants and products of each reaction is the same. The last option.

The law of conservation of matter states that during chemical reactions, matter can neither be created nor destroyed but can be converted from one form to another. This law is also applicable to energy and atoms during chemical reactions.

In other words, all chemical reactions, as a rule of thumb, obey the law of conservation. Thus, for any chemical reaction:

Therefore, the statement that supports the student's conclusion that the two reactions follows the law of conservation of matter would be that the number of atoms in the reactants and products of each reaction is the same.

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Following are the scientific methods asked in question -

The scientific method, an empirical technique of learning, has governed the development of science from at least the 17th century (with notable practitioners in previous centuries; see the article history of scientific method for additional detail.)

It takes thorough observation and the use of strong skepticism regarding what is observed because one's perception of the observation may be influenced by cognitive presumptions. It entails creating hypotheses using induction based on these observations, testing the accuracy of those hypotheses using experimental and measurement-based statistical testing of the inferences drawn from them, and then adjusting (or discarding) those hypothese in light of the experimental findings.

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Answer:

The student's diagram is correct. The potential energy on the x-axis is increasing, and the potential energy on the y-axis is decreasing, which accurately displays an increase in energy (heat) being absorbed by the reaction. The value of X represents the energy of the reactants, while the value of Y represents the energy of the products. This indicates the reaction is endothermic, as the reactants have a lower energy than the products, meaning energy had to be absorbed from the environment in order to reach a stable state.

The mass of the HNO3 solution was found to be 0.882 g and the titer of the NaoH solution was 0.016g/cm^3.

what was NaoH ?

The inorganic chemical sodium hydroxide, widely known as lye and caustic soda, has the formula NaOH. It is a white solid ionic compound that contains sodium cations Na+ and hydroxide anions OH.

Sodium hydroxide is a caustic base and alkali that degrades proteins at room temperature and can inflict serious chemical burns. It collects moisture and carbon dioxide from the air and is extremely soluble in water. It creates a succession of NaOHnH2O hydrates. Between 12.3 and 61.8 °C, the monohydrate NaOHH2O crystallises from water solutions. This monohydrate is frequently used in commercially available "sodium hydroxide," and published data may refer to it instead of the anhydrous component.

As one of the most basic hydroxides, sodium hydroxide is commonly employed in conjunction with neutral water.

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Potassium Phosphide reacts with aluminum in a single replacement reaction to produce Aluminum Phosphide and Potassium. The coefficient is needed in front of the product potassium to properly balance this chemical equation is 3. Therefore, option B is correct.

Potassium is the chemical element which is represented by the symbol K. Its atomic number is  19. Potassium metal reacts rapidly with atmospheric oxygen.

Potassium Phosphide reacts with aluminum in a single replacement reaction to produce Aluminum Phosphide and Potassium. The balance chemical equation is as follows:

2K₃PO₄ + Al₂(SO₄)₃ → 3K₂SO₄ + 2AlPO₄

Thus, option B is correct.

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