How do you convert 34.6 kilograms to micrograms?
Also the Steps that got you that answer

Answer:

Water and CO2

Explanation:

These are both materials that are used in the process of photosynthesis that can be acquired from the around the plant, and the rain, which are natural raw materials that can be found anywhere in nature.

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if the solubility of a substance is determined for 100 g of water, we can use it to determine the amount of solute that can be dissolved in 50 g of water by calculating the solubility for 50 g of water and then multiplying it by the amount of water.

In order to determine the amount of solute that can be dissolved in 50 g of water, we need to use the concept of solubility. Solubility is defined as the maximum amount of a substance that can be dissolved in a certain amount of solvent at a given temperature and pressure. If we know the solubility of a substance for 100 g of water, we can use it to determine the amount of solute that can be dissolved in 50 g of water. The first step is to calculate the solubility of the substance for 50 g of water. We can do this by using the following equation:
Solubility50g = (Solubility100g x 50) / 100

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calcium sulfite decomposes when heated to form calcium oxide and sulfur dioxide. This involves a Decomposition Reaction. 192.19 gram of sulfur dioxide is produced from 3 moles of calcium sulfite.

Sulfite is the name given to the SO32− anion. So the reactant is composed of calcium cations, Ca 2+  and sulfite anions, SO 32−. Since calcium cations have a 2+ charge, and oxygen anions have a 2− charge, & calcium oxide will simply be

Ca2 + O2− ⇒ Ca2​O2 ⇒ Ca O

Sulphur dioxide is a covalent compound. it contains one sulphur atom. Sulphur has no prefix in the name of the compound two oxygen atoms  oxygen has a di- prefix in the name of the compound. Therefore, you can say that sulfur dioxide is SO2.

This gives Ca SO3 (s] → Ca O (s] +SO 2(g]↑.

sulfur dioxide is produced from 3 moles of calcium sulfite.

so,  3 mole of CaSO3 *  1 mole of SO2 / 1 mole of Ca SO3

      = 3 mole of SO2 = 192.19 grams of SO2

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The solubility of Pb3(PO4)2(s) is 1.28 x 10^-18 mol/L.

To calculate the solubility of Pb3(PO4)2(s), we need to first write the balanced dissolution equation and then set up the expression for the solubility product constant (Ksp).
The balanced dissolution equation for Pb3(PO4)2(s) is:
Pb3(PO4)2(s) ⇌ 3Pb2+(aq) + 2PO4^3-(aq)
Now, let the solubility of Pb3(PO4)2 be 's' mol/L.

Then, the concentration of Pb2+ ions would be 3s, and the concentration of PO4^3- ions would be 2s.
Ksp = [Pb2+]^3 * [PO4^3-]^2
1.0 x 10^-54 = (3s)^3 * (2s)^2
Solving for 's' yields:
s = 1.28 x 10^-18 mol/L

Summary: The solubility of Pb3(PO4)2(s) is 1.28 x 10^-18 mol/L, which is the concentration at which Pb3(PO4)2(s) will dissolve in water without any additional reactions with water ions.

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The alanine molecule has a net negative charge at pH 11, where the amine exists as a neutral base and the carboxyl serves as its conjugate base.

The amino acid alanine is necessary for the synthesis of proteins. Vitamin B-6 and tryptophan are broken down using it. It provides the central nervous system and muscles with energy. It helps the body use glucose and boosts the immune system.

The alanine chemical structure reveals that the backbone is made up of two functional groups: the carboxyl group (COOH C O O H) and the amino group (NH2 N H 2), as well as a carbon atom attached to the side chain, CH3 C H 3.

The majority of proteins contain a large amount of the glycogenic amino acid alanine. Alanine can also be produced from other amino acids, particularly branched chain amino acids (BCAA) like valine, leucine, and isoleucine.

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By taking into account the different seating possibilities for the biologists, chemists, and physicists, you will find that the total number of valid seating arrangements is indeed 32.

Your approach is incorrect because it does not consider all possible arrangements that satisfy the given conditions. Let's analyze your approach step by step.

You correctly start by seating one biologist, which can be done in 1 way. However, when you proceed to seat the second biologist, you assume that there are 3 choices. This is where the error occurs.

Consider the following possibilities:

If the first biologist is seated at Chair 1, the second biologist cannot be seated at Chair 2 or Chair 6, as they would be sitting next to each other. Therefore, the second biologist can only be seated at Chair 4.

If the first biologist is seated at Chair 2, the second biologist can only be seated at Chair 5.

If the first biologist is seated at Chair 3, the second biologist can only be seated at Chair 6 or Chair 1.

If the first biologist is seated at Chair 4, the second biologist can only be seated at Chair 1.

If the first biologist is seated at Chair 5, the second biologist can only be seated at Chair 2.

If the first biologist is seated at Chair 6, the second biologist can only be seated at Chair 3.

So, there are actually 6 different arrangements for seating the two biologists.

Now, if we continue with your approach, seating the chemists and physicists, we need to consider the additional possibilities that arise due to the constraints of the biologist's seating arrangements.

Therefore, the correct approach would involve considering all possible arrangements that satisfy the given conditions. By taking into account the different seating possibilities for the biologists, chemists, and physicists, you will find that the total number of valid seating arrangements is indeed 32.

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Answer:

salt and oil

water and salt

water and sugar

Explanation:

The ionization energy generally decreases as you move from top to bottom down the groups of the periodic table. This trend occurs because of the following factors:

1. Atomic radius: As you move down a group, the atomic radius increases due to the addition of electron shells. This results in the outermost electrons being farther from the nucleus, which weakens the electrostatic attraction between the nucleus and the electrons.

2. Shielding effect: With the addition of electron shells, the inner electrons "shield" or "screen" the outermost electrons from the full positive charge of the nucleus. This further reduces the electrostatic attraction between the nucleus and the outermost electrons.

Due to these factors, it requires less energy to remove an electron from an atom as you move down a group, causing the ionization energy to decrease.

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In SOCl2, sulfur (S) has an oxidation number of +4, oxygen (O) has an oxidation number of -2, and chlorine (Cl) has an oxidation number of -1.

To assign oxidation numbers to each atom, we start by assigning an oxidation number of zero to the neutral molecule SOCl2.

Next, we can use the following rules to assign the oxidation numbers:

The oxidation number of an atom in an element is zero.

The sum of the oxidation numbers of all atoms in a neutral molecule is zero.

The sum of the oxidation numbers of all atoms in an ion is equal to the charge of the ion.

Hydrogen (H) has an oxidation number of +1 in most compounds, and -1 when it is combined with metals.

Oxygen (O) has an oxidation number of -2 in most compounds, and -1 in peroxides.

Fluorine (F) has an oxidation number of -1 in all compounds.

The sum of the oxidation numbers of all atoms in a polyatomic ion is equal to the charge of the ion.

Using these rules, we can assign the oxidation numbers for each atom in SOCl2 as follows:

The oxidation number of oxygen (O) is -2. There are two oxygen atoms in SOCl2, so the total oxidation number for oxygen is -4.

The sum of the oxidation numbers for all the atoms in SOCl2 is zero. Therefore, the total oxidation number for sulfur (S) and chlorine (Cl) must add up to +4.

We know the oxidation number for oxygen (-4) and for sulfur (+4). Using the rule that the sum of the oxidation numbers of all atoms in a neutral molecule is zero, we can calculate the oxidation number for chlorine (Cl):

Oxidation number of Cl = (Oxidation number of S) + (Oxidation number of O) = +4 + (-4) = 0

However, SOCl2 is not a neutral molecule; it is a molecular compound that has no net charge. Therefore, the sum of the oxidation numbers of all atoms in SOCl2 must still be zero. Since the total oxidation number for sulfur is +4, and the total oxidation number for oxygen is -4, the total oxidation number for chlorine must be -1 to balance out the charge and make the compound neutral.

Therefore, the oxidation numbers of each atom in SOCl2 are:

Sulfur (S): +4

Oxygen (O): -2

Chlorine (Cl): -1

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The concept of energy balance refers to the equilibrium between the energy input into a system and the energy output from that system. It is based on the principle of conservation of energy, which states that energy cannot be created or destroyed but can only be transferred or transformed from one form to another.

In terms of human energy balance, it involves the energy intake from food and beverages (energy in) and the energy expenditure through basal metabolic rate, physical activity, and other bodily processes (energy out). When the energy intake matches the energy expenditure, there is an energy balance. However, when there is an imbalance, either an excess or deficit of energy, it can lead to weight gain or weight loss, respectively.

For example, if a person consumes 2000 calories (energy in) through their diet and expends 2000 calories (energy out) through their daily activities and bodily functions, they maintain an energy balance. This means that the energy intake is equal to the energy expenditure, and their weight remains stable.

On the other hand, if a person consumes 2500 calories (energy in) but only expends 2000 calories (energy out), there is a positive energy balance. The excess energy is stored in the body as fat, leading to weight gain over time.

Conversely, if a person consumes 1500 calories (energy in) but expends 2000 calories (energy out), there is a negative energy balance. The body needs to compensate for the energy deficit by utilizing stored energy reserves, such as fat, resulting in weight loss.

Support for the concept of energy balance comes from scientific studies on weight management and obesity. It has been shown that maintaining an energy balance is crucial for weight maintenance, while sustained positive or negative energy balances can lead to weight changes. Additionally, energy balance plays a role in various physiological processes, including metabolism, hormone regulation, and overall health.

By understanding and managing energy balance, individuals can make informed decisions regarding their diet, physical activity, and lifestyle to achieve and maintain a healthy weight and overall well-being.

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Option (B) ΔS universe is correct .

According to the Second Law of Thermodynamics, for a reaction to be spontaneous, the value that must increase is B) ΔS universe (the change in entropy of the universe).

The Second Law of Thermodynamics states that the entropy of the universe tends to increase for spontaneous processes. The entropy change of the universe (ΔS universe) is the sum of the entropy change of the system (ΔS sys) and the entropy change of the surroundings (ΔS surr):

ΔS universe = ΔS sys + ΔS surr

The entropy change of the system (ΔS sys) can be positive or negative, depending on the nature of the reaction. However, for a spontaneous reaction, the entropy change of the universe (ΔS universe) must be positive.

When a reaction occurs spontaneously, it is often associated with an increase in the total entropy of the system and its surroundings. This means that both the system and the surroundings experience an increase in their respective entropy values, but the magnitude of the increase in the surroundings' entropy is typically greater. Therefore, the value that must increase for a spontaneous reaction according to the Second Law of Thermodynamics is ΔS universe.

According to the Second Law of Thermodynamics, for a reaction to be spontaneous, the entropy change of the universe (ΔS universe) must increase. This principle highlights the tendency of the universe to move towards higher entropy states during spontaneous processes. While the entropy change of the system (ΔS sys) can be positive or negative, it is the overall change in entropy of the universe that determines the spontaneity of a reaction.

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Answer:

Color change, production of gas, formation of precipitation

Explanation:

Color change: A change in the color of a substance is a clear indication that a chemical reaction has taken place.

Production of gas: The release of a gas during a reaction can indicate a chemical change, especially if the gas produced is not a component of the original substance.

Formation of a precipitate: A precipitate is a solid substance that forms when two liquids are mixed. The formation of a precipitate is a strong indication that a chemical reaction has occurred and that a new substance has been formed

Answer:

The answer is B

Explanation:

Protons and electrons have to be equal numbers for it to be neutral

Answer:b

Explanation:

When 1 mL of 6 M HCl and 1 mL of BaCl2 solution are added to an unknown, a solid white precipitate forms. The unknown could be a chloride salt such as calcium chloride (CaCl2) or magnesium chloride (MgCl2).

Calcium chloride is an ionic compound composed of two ions, calcium (Ca2+) and chloride (Cl-). When this compound is added to HCl, the H+ ions will react with the Cl- ions of the CaCl2, forming hydrogen chloride gas (HCl gas) and leaving the Ca2+ ions behind as a solid white precipitate. Similarly, magnesium chloride is an ionic compound composed of two ions, magnesium (Mg2+) and chloride (Cl-). When this compound is added to HCl, the H+ ions will react with the Cl- ions of the MgCl2, forming hydrogen chloride gas (HCl gas) and leaving the Mg2+ ions behind as a solid white precipitate.

In conclusion, the solid white precipitate that forms when 1 mL of 6 M HCl and 1 mL of BaCl2 solution are added to an unknown could be either calcium chloride or magnesium chloride.

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Answer:

Micro, milli, deci, deca, mega

Explanation:

the suffix each denote the amount in comparison to a liter

Answer:

Compounds containing two elements (so called binary compounds) can either have ionic or covalent bonding. If a compound is made from a metal and a non-metal, its bonding will be ionic. If a compound is made from two non-metals, its bonding will be covalent.

Explanation:

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The ratio of k at 310 K to k at 300 K for the reaction 2 NOCl --> 2 NO + Cl2 is approximately 1 (to the nearest whole number).

To solve this problem, we can use the Arrhenius equation:
k = Ae^(-Ea/RT)

where k is the rate constant, A is the pre-exponential factor (or frequency factor), Ea is the activation energy, R is the gas constant (8.314 J/mol K), and T is the temperature in Kelvin.

We are given the rate constant (k) and activation energy (Ea) for the reaction 2 NOCl --> 2 NO + Cl2 at 300 K. We want to find the ratio of k at 310 K to k at 300 K.

To find the value of A for the reaction at 300 K:

\(k = Ae^(-Ea/RT)2.6 x 10^-8 = A e^(-164000/(8.314*300))A = (2.6 x 10^-8) / e^(-164000/(8.314*300))A = 1.28 x 10^12\)

Now, we can use the Arrhenius equation again to find the rate constant (k) at 310 K:

\(k = Ae^(-Ea/RT)k(310) = (1.28 x 10^12) e^(-164000/(8.314*310))k(310) = 3.29 x 10^-8\)

Finally, we can find the ratio of k at 310 K to k at 300 K:

\(k(310) / k(300) = (3.29 x 10^-8) / (2.6 x 10^-8)k(310) / k(300) = 1.26\)

Therefore, the ratio of k at 310 K to k at 300 K is approximately 1 (to the nearest whole number).

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Answer:

unbalanced

Explanation:

as the atoms on the one side do not equal to the atoms on the other sides

Answer:

The inner core is a hot, dense ball of (mostly) iron. It has a radius of about 1,220 kilometers (758 miles). Temperature in the inner core is about 5,200° Celsius (9,392° Fahrenheit). The pressure is nearly 3.6 million atmosphere (atm).

Explanation:

Answer:

yes

Explanation:

The free energy of activation will be the difference in free energy between the transition state as well as the substrate. Option D is correct.

The free energy of activation (also known as activation energy) is the energy barrier that must be overcome for a chemical reaction to occur. It represents the minimum amount of energy required for the reactants to reach the transition state, where bonds are being broken and formed.

The transition state is the high-energy, unstable state which occurs during a chemical reaction. The free energy of activation is the difference in free energy between the transition state and the starting reactants (substrate). It is the energy difference required to convert the substrate into the transition state.

Hence, D. is the correct option.

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Answer:

Joule

Explanation:

Answer:

Ion and a Positive Charge. :)

Explanation:

Hope this helps have a nice day! :D

Answer:

See explanation

Explanation:

In each chlorine atom, there are seven valence electrons. Recall that each chlorine atom only needs one electron in order to achieve the stable octet structure.

As a result of this, the chlorine atoms in Cl2 share two electrons contributed by each of the bonding atoms. By so doing, each atom achieves the stable octet as required by the octet rule.

When boron-10 captures a neutron, it forms lithium-7 and an alpha particle (helium nucleus). The balanced equation for this reaction is: B-10 + n -> Li-7 + alpha particle

A helium nucleus is a particle that consists of two protons and two neutrons bound together by the strong nuclear force, and is also known as an alpha particle. It is denoted by the chemical symbol α, and has a mass of approximately 4 atomic mass units. Helium nuclei are produced naturally in the process of alpha decay, which occurs when a heavy, unstable nucleus emits an alpha particle to become more stable. Helium nuclei are also used in a variety of applications, such as in nuclear physics research, in medical radiotherapy, and in smoke detectors.

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Answer:

Hi

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Thanks

Explanation:

Correct answer is D

Energy A

Look at this

Energy required to break bonds that is intermolecular forces

a) The snack that will expend more energy is peanuts and the least is marshmallows. b) Almonds have a higher output compared to other snacks. c)To determine the heat capacity of a calorimeter, we can weigh a known mass of water and measure its temperature followed by raising its temperature and measuring the final temperature. The change in temperature along with its specific heat capacity will give the heat absorbed by the calorimeter.

A) When comparing various snacks (peanuts, pretzels, cashews, marshmallows, tortilla chips, popcorn, and cheese puffs), the snack that will likely expend the most energy is peanuts, and the snack that will likely expend the least energy is marshmallows. The scientific reasoning is based on the caloric content and composition of the snacks. Peanuts have a high fat and protein content, which provides more calories per gram (9 kcal/g for fat, 4 kcal/g for protein) than carbohydrates (4 kcal/g). Marshmallows, on the other hand, primarily consist of sugar, which is a carbohydrate, and therefore provide fewer calories per gram compared to peanuts.

B) A snack that could have a higher output than the ones listed above is almonds. Almonds are also high in fat and protein, similar to peanuts, but they typically contain even more calories per gram, making them a higher-energy snack option.

C) To determine the heat capacity of a calorimeter, you can use the following method:
1. Weigh a known mass of water (m_water) and add it to the calorimeter.
2. Measure the initial temperature (T_initial) of the water.
3. Add a known amount of energy (Q) to the calorimeter, either by adding a known mass of a substance at a known temperature or by using an electrical heater with known power and time.
4. Stir the water and measure the final temperature (T_final) of the water.
5. Calculate the change in temperature (ΔT) by subtracting the initial temperature from the final temperature: ΔT = T_final - T_initial.
6. Use the specific heat capacity of water (c_water = 4.18 J/g°C), the mass of the water (m_water), and the change in temperature (ΔT) to calculate the heat absorbed by the water: \(Q_{water}\) = m_water × c_water × ΔT.
7. Subtract the heat absorbed by the water (\(Q_{water}\)) from the total heat added (Q) to obtain the heat absorbed by the calorimeter (\(Q_{calorimeter}\)): \(Q_{calorimeter}\) = Q -  \(Q_{water}\).
8. Divide the heat absorbed by the calorimeter (\(Q_{calorimeter}\)) by the change in temperature (ΔT) to determine the heat capacity of the calorimeter: Heat Capacity = \(Q_{calorimeter}\)r / ΔT.

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The empirical formula for a compound which contains 0.0134 g of iron, 0.00769 g of sulfur and 0.0115 g of oxygen is FeS2O3.

First determine the ratio of each element. Divide the mass of each element by its atomic weight and then divide the results by the smallest value obtained.

The atomic weights are: Fe=55.845, S=32.065 and O=16.00. Dividing the mass of each element by its atomic weight gives the following ratios: Fe=0.0240, S=0.0024 and O=0.0072.

Dividing the ratios by the smallest value (0.0024) gives us 10, 1 and 3 respectively. This means that the empirical formula is Fe10S1O3.

We must divide all values by the highest common factor, which in this case is 2. This gives us Fe5S1/2O3/2 or FeS2O3.

Therefore, the empirical formula for a compound which contains 0.0134 g of iron, 0.00769 g of sulfur and 0.0115 g of oxygen is FeS2O3.

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Given data:H2O vapor content: 13 gramsH2O vapor capacity: 52 grams at 25 degrees Celsius 13 grams at 10∘C52 grams at 30∘CFormula used to find the dew point:$$\dfrac{13}{52}=\dfrac{(A*3\pi)/(ln100)}{(17.27-A)}$$$$\frac{1}{4}=\dfrac{(A*3\pi)/(ln100)}{(17.27-A)}$$

Where A is the constantDew Point:It is the temperature at which air becomes saturated with water vapor when the temperature drops to a point where dew, frost or ice forms. To solve this question, substitute the given data into the formula.$$13/52=\dfrac{(A*3\pi)/(ln100)}{(17.27-A)}$$$$13(17.27-A)=3\pi A(ln100)$$By simplifying the above expression, we get$$A^2-17.27A+64.78=0$$Using the quadratic formula, we get$$A=9.9,7.4$$

The dew point is 7.4 since it is less than 10°C.More than 100:The term "More than 100" has not been used in the question provided.

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Answer:

c. F

Explanation:

As you go top to bottom down a column of the periodic table, atomic radius increases.

As you go left to right across a period of the periodic table, atomic radius decreases.

Knowing this trend, that means that the smallest atomic radius would be located in the top right of the periodic table. The closest element to that point is fluorine, or answer C.