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2. Calculate the volume for the following object If you know that the object has a mass of 24 grams and the density is 12 g/ml.

Answer: A balanced chemical reaction is A balanced chemical equation where the number of atoms of each type in the response is the same on both reactants and product sides.

Explanation: Burning, and cooking are 2 examples.

The charge on the ions in an ionic compound containing cobalt(III) and fluoride ions is Co³⁺ and F⁻¹ and the formula of the compound is CoF₃.

Ionic compounds are a type of chemical compound where the oppositely-charged ions of a metal and a nonmetal are attracted to each other to form an ionic bond.

The compound formed from the bonded ions will have very different properties from the elements that make up the compound.

While atoms are neutral because they have an equal number of protons and electrons, ions have a net charge and result when an atom loses or gains electrons.

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Easy!!

2+17=19

#hope that helps

Answer:

To find the answer you may

2+17=19

Explanation:

so that is the answer I'm sorry,to not give all the solutions

Answer:

  -172.6 °C

Explanation:

You want to know the Celsius equivalent of the temperature 100.6 K.

The relation is ...

  C = K - 273.15

  C = 100.6 -273.15 = -172.55

The temperature is -172.55 °C, about -172.6 °C.

__

Additional comment

We have rounded to tenths, because that is precision of the temperature given. If you use 273 as the conversion constant, you will get -172.4.

Answer:

Unlike the speed of your car when running errands, the speed of light is constant throughout the universe and is known to high precision. ... To find the distance of a light-year, you multiply this speed by the number of hours in a year (8,766). The result: One light-year equals 5,878,625,370,000 miles (9.5 trillion km).

Answer:

-Speed of light is the fastest speed ever imaginable. No object having a mass can go faster than light.

Light year is the distance traveled by light, if it moves continuously for 1 whole year, or roughly 365 days.

Explanation:

Answer: The Law of Conservation of Mass dates from Antoine Lavoisier's 1789 discovery that mass is neither created nor destroyed in chemical reactions. In other words, the mass of any one element at the beginning of a reaction will equal the mass of that element at the end of the reaction.

Explanation:

The total pressure in a mixture of gases is equal to the partial pressure of all the gases added together

According to Dalton's Law of Partial Pressure,  The total pressure exerted by a mixture of gases which are non reacting is equal to the sum of the partial pressure of each individual gas that make up the mixture

Mathematically, Ut can be written as

P{total}= p1+p2, ....+ pn

where p1, p2, …, pn are partial pressures of each gas component.

For example :A gaseous mixture consisting of Helium and Nitrogen gas . If the pressure exerted by He is 3 atm while Nitrogeb exerted is 9 atm. The total pressure will be:

P{total}= p1+p2, ....+ pn

P{total}= 3+9

P{total}= 12

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Answer:

among these which is not a base is CaSO4

By definition

The electronegativity of an element is defined as the relative ability of an atom to attract electrons from another atom to chemically bond and form a compound.

In other words, electronegativity is a measure of the attractive force that one atom exerts on the electrons of another when a chemical bond forms.

The polarity of a chemical bond occurs when there is an asymmetric distribution of the electron cloud of the bond around the two atoms that form said bond. This happens when both atoms have different electronegativity.

This is, the polarity of a bond is determined by the difference in electronegativity between the atoms that form it.

If the atoms forming the bond have very similar electronegativities, the bond is nonpolar.

On the contrary, if the difference in electronegativity is appreciable, the bond is polar and the electrons are not shared in a balanced way, creating electric dipoles.

There are molecules whose bonds are polar and yet the molecules are nonpolar due to their geometry. This causes the dipole moments of the individual bonds to be canceled and, globally, the molecule will be apolar.

That is, the different dipole moments cancel each other out.

In summary, its is possible for a molecule to have a polar bond but have an overall polarity of nonpolar.​

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The percent yield for the reaction of a sample of 0.49 g of carbon dioxide was obtained by heating 1.22 g of calcium carbonate is 92.4%

Given the mass of carbon dioxide (\(CO2\)) = 0.49g

The mass of calcium carbonate (\(CaCO3\)) = 1.22g

The reaction is as follows:

\(CaCO3(s) -- > CaO(s)+CO2(s)\)

As we see 1 mole of CaCO3 is required to produce 1 mole of \(CO2\)

The molar mass of calcium carbonate, = 100.09 g/mol.

The molar mass of given carbon dioxide = 44g

mass of \(CaCO3\) used = number of moles x molar mass = 1 * 100 = 100g

Mass of \(CO2\) produced = 1 * 44 = 44g

Here for 100g of \(CaCO3\) 44g of \(CO2\) is produced.

Then for 1.22g of \(CaCO3\) = 44 * 1.22/100 = 0.53g of \(CO2\) is produced.

But the actual yield of carbon dioxide is 0.49 g

The percent yield is calculated by dividing the actual yield by the theoretical yield and multiplying by 100.

percent yield = 0.49/0.53 * 100 = 92.4%

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The answer is: The electronic configuration of Nitrogen is \(1s^22s^22p^3\).

Electronic configuration: The electronic configuration is defined as the distribution of electrons of an atom in the atomic or molecular orbitals and is written using the labels for the subshell.

How to decide which orbital is filled first?

(Shown in image)

         \(1s^22s^22p^3\)

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Nitrogen's complete electron configuration is 12s2s22p3.

The shorthand electron configuration for noble gases is [He] 2s22p3. Nitrogen has an atomic number of 7. The nitrogen atoms' nucleus contain this many protons. An atom that is neutral has an equal number of protons and electrons. Thus, the ground state electron configuration will consist of 7 electrons in the suitable s and p orbitals (state of lowest energy). For nitrogen, the entire electron configuration is 1s22s22p. Scientists may easily express and explain how the electrons are organized around the nitrogen atom's nucleus by using the configuration notation for nitrogen (N). As a result, it is simpler to comprehend and forecast how atoms will cooperate to form chemical bonds.

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Answer:

Phosphorus

Explanation:

Answer:

Pretty sure it's B

Explanation:

Answer:

253.83996

Explanation:

multiple the pressure value by 760

1. When 36.0 g of H₂O is mixed with 67.0g of Fe, the moles of Fe₃O₄ produced by each reactant will be;

2. Fe is the limiting reactant.

3. H₂O is the excess reactant

4. The theoretical Yield amount in mol Fe₃O₄ is 0.4 moles

5. The actual yield is obtained from the lab

6. The mass of excess reactant is 7.2 g

Equation of the reaction: 3 Fe + 4 H₂O ---> Fe₃O₄ + 2 H₂

Molar mass of Fe = 56 g

Molar mass of H₂O = 18 g

Molar mass of Fe₃O₄ = 232 g /mol

Molar mass of H₂ = 2.0 g

1. When 36.0 g of H₂O is mixed with 67.0g of Fe, the moles of Fe₃O₄ produced by each reactant will be;

H₂O:

moles of Fe₃O₄ produced= 36/18 * 1/4

moles of Fe₃O₄ produced = 0.5 moles

Fe:

moles of Fe₃O₄ produced = 67/56 * 1/3

moles of Fe₃O₄ produced = 0.40 moles

Fe is the limiting reagent while H₂O is the excess reagent.

Moles of H₂O required = 36/18 - 0.4 * 4

Moles of H₂O required = 0.4 moles

The mass of excess reagent = 0.4 * 18

The mass of excess reagent = 7.2 g

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If you increase the pressure of the reaction 2A(g) + B(g)C(g) + 2D(g)the reaction will shift forward to the side with little moles of gas.

Le Chatelier's principle states that if pressure is raised, the reaction will favor the direction with a lower number of gas moles.

On this  case, the cleared out side includes a add up to of three gas moles (two moles of A and one mole of B), whereas the correct side covers four gas moles (one mole of C and two moles of D). In this way, the balance will move towards the left-hand side in arrange to diminish the collective gas particles and relieve the rise in weight. The levels of A and B will rise, as the levels of C and D will decrease.

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The arrow in a chemical equation represents the direction of the reaction. It indicates the conversion of reactants into products. The arrow points from the reactant side to the product side, symbolizing the flow of the reaction.

The purpose of the arrow is to visually represent the chemical transformation occurring in the reaction. It shows the relationship between the reactants and products and the direction in which the reaction proceeds. The arrow implies that the reactant molecules are being rearranged and transformed into new substances with different properties.

Chemical equations are used to describe the stoichiometry and balance of reactions. The arrow helps convey this information by illustrating the overall process taking place. It serves as a crucial element in understanding the reaction's composition, reaction conditions, and the substances involved.

Furthermore, the arrow also implies that the reaction can occur in both directions. In reversible reactions, the arrow can be represented as a double-headed arrow, indicating that the reaction can proceed in either direction depending on the conditions.

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Answer:

this is the answer to ur question hope it helpful

Answer:

There are 6 atoms of oxygen in 2Ca(NO3)2

Answer: Atoms are the smallest particles of an element.

There are numerous ways to determine whether lead is present in an ore. Atomic absorption spectroscopy is a popular approach. With this method, an ore sample is dissolved in acid and then atomized in a flame or plasma.

The sample's atoms will absorb light at particular wavelengths that are peculiar to the element under investigation. The amount of light absorbed can be used to calculate how much lead is present in the sample. Inductively coupled plasma mass spectrometry and X-ray fluorescence spectroscopy are further techniques. It is crucial to remember that these procedures call for specialized tools and training, thus they ought to only be carried out in a lab by qualified experts.

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The balanced redox reaction is

\(3F(e)_3+ + 2N O^{-2} + 4H_2O\)→ \(3F(e)_2+ + 2N O^{-3} + 4H+\)

Let's start balancing the redox reaction. Here is the given redox reaction:

\(3F(e)_3+ + 2N O^{-2} + 4H_2O\) → \(F(e)_2+ + H+ + N O^{-3}\)

Step 1: Separate the redox reaction into two half-reactions.Half-reaction 1: \(F(e)_3+\)→ \(F(e)_2+\) Half-reaction 2: \(N O^{-2}+ H_2O\) → \(N O^{-3}+ H+\)

Step 2: Balance the elements other than H and O in each half-reaction. Balanced Half-reaction 1: \(F(e)_3+\) →\(F(e)_2+\)Balanced Half-reaction 2: \(N O^{-2} + H_2O\) → \(N O^{-3} + H+\)

Step 3: Balance the oxygen atoms by adding H2O to the side that needs oxygen . Balanced Half-reaction 1: \(F(e)_3+\) → \(F(e)_2+\) Balanced Half-reaction 2: \(N O^{-2}+ H_2O\) →\(N O^{-3} + H+ + H_2O\)

Step 4: Balance the hydrogen atoms by adding H+ to the side that needs hydrogen . Balanced Half-reaction 1: \(F(e)_3+\) → \(F(e)_2+\) + e− + H+Balanced Half-reaction 2: \(N O^{-2} + H_2O + H+ - > N O{-3}+ H+ + H_2O + e^-\)

Step 5: Determine the number of electrons required to balance the half-reaction . Balanced Half-reaction 1: \(F(e)_3+ - > F(e)_2+ + e^{-}+ H+\) [3 electrons are required]Balanced Half-reaction 2: \(N O^{2} + H_2O + H+ - > N O^{-3} + H+ + H_2O + e^-\)[2 electrons are required]

Step 6: Multiply the half-reactions by integers to make the number of electrons equal for both half-reactions.Balanced Half-reaction 1:\(3(F(e)_3+ - > F(e)_2+ + e^{-} + H+\) ).Balanced Half-reaction 2: \(2(N O^{-2} + H_2O + H+ - > N O^{-3}+ H+ + H_2O + e^{-})\)

Step 7: Add the balanced half-reactions together\(3F(e)_3+ + 2N O^{-2} + 4H+ - > 3F(e)_2+ + 2N O^{-3} + 2H_2O\) .The balanced redox reaction is:\(3F(e)_3+ + 2N O{-2} + 4H_2O - > 3F(e)_2+ + 2N O^{-3} + 4H+\)

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No, a 1.5 M solution cannot be made from a 0.98 M solution.

Explain molarity

Probably the most frequently used unit of measurement for solution concentration is molarity, abbreviated as (M). The ratio of the number of liters of solution to the number of moles of solvent is known as molarity.

Knowing the molarity (M) of the solution of a specific volume will allow you to calculate the number of moles (n) of a chemical dissolved in a solution (V). The quantity of solvent moles per kilogram is known as molality, which is a property of solutions. Since molality solely depends on the masses of the solute and solvent, which are unaffected by changes in temperature and pressure, it is a particularly advantageous way to estimate concentration.

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The balanced equation for the reaction between cobalt(III) nitrate (\(Co(NO_3)_3\)) and potassium sulfide (\(K_2S\)) is:

\(3 Co(NO_3)3 + 2 K_2S - > 3 CoS + 6 KNO_3\)

In the balanced equation, the stoichiometric coefficient for potassium nitrate (\(KNO_3\)) is 6.

A molecular reaction is a chemical reaction in which two or more molecules combine to form a new compound. Molecular reactions include a wide range of natural and synthetic phenomena, ranging from enzyme-catalyzed transformations to protein folding and drug binding. In a chemical equation, stoichiometric coefficients reflect the relative number of molecules of each reactant and product.

Potassium nitrate is a chemical compound that is commonly used in fertilizers, fireworks, and rocket propellants. It is an ionic salt with the formula \(KNO_3\). Potassium nitrate is a white crystalline substance that is soluble in water. It is also known as saltpeter.What is the balanced chemical equation for the reaction of potassium nitrate and potassium sulfide?\(Co(NO_3)_3 + K_2S → CoS + 3KNO_3\)

This is the balanced chemical equation for the reaction of potassium nitrate and potassium sulfide. The stoichiometric coefficient for potassium nitrate is 3, which means that three molecules of KNO3 are required to react with one molecule of \(K_2S\). On the other hand, the stoichiometric coefficient for \(Co(NO_3)_3\) is 1, which means that only one molecule of  \(Co(NO_3)_3\) is required to react with one molecule of \(K_2S\) .

The stoichiometric coefficient for CoS is also 1, which means that one molecule of CoS is produced for every molecule of \(K_2S\)that reacts.

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The rate of a reflection decreases when the temperature increases

This goes to say that the rate of reflection will go down more whenever there is an increase in temperature

Reflection can simply be defined as the the throwing back by a body of light without absorbing it.

reflection of

In conclusion, the rate of a reflection decreases when the temperature increases

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The mass of the asteroid is C. 1.2 x \(10^{12}\) Kg

To find the mass of the other asteroid, we can rearrange the equation for the gravitational force between two objects:

F = (G * m1 * m2) / \(r^{2}\)

where F is the force of gravity, G is the gravitational constant, m1 and m2 are the masses of the two asteroids, and r is the distance between them.

Given that the distance between the asteroids is 75000 m, the force of gravity between them is 1.14 N, and one asteroid has a mass of 8 x \(10^{7}\) kg, we can substitute these values into the equation and solve for the mass of the other asteroid (m2):

1.14 N = (6.67430 × \(10^{-11}\) N \(m^{2}\)/\(Kg^{2}\) * 8 x \(10^{7}\) kg * \(m2\)) / \((75000 m)^{2}\)

Simplifying and solving the equation, we find that the mass of the other asteroid (m2) is approximately 1.2 x \(10^{12}\) kg. Therefore, Option C is correct.

The question was incomplete. find the full content below:

Two asteroids are 75000 m apart one has a mass of 8 x \(10^{7}\) kg if the force of gravity between them is 1.14 what is the mass of the asteroid

A. 3.4 x \(10^{11}\) kg

B. 8.3 x \(10^{12}\) kg

C. 1.2 x \(10^{12}\) kg

D. 1.2 x \(10^{10}\) kg

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The concentration of the HNO3 solution is 0.117 M.

To solve this problem, we can use the balanced chemical equation to determine the mole ratio of HNO3 to Ba(OH)2:

2HNO3(aq) + Ba(OH)2(aq) ⟶ 2H2O(l) + Ba(NO3)2(aq)

From the equation, we see that 2 moles of HNO3 react with 1 mole of Ba(OH)2 to produce 2 moles of H2O and 1 mole of Ba(NO3)2. Therefore, the moles of HNO3 in the unknown solution can be calculated from the volume and concentration of Ba(OH)2 used:

moles of Ba(OH)2 = concentration × volume = 0.150 M × 0.0411 L = 0.006165 mo

moles of HNO3 = 2 × moles of Ba(OH)2 = 2 × 0.006165 mol = 0.01233 mol

Finally, we can calculate the concentration of the HNO3 solution:

concentration = moles / volume = 0.01233 mol / 0.105 L = 0.117 M

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Answer:

For example, N2O4 is referred to as dinitrogen tetroxide, not dinitrogen tetraoxide, and CO is called carbon monoxide, not carbon monooxide.

...

Binary molecular (covalent) compounds.

Prefixes used in chemical nomenclature

prefix number of atoms

tetra- 4

penta- 5

hexa- 6

Explanation: