Explain why no reaction takes place between methane and chlorine at room temperature unless the reactants are sparked, exposed to UV light or heated.

To solve for the specific heat of the metal, we can use the formula:

q = mcΔT

where q is the heat gained or lost, m is the mass of the substance, c is the specific heat capacity of the substance, and ΔT is the change in temperature.

First, let's calculate the heat gained by the water:

q_water = mcΔT
= (38.6 g)(4.18 J/g°C)(32.5 - 25.2)°C
= 1,230.8 J

Next, let's calculate the heat lost by the metal:

q_metal = -q_water
= -1,230.8 J

Note that we use a negative sign for q_metal because the metal is losing heat to the water.

Now we can solve for the specific heat of the metal:

q_metal = mcΔT
-1,230.8 J = (45.2 g)c(32.5 - 100.0)°C
c = 0.473 J/g°C

Therefore, the specific heat of the metal is 0.473 J/g°C.

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The Tyndall effect can be used to detect whether an unknown sample is a suspension, colloid, or homogeneous solution.

Light can always travel through a solution, and there is never any general light scattering. Between solutions and suspensions, a colloid exists. By diffusing the incoming light, it produces the Tyndall effect. A suspension is hazy and contains visible suspended particles. The suspensions obstruct the passage of light.

A combination that is heterogeneous and has some of its particles settle out as it stands is called a suspension. Therefore, if a beam of light is passed through your sample and it scatters, it is either a suspension or a colloid. It is a solution if it doesn't scatter.

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Answer:

See explanation

Explanation:

Before the advent of the wave-particle duality theory proposed by Louis de Broglie, there was a sharp distinction between mater and waves.

However, Louis de Broglie introduced the idea that mater could display wave-like properties.  Erwin Schrödinger developed this idea into what is now known as the wave mechanical model of the atom.

In this model, electrons are regarded as waves. We can only determine the probability of finding the electron within certain high probability regions within the atom called orbitals.

This idea has been the longest surviving atomic model and has greatly increased our understanding of atoms.

Answer:

energy

that seems like the most relevant answer

The main intermolecular forces that act between a water molecule and a hydrogen peroxide (H2O2) molecule are hydrogen bonding and dipole-dipole interactions.

Hydrogen bonding occurs between the hydrogen atom in the water molecule and the oxygen atom in the H2O2 molecule. This is because both molecules have polar covalent bonds, which result in partial charges on their atoms.

Hydrogen bonding is a type of dipole-dipole interaction, which occurs between two molecules with permanent dipoles. The oxygen atom in the water molecule is partially negative, while the hydrogen atoms are partially positive, creating a dipole.

The oxygen atoms in the H2O2 molecule are also partially negative, resulting in another dipole. These dipoles interact, leading to dipole-dipole interactions. These intermolecular forces help to hold the water and H2O2 molecules together, enabling them to mix and interact with each other.

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Answer:

Explanation:

1.An atom with a neutral charge are expected to have the same number of electrons and protons from Henry assumption (1914).

2. An atom with different number of electrons and protons are charge atom and they are called ion.

3. Yes.

The value of Δn for the given equation in relation to Kc (equilibrium constant) and Kp is 1.

In the given chemical equation,

Two solid potassium (K) react with two liquid water (H2O) to form two aqueous potassium hydroxide (KOH) and gaseous hydrogen (H2) in an equilibrium process.

The change in the number of moles (δn) for the given reaction is equal to the difference in the total number of moles of the product and reactant side.

According to the chemical equation,

Two solid potassium (K) react with two liquid water (H2O) to form two aqueous potassium hydroxide (KOH) and gaseous hydrogen (H2) in an equilibrium process.

Initially, the total number of moles of reactants = 2 moles of K + 2 moles of H2O= 2 moles of K2 + 1 = 5

Total number of moles of products = 2 moles of KOH + 1 mole of H2= 2 moles of K2 + 1 = 5

Total moles of reactants and products = 10

The number of moles of gaseous products = 1, H2

The number of moles of gaseous reactants = 0

Therefore, δn = (number of moles of gaseous products) - (number of moles of gaseous reactants)= 1 - 0= 1

Therefore, δn for the given chemical equation is 1.

Relating Kp and Kc:Kp and Kc can be related to each other by using the following equation:

Kp = Kc (RT)Δn

Where, R is the gas constant (0.082 L atm/K mol),

T is the temperature, and Δn is the difference in the number of moles of gaseous products and reactants.

Kc for the given chemical equation is given by,

Kc = [KOH]2[H2]1/[K]2[H2O]2

Therefore,Δn = (2 + 1) - (2 + 0) = 3

Now, using the above equation,

we haveKp = Kc (RT)Δn= Kc (RT)3

The above equation relates Kp and Kc. Here, Kp can be determined if Kc and Δn are known and vice versa.

Hence, the value of Δn for the given equation in relation to Kc and Kp is 1.

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Butane < acetone < 1-propanol  is a list of the compounds in order of increasing boiling points.

The intermolecular interactions between molecules in a compound play a major role in boiling point. Higher boiling temperatures are a result of greater intermolecular interactions, bigger masses, and less branching.

The highest boiling point is for HF. As we go from HF to HI, the van der Waals forces of attraction between all hydrogen halides get stronger.

Boiling point rises as the difference in electronegativity grows. Additionally, the bp grows as the molecule's size does. So the sequence is CO2, CS2, CCl4, and then H2O.

Van der Waals attraction and dipole-dipole attraction draw acetone molecules together.

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The pressure of a gas is directly proportional to its volume, according to Boyle's Law. this pressure is less than the maximum pressure that the can can withstand (3,800 kPa), the can will not burst.

Therefore, we can use the following equation to find the pressure of the gas in the can after it is crushed: P1V1 = P2V2 where P1 and V1 are the initial pressure and volume of the gas, and P2 and V2 are the final pressure and volume of the gas, respectively. Given that the initial volume (V1) of the gas in the can is 235 mL and the initial pressure (P1) is 110 kPa, we can substitute these values into the equation P1V1 = P2V2 110 kPa × 235 mL = P2 × 8.5 mL Solving for P2, we get: P2 = (110 kPa × 235 mL) / 8.5 mL P2 = 3,027 kPa Therefore, the pressure of the gas in the can after it is crushed to a volume of 8.5 mL is 3,027 kPa. Since this pressure is less than the maximum pressure that the can can withstand (3,800 kPa), the can will not burst.

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Yes, different substances have different Specific Heat Capacities. This is because different substances have different molecular structures and arrangements, which can affect their ability to absorb and release energy.

Specifically, the heat capacity of a substance is a measure of the energy needed to increase the temperature of a given mass of the substance by one degree Celsius. Different substances absorb and release energy at different rates and hence have different heat capacities.

For example, water has a relatively high specific heat capacity, meaning it requires more energy to increase its temperature by one degree Celsius than other substances with lower heat capacities. This is because water molecules are strongly attracted to each other, making it harder to separate them, thus requiring more energy to cause a temperature change. On the other hand, other substances such as air have a much lower specific heat capacity, meaning it requires less energy to increase their  temperature by one degree Celsius.

In summary, different substances have different specific heat capacities due to their different molecular structures and arrangements, which affect their ability to absorb and release energy at different rates.

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Answer:

distillation

Explanation:

Try to dissolve the solid mix in boiling water. Silver chloride will not dissolve, we can filtrate to isolate solid silver chloride. In the filtrate is a solution of lead(II) chloride and sodium chloride. Let this solution cool and lead chloride will precipitate, we can again filtrate to isolate lead chloride.

So definitely, it is distillation.

The number of the hydrogen atoms that would be required from the diagram is 10.

A Saturated compound has all its carbon atoms connected by single bonds, and each carbon atom is bonded to the maximum number of hydrogen atoms possible. This arrangement allows the compound to have no available or unsaturated bonds for additional atoms.

The compound that is shown must be butane as such the number of the hydrogen atoms that it contains is a total of ten.

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Answer:

12.306

Explanation:

12.3+0.005675=12.305675 just put answer as 12.306

Answer:

12.3

Explanation:

I just did it and got it right

Answer:

cactus

Explanation:

Its a plant so it makes it own food

Answer:

?

Explanation:

Sodium chloride is white, crystalline solid at room temperature.

It is a compound whose components atoms are sodium and chlorine.

The atoms of the two elements combine chemically through an ionic bond. The sodium donates it valence electron to the chlorine atom.

Thus, sodium chloride is an ionic compound. It has a characteristic white appearance and crystalline structure.

The compound is a solid at room temperature. It has a melting point of 801 °C.

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Answer:

32 atoms

Explanation:

An element with just is a letter is represented as 1 atom

An element with a number after it shows how many atoms (not one atom) is of that element.

I'm not sure if the (6)'s are trying throw you off.

Answer:

The order of the reaction with respect to D is 2, and the order with respect to G is 1.

Explanation:

To determine the order of a reaction with respect to each reactant, we look at how changing the concentration of a reactant changes the rate of the reaction.

Looking at the initial concentrations and rates for D in experiments 1 and 2, when the concentration of D is doubled (from 0.025 to 0.050), the rate of reaction quadruples (from 0.00480 to 0.0192). This indicates that the order of the reaction with respect to D is 2, because the rate of reaction changes by the square of the change in concentration.

Next, we look at the initial concentrations and rates for G in experiments 3 and 4. In these experiments, when the concentration of G is quadrupled (from 0.020 to 0.080), the rate of the reaction also quadruples (from 0.0986 to 0.394). This indicates that the order of the reaction with respect to G is 1, because the rate of reaction changes directly with the change in concentration.

So, the order of the reaction with respect to D is 2, and the order with respect to G is 1.

The 40 seconds long will SO₂ take to effuse from a container of 0. 3dm under similar conditions.

What is graham's Law?

According to Graham's law, the square root of a gas's molecular weight has an inverse relationship to the rate of effusion or diffusion of that gas.

r₁ / r₂ = √(M₂ / M₁)

Where,

r₁ = rate of effusion for gas 1

r₂ = rate of effusion for gas 2

M₁ = molar mass of gas 1

M₂ = molar mass of gas 2

As given,

X ml of Helium gas takes 10 seconds to effuse.

Apply Law,

r₁ / r₂ = √ (M₂ / M₁)

[Note: 1 superscript is use for He gas, and 2 superscript is use for SO₂.]

(X/10) / (t/X) = √ (64/ 4)

t/10 = √16

t/10 = 4

t = 40 sec

Hence, the 40 seconds long will SO2 take to effuse from a container of 0. 3dm under similar conditions.

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Answer:

Sugar

Explanation:

This is because water and carbon dioxide are required during photosynthesis. Oxygen along with glucose, that is a type of sugar is produced. The oxygen is diffused out in to the air, while the sugars are stored in the leaf thus light energy captured during photosynthesis is stored as 'sugar'

To determine the ratio of ratios for the two compounds, we need to compare the percentages of sulfur and oxygen in each compound. The ratio of ratios for the two compounds is 1.25/8.93.

Compound 1:

Sulfur (S) = 50.0%

Oxygen (O) = 50.0%

Compound 2:

Sulfur (S) = 40.0%

Oxygen (O) = 5.600% Now, let's calculate the ratio of ratios: Ratio of sulfur (S): Compound 1: Compound 2 = 50.0% / 40.0% = 1.25

Ratio of oxygen (O): Compound 1: Compound 2 = 50.0% / 5.600% = 8.93. Therefore, the ratio of ratios for the two compounds is 1.25/8.93. Compounds are substances composed of two or more elements chemically bonded together. In a compound, the constituent elements are present in fixed proportions and are held together by chemical bonds.

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Answer:

60.01 kJ energy to melt 180g of ice, assuming my figure for heat of fusion.

Explanation:

Please check the wording of the question.  "6,01 kmoland the molar - mass of ice is 18.02 g/mol" is hard to interpret.  

I'll assume the heat of fusion of ice is 6.01 kJ/mole?

180 grams of solid water (ice) is 180g/(18.02 g/mole) or 9.999 moles, rounded to 3 sig figs to 10 moles.

(10 moles H2O)*(6.01 kJ/mole) = 60.01 kJ energy to melt 180g of ice.

Answer:

neutrons should be added with the protons

Answer:

B

............. M

Explanation:

Emergence

The color of the observed emission in a flame test for a solution containing calcium nitrate, which produces a brick-red flame, is characteristic of the calcium ion. In a flame test, the metal ions in a compound are the primary contributors to the observed color.

This is because the metal ions get excited due to the heat from the flame and then release energy in the form of light when they return to their ground state. The nitrate ion, being a non-metal, does not significantly contribute to the color of the flame in this test. Instead, the nitrate ion acts as a spectator ion that doesn't participate actively in the flame test. The distinct brick-red color of the flame is a result of the specific electronic transitions that occur in the calcium ion. Thus, the characteristic color of the emission observed in the flame test for a solution containing calcium nitrate can be attributed to the calcium ion, not the nitrate ion or both.

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Answer: Calcium Hydroxide

Explanation:

CaOH will as it is the only base, the rest is acid

Integrated rate laws connect reactant initial and final concentrations to reaction rate constant, determining the rate constant or time required for a concentration change in first and second-order reactions.

The integrated rate laws are mathematical expressions that connect the initial and final concentrations of a reactant to the rate constant of the reaction. The integrated rate laws for first and second-order reactions are as follows:First-order reactions:

\($$\ln[A]_t = -kt + \ln[A]_0$$\)

where [A]t and [A]0 are the concentrations of A at time t and the initial concentration, respectively, and k is the rate constant of the reaction.

Second-order reactions:

\($$\frac{1}{[A]_t} = kt + \frac{1}{[A]_0}$$\)

where [A]t and [A]0 are the concentrations of A at time t and the initial concentration, respectively, and k is the rate constant of the reaction.

The integrated rate laws for first and second-order reactions can be used to determine the rate constant or the time required for a given concentration change.

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Answer:

regolith

Explanation: