how many valence electrons does a tin (sn) atom have?

C12H22O11 (s) + 12O2 (g) ⇒ 12CO2 (g) + 11H2O (g)

The container that contains 0 milliliters per liter (ml/L) means that there is no fungus control being added to the container, which means that this container is the control group in this experiment.

In this case, the 0 ml/L concentration represents the absence of the fungus mixture, and can serve as a reference to compare the results of the other groups. The insects in the 0 ml/L group can be considered a control group because they will provide a baseline measurement of the number of insects that are still alive after one week without the presence of the fungus mixture.

This will allow the researchers to determine if the fungus mixture had any effect on the insects, or if the decrease in insect numbers was due to other factors such as natural death or migration. By including the 0 ml/L concentration as a control group, the researchers can improve the validity of the results and increase the reliability of the conclusions drawn from the experiment.

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There are three possible macrostates for placing 4 atoms into two boxes: Macrostate a: All four atoms in the left box and zero atoms in the right box. In this configuration, all the atoms are concentrated in one box, resulting in a high level of order.

2. Macrostate b: Three atoms in the left box and one atom in the right box. In this configuration, there is a partial distribution of atoms between the two boxes, creating a less ordered state compared to macrostate a.

3. Macrostate c: Two atoms in the left box and two atoms in the right box. This configuration represents an equal distribution of atoms between the two boxes, resulting in the highest level of disorder or entropy.

These macrostates illustrate the concept of entropy, which is a measure of the disorder or randomness in a system. The higher the entropy, the greater the number of possible microstates (arrangements of atoms) within a given macrostate.

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Reaction rate at

What is reaction rate?

The rate of a chemical reaction is defined as rate of change in concentration of a reactant or product divided by its coefficient from the balanced equation

Reaction rate = \(\frac{mass of tablet / volume of water }{reaction time}\)

For 3° C:

Reaction rate = \(\frac{1000mg / 0.200L}{138.5 sec}\) = 36.1 mg/L/sec

For 24 °C:

Reaction rate = \(\frac{1000/0.200}{34.2}\) = 146.2 mg/L/sec

For 40°C:

Reaction rate = \(\frac{1000/0.200}{26.3}\) = 190.1 mg/L/sec

For 65 °C:

Reaction rate = \(\frac{1000/0.200}{14.2}\) = 352.1 mg/L/sec

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To find the equilibrium partial pressure of HI in the reaction vessel at 825 °C, we can use the equilibrium constant expression, which relates the concentrations (or in this case, partial pressures) of the reactants and products at equilibrium.

Since the initial partial pressures of H2 and I2 are both 0.140 atm, we can substitute these values into the equilibrium constant expression. However, since there is initially no HI present, we can substitute 0 for [HI] Kp = (0)^2 / (0.140 he equilibrium partial pressure of HI in the reaction vessel would be zero.

Since any number divided by zero is undefined, it means that at the given conditions, t This implies that no HI would be present at equilibrium. Therefore, the equilibrium partial pressure of HI in the sealed reaction vessel at 825 °C, when the initial partial pressures of H2 and I2 are both 0.140 atm and there is initially no HI present, is 0 atm.

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Answer:

how easily a liquid flows

Answer:

Moving water

Explanation:

Answer:

moving water is the answer

Explanation:

:)

Answer:

gravitational force.

Answer:

quantity A is mass and quantity B is wieght

Answer:

D. is correct, like the first person said

Explanation:

Answer:

insoluble substances

Explanation:

Answer:

9.52 x 10²³molecules

Explanation:

Given parameters:

Mass of carbon dioxide  = 69.59g

Unknown:

Number of molecules  = ?

Solution:

To solve this problem, we must understand:

      1 mole of a substance  contains 6.02 x 10²³ molecules

Now, first find the number of moles of carbon dioxide;

 Number of moles  = \(\frac{mass}{molar mass}\)  

 Molar mass of carbon dioxide  = 12 + 2(32)  = 44g/mol

  Number of moles  = \(\frac{69.59}{44}\)   = 1.58moles

So;

          1 mole of a substance  contains 6.02 x 10²³ molecules

       1.58moles of carbon dioxide will contain 1.58 x  6.02 x 10²³

                                                                 = 9.52 x 10²³molecules

The potential energy diagram for the reaction N02(0) -> JN2(9) + 02(9) should be a curve that descends from reactants to intermediates and then ascends to products, with a label indicating that ΔH = -33.1 kJ/mol.

A potential energy diagram of a reaction is a graph that demonstrates the progress of a reaction and the changes in potential energy that occur over time. The vertical axis of the diagram shows potential energy, and the horizontal axis shows reaction progress. Reactants are shown on the left, intermediates are shown in the middle, and products are shown on the right. The reaction pathway is depicted with a curve that descends from reactants to intermediates and then ascends to products. Labeling the enthalpy of a reaction involves identifying its enthalpy change. The enthalpy change (ΔH) of a reaction is the heat absorbed or given off by the system at a constant pressure. The reaction N02(0) -> JN2(9) + 02(9) has ΔH = -33.1 kJ/mol. The reaction is exothermic because the enthalpy change is negative.

The potential energy diagram for this reaction should be a curve that descends from reactants to intermediates and then ascends to products. The enthalpy change should be labelled in the diagram. If the enthalpy change is negative, then it should be labelled as a negative value. If the enthalpy change is positive, then it should be labelled as a positive value.

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dog water ;-; yes friend

Answer:

The temperature will be 384.7 K

Explanation:

Charles's Law consists of the relationship that exists between the volume and the temperature of a certain quantity of ideal gas, which is maintained at a constant pressure, by means of a constant of proportionality that is applied directly. For a given sum of gas at a constant pressure, as the temperature increases, the volume of the gas increases and as the temperature decreases, the volume of the gas decreases because the temperature is directly related to the energy of the movement of the gas molecules. .

In summary, Charles's law is a law that says that when the amount of gas and pressure are kept constant, the quotient that exists between the volume and the temperature will always have the same value:

\(\frac{V}{T} =k\)

Having an initial state 1 and a final state 2, the following is true:

\(\frac{V1}{T1} =\frac{V2}{T2}\)

In this case:

Replacing:

\(\frac{33.9 L}{285.4 K} =\frac{45.7 L}{T2}\)

Solving:

\(T2=45.7 L*\frac{285.4 K}{33.9 L}\)

T2= 384.7 K

The temperature will be 384.7 K

Atoms of a substance gain kinetic energy, when thermal energy is applied to it. Therefore, option B is correct.

When thermal energy is applied to a molecule, it increases the kinetic energy of the molecule. Thermal energy refers to the total energy associated with the random motion of particles within a substance.

The relationship between temperature and the average kinetic energy of a molecule is described by the kinetic theory of gases.

As thermal energy is added to a system, the average kinetic energy of the molecules increases. This happens because the energy is transferred to the molecules through collisions between them. Therefore, option B (atoms gain kinetic energy) is correct.

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Answer:

A measurement is the action of measuring something, or some amount of stuff. So it is important to measure certain things right, distance, time, and accuracy are all great things to measure. Measurements can also allow us to make desicions based on the outcome of the measurement

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What happens to the state of liquid water if enough heat is added?

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Answer:

a solute is a substance that is dissolved in the solvent (liquid)

a solvent is a substance that dissolves a solute (solid)

a solution is the mixture of both the solute and solvent forming uniform mixture

100 yards = 300 feet = 3,600 inches LONG. (Does not include the touchdown zone)

52.7 yards = 158.1 feet = 1,897.2 inches WIDE.

If you're looking for AREA in inches, then it's 6,829,920 SQUARE inches.