vapor pressure primarily depends on two factors. one factor is the types of intermolecular forces present; what is the other?

Answer:

see explanation

Explanation:

The molecular equation => F₂(g)  +  SrCl₂(aq) => SrF₂  + Cl₂(g)

Ionic Equation:  shows all species involved in the reaction. For the ionic reaction given the ionic equation should show all substances in reaction in ionic form along with the molecular formulas of non-ionic compounds. In general, salts that contain a metal and nonmetal that undergo ionization when dissolved in water.  

The ionic equation => Show ionic compounds in ionized form with oxidation states. Do not ionize weak acids weak bases ( molecular compounds.

=>  F₂(g) + Sr⁺² + 2Cl₋ => Sr⁺²(aq) + 2F⁻ +  Cl₂(g)

The net ionic equation =>  shows only species directly involved in the chemical process. If in the net ionic equation that are equivalent on both sides of the working equation, one should remove those compounds from the ionic equation showing only the species involved in the chemical reaction process.  

=>  F₂(g) + Sr⁺²(aq) + 2Cl⁻(aq) => Sr⁺²(aq) + 2F⁻(aq) +  Cl₂(g)

Note that Sr⁺²(aq) is found on the reactant and product sides of the equation. Cancelling Sr⁺² gives the net ionic equation.

=>   F₂(g) + 2Cl₋(aq) =>  2F⁻(aq) +  Cl₂(g)

Answer:

double

Explanation:

.

Answer:

mettaliods

Explanation:

It has the both property of metal and non metal so it is called mettaliod.

Answer:

metalloids

Explanation:

they are solid at roomtempreture and alloys with metals.

examples boron,silicon,arsenic,tellurium

This is correct because each piece of wood has the same composition.

Hope it helps! Please do comment

Answer:

Number of nesting turtles

Explanation:

The dependent variable is the Number of nesting turtles.

The lunar phase may also affect leatherback nesting visually. On clear nights when the Moon is full, visibility may be greater and the presence of tourists and egg predators may discourage turtles from emerging.

When making their way back to the ocean, sea turtles use the light of the Moon and stars to navigate. Sea turtles use the light of the Moon and stars to navigate. Artificial lighting from street lights, buildings, and flashlights on the beach can disrupt their ability to find their way back to the water

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Explanation:

beacuse they can be separeted by evaporation

A solution of salt water is a form of the mixture since salt can be

Answer:

Explanation:                                                                                        

The warm water provides moisture for hurricanes so that hurricanes are strongest over water, and become weak when they reach land.

Hurricanes are forceful winds in the air which are able to destroy even a land completely. One of the most destructive forces on earth is the hurricane. Although the process of a origin of  hurricane is complex.

They need water that is at least 80 degrees first. Air that is wet is the second component. Finally, for a hurricane to form, there must be convergent winds.

A group of thunderstorms moving across the ocean's surface signal the start of the real process. Similar to how a straw absorbs liquid, when the surface water is heated, the storm absorbs heat energy from the water. The air becomes moistened as a result.

The storm can develop into a hurricane if the wind conditions are right. The fuel is this thermal energy. Hence, option c is correct.

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The mass of Hg in the sample is 17.1g.

One of the fundamental quantities in physics and the most fundamental feature of matter is mass. The quantity of matter in a body is referred to as its mass. The kilogram, the standard international unit of mass (kg). You can write the mass formula as follows:

Mass = Density × Volume

The water weighs 1400 g. And one night later, we grew by one. Therefore, multiplying X 12.2 by 1400 multiplied by a million. We therefore possess 0.01708 grammes of mercury. When converted to milligrams, this amount equals 17.1 milligrams of mercury.

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In a period, the melting and boiling point first increases and then decreases. In a group of metals, it goes on decreasing in general but in non-metals it goes on increasing. There is no regular trend in melting and boiling points.

Sodium is a chemical element with atomic number and atomic mass 23, its is Na.  Its melting point is 370.87k, 97.728°C, 207.9°F.

Melting Point: The melting point of a substance is the temperature at which its solid and liquid phases are in balance. It is the energy require to breaking a few bonds. Thus, higher the stronger the bond between the atoms, the higher will be the melting point.

Boiling Point: The boiling point of a substance is the temperature at which its vapour pressure equals the external pressure. The boiling point depends on the heat energy required to create a transition from liquid to gaseous state.

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The melting and boiling points increase and then decrease over time. While it decreases across a group of metals, it continues to rise in non-metals. The melting and boiling points do not follow any predictable pattern.

The chemical symbol for sodium is Na, and it has an atomic weight of 23. It has a melting point of 370.87k, or 207.9°F, or 97.728°C.

Melting point:- The temperature at which a substance's solid and liquid phases are in equilibrium is known as its melting point. The energy needed to break a few bonds is this—therefore, the higher the melting point, the stronger the bond between the atoms.

Boiling point:- The boiling point of a substance is the temperature at which its vapor pressure equals the external pressure. The boiling end depends on the heat energy required to transition from liquid to gaseous state.

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Answer:

Most of the matter around us, however, consists of mixtures of pure substances. Air, wood, rocks and dirt are examples of such mixtures. Mixtures can be further classified as Homogeneous and Heterogeneous.

Answer:

you get one of their pizzas and then put more toppings on cheese on the pizza

Explanation:

Answer:

the ability to breed successfully

Explanation:

Answer:

the ability to breed successfully

Explanation:

the more offspring's an organism has, the less chance of extinction would happen. I hope that helped bestie

The number of hamburgers sold on Wednesday is 275.

Let's assume the number of hamburgers sold is x.

According to the given information, the number of cheeseburgers sold is 70 more than the number of hamburgers. So, the number of cheeseburgers sold can be expressed as x + 70.

The total number of hamburgers and cheeseburgers sold is given as 620, so we can set up the following equation:

x + (x + 70) = 620

Combining like terms, we get:

2x + 70 = 620

Subtracting 70 from both sides of the equation:

2x = 550

Dividing both sides by 2:

x = 275

Therefore, the number of hamburgers sold on Wednesday is 275.

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Answer:

Explanation:

What does it mean by are represented by is it like cells when things can a cell molecule?

The ion that has 26 protons, 28 neutrons, and 24 electrons is Iron (Fe) (option c).

An element can be determined by the number of protons in the nucleus of its atom. The number of protons present in an atom is referred to as the atomic number of the element.

This means that the number of protons in an atom is unique to a specific element.

Iron (Fe) has 26 protons in the nucleus of its atom.

Therefore, an ion with 26 protons is an ion of the element iron (Fe).

Magnesium (Mg) has 12 protons, Chromium (Cr) has 24 protons, Xenon (Xe) has 54 protons and Nickel (Ni) has 28 protons.

Thus, an ion which has 26 protons, 28 neutrons, and 24 electrons  is Fe (option c)

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Answer:

See explanation

Explanation:

If we look at the models, we will see that the three fluorine atoms in CF3COOH are attached to the carbon that is next to the -COOH group.

As a result of the electron withdrawing effect of the three fluorine atoms, CF3COOH  is much more acidic (104 times more acidic) than CH3COOH. This is reflected in the value of the Ka for each acid.

This electron withdrawing effect of the three fluorine atoms also stabilizes CF3COO- much more than CH3COO-.

Luster refers to the quality of light reflected from a mineral's surface. It is an important characteristic in the identification of minerals and is used to describe the appearance of a mineral in terms of its shine or gleam.

The luster of a mineral can range from metallic to dull, and can be described as vitreous (glassy), adamantine (diamond-like), pearly, silky, and others. The luster of a mineral depends on the way light interacts with the surface and internal structures of the mineral, and can provide clues about the mineral's composition and internal crystal structure. For example, metallic minerals typically have a high luster and reflect light like a mirror, while minerals with a dull or earthy luster typically have a more porous or rough surface. The luster of a mineral can also be influenced by its color, texture, and other physical properties.

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The number of grams of iron present in 14.79 cm length of the same iron rod is 640.51 g.

Ounces is a unit of mass which is used to define a very little amount of anything.

In the question, given that:

In one inch of iron rod whose weighs is 3.88 ounces = 2.54 cm long

In 1 g = 0.035273 ounces present

So we can calcuylate the number of grams in which 3.88 ounces present as:
x = (3.88 ounces) / (0.035273 ounces/g)

x = 110g

So, in 110g = 3.88 ounces present

And in 2.54 cm = 110g of iron present

In 14.79 cm, present grams of iron can be calculated as:

y = (14.79cm x 110g) / 2.54cm

y = 640.51 g

Hence option (c) is correct i.e. 640.51 g.

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The weight of the iron rod with 14.79 cm length with same density is given by: Option C; 640.51 g

Suppose that a finite amount of substance is there having its properties as:

Then, they are related as:

\(d = \dfrac{m}{v}\)

We know that:

Now, from the facts given in the problem, we have:

The weight of first iron rod which is one inches long = 3.88 ounces

The new rod is 14.79 cm long. And 1 cm = 0.3937 inches approx, thus the new rod is: \(14.79 \times 0.3937 \approx 5.8228 \: \rm inches\)

As for 1 inch long rod, there is  weight of 3.88 ounces, thus:

for 5.8228 inch rod, the weight of the rod would be \(5.8228 \times 3.88 \approx 22.5924 \: \rm ounces\)

And since 1 ounce = 28.3495 g approx

Thus, weight of the new rod in grams would be \(22.5924\times 28.3495 \approx 640.485 \approx 640.51\: \rm g\)

Thus, the weight of the iron rod with 14.79 cm length with same density is given by: Option C; 640.51 g

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The correct balanced reaction for the given cell diagram is option B:

2 Al(s) + 3 Cd²⁺(aq) → 2 Al³⁺(aq) + 3 Cd(s)

The balanced reaction for the given cell diagram can be determined by looking at the half-reactions occurring at each electrode. The cell diagram is written in the form:

Al(s) | Al³⁺(aq) || Cd²⁺(aq) | Cd(s)

The half-reaction at the anode (left side) is the oxidation half-reaction, and the half-reaction at the cathode (right side) is the reduction half-reaction.

From the cell diagram, we can identify the half-reactions as follows:

Anode (oxidation): Al(s) → Al³⁺(aq) + 3e⁻

Cathode (reduction): Cd²⁺(aq) + 2e⁻ → Cd(s)

To balance the number of electrons transferred in both half-reactions, we need to multiply the reduction half-reaction by 3 and the oxidation half-reaction by 2:

2 Al(s) → 2 Al³⁺(aq) + 6e⁻

3 Cd²⁺(aq) + 6e⁻ → 3 Cd(s)

Now, we can combine the balanced half-reactions to obtain the balanced overall reaction:

2 Al(s) + 3 Cd²⁺(aq) → 2 Al³⁺(aq) + 3 Cd(s)

Therefore, the correct balanced reaction for the given cell diagram is option B:

2 Al(s) + 3 Cd²⁺(aq) → 2 Al³⁺(aq) + 3 Cd(s)

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Answer:

a quarter of a teaspoon of sugar.

a cubic centimeter of water.

a paperclip.

a pen cap.

a thumbtack.

a pinch of salt.

a piece of gum.

the weight of any US bill.

a quarter of a teaspoon of sugar, a cubic centimeter of water, a paperclip, a pen cap are the objects weighs 1 centigram.

A centigram (cg) is  defined as the unit of weight/mass of the International System of Units (SI) which is the updated form of the metric system of measurement.

1 centigram is equal to 0.000022 pounds, it is a small unit of measurement which is relative to units of mass are used to measure  everyday objects.

For example, a person with 60 kilograms weight have 6,000,000 centigrams, means the mass in terms of kilograms is more convenient.

The values can be expressed easily by using unit which denote various multiples of 10, they can easily adjust the units to present data that reflects the desired magnitude.

A centigrams are not commonly used in grams and milligrams which are two units of mass that are used relatively frequently.

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When oil from a tin is poured through a funnel placed tightly into the neck of a bottle, the oil stays in the funnel because the air pressure inside the bottle prevents the oil from entering the bottle.

The force that air, whether compressed or unconfined, applies to whatever surface it comes into touch with is known as air pressure.

The air in the bottles exerts a force on the liquid that is to be poured inside it.

Since the air has no way of escaping, the oil cannot be poured into the bottle.

However, if a little space is allowed by the funnel for the air to escape, the liquid can then be poured into the bottle.

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Answer:

Examples of natural condensation polymers include cellulose, starch, and polypeptide chains of proteins. Several synthetic condensation polymers discussed include nylon, kevlar, polyester, Bakelite, Melamine, polycarbonates, polyurethanes, epoxies

Explanation:

The molarity of 7,756.4 milliliter solution containing 474.2 grams of sugar solution is approximately 0.339 M.

To calculate the molarity of a solution, you need to know the amount of solute (in moles) and the volume of the solution (in liters). In this case, the solute is sugar (\(C_6H_{12}O_6\)), and its mass is given as 474.2 grams.
First, convert the mass of sugar to moles using its molar mass. The molar mass of \(C_6H_{12}O_6\) is approximately 180.16 g/mol:
(6 carbon atoms * 12.01 g/mol) + (12 hydrogen atoms * 1.01 g/mol) + (6 oxygen atoms * 16.00 g/mol) = 180.16 g/mol
Now, convert the mass of sugar to moles:
474.2 g / 180.16 g/mol = 2.63 moles
Next, convert the volume of the solution from milliliters to liters:
7,756.4 mL * (1 L / 1,000 mL) = 7.7564 L
Finally, calculate the molarity of the solution using the moles of solute and the volume of the solution:
Molarity = moles of solute / volume of solution
Molarity = 2.63 moles / 7.7564 L
Molarity ≈ 0.339 M

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The molarity of the 7,756.4 milliliter solution containing 474.2 grams of sugar (C6H12O6) is 0.339 M.

To find the molarity of a solution, we need to use the formula:

Molarity (M) = moles of solute/liters of solution

First, we need to convert the given volume of the solution from milliliters to liters:

7,756.4 milliliters = 7.7564 liters

Next, we need to calculate the moles of sugar (C6H12O6) in the solution. We can use the formula:
moles = mass / molar mass

The molar mass of sugar (C6H12O6) is 180.16 g/mol (the sum of the atomic masses of all the atoms in one sugar molecule). Therefore, the moles of sugar in the solution are:
moles = 474.2 g / 180.16 g/mol
moles = 2.63 mol

Now we can plug in the values we have calculated into the formula for molarity:

Molarity (M) = moles of solute/liters of solution
Molarity (M) = 2.63 mol / 7.7564 L
Molarity (M) = 0.339 M

Therefore, the molarity of the 7,756.4 milliliter solution containing 474.2 grams of sugar (C6H12O6) is 0.339 M.

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Answer:

0.0411 kilometre

Explanation:

1 yard = 0.0009144

Answer:

0.0411 kilometre

hope it helps :)

Answer:

exothermic reaction

Explanation:

your welcome :)

The molarity of the solution containing 2.2 g of C6H8O7 in 74 mL of water is approximately 0.154 M.

To calculate the molarity of a solution, you need to determine the number of moles of solute and the volume of the solution in liters.

Given:

Mass of C6H8O7 = 2.2 g

Volume of water = 74 mL

Step 1: Convert the volume of water to liters.

74 mL = 74/1000 L = 0.074 L

Step 2: Calculate the number of moles of C6H8O7 using its molar mass.

The molar mass of C6H8O7 (citric acid) is:

6(12.01 g/mol) + 8(1.01 g/mol) + 7(16.00 g/mol) = 192.13 g/mol

Number of moles = mass/molar mass

Number of moles = 2.2 g / 192.13 g/mol

Step 3: Calculate the molarity using the number of moles and volume in liters.

Molarity (M) = moles of solute / volume of solution (in liters)

Molarity = (2.2 g / 192.13 g/mol) / 0.074 L

Now, let's calculate the molarity:

Molarity = 0.01141 mol / 0.074 L

Molarity ≈ 0.154 M

Therefore, the molarity of the solution containing 2.2 g of C6H8O7 in 74 mL of water is approximately 0.154 M.

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In one kilogram of steel, there are 212 grams of iron.

A metal alloy with an extremely high magnetic permeability is called permalloy steel. Because of this, the alloy can be used in a variety of situations where high magnetic permeability is necessary. Permalloy is a material that is easily magnetized and demagnetized and is used in places like recording studios and electricity generating plants. Companies that specialize in creating this metal alloy provide a variety of permalloy mixes, including bespoke alloys that can be created upon request for certain tasks.

Given that 21.2/100 g Fe is present in 1 gram, 1000 kg steel will contain (21.2/100)*1000 kg, or 212 grams.

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Answer:

C

Explanation: