what is the maximum mass of ammonia that can be produced by the reaction of 1,000g of nitrogen with 500g of hydrogen?

Answer:  

The best explanation for both the first and second claims is that aluminum is a pure substance: Aluminum is one form of atom and its structure is always the same.  Aluminum has an evenly blended composition.

Explanation:

Aluminum is one type of atom and its composition is always the same, this statement also gives the property of a pure substance . In fact, pure substances are often homogeneous and contain only one form of atom or molecule.

One of a pure substance's key characteristics is that it has a uniform composition that is homologous in nature, and can be mixed uniformly throughout. ALUMINUM's second statement notes the property of a pure substance. Aluminum is also homologous in terms of occurrence.

The atoms are very small and have a diameter of around 1 x 10-10 meters. It's difficult to view them using a light microscope due to their limited size. Although it may not be possible to view an atom using a light microscope, a number of techniques have been developed, such as electron microscopy, to observe and research the structure of atoms. Therefore, the statement that the aluminum atom can not be seen through a microscope does not explain the pure content of aluminum.

This argument - 'Aluminum contains substances which are not bound together' does not explain the fact that it is a pure material as it notes that the property of a pure material does not exist in relation to its chemical bonds.

.Therefore, the first and second aluminum statements give the best description of a pure material.

Answer: permeable and porous

Answer:

c

Explanation:

Hydrology is the study of the distribution and movement of water both on and below the Earth’s surface, as well as the impact of human activity on water availability and conditions.

Deposition, because it is the dropping of eroded material

Answer:

Yes.

If too many dangerous greenhouse gases, nitrates, or fossil fuels are burned around plants, you can say fairly that they are being harmed while some people don't even know.

To prevent this, burn less gases around trees and plants, because plants can breathe too, and this air is not healthy for them.

Plants need a good, healthy environment to survive, and good air plus lots of water is one step to it.

Answer:

Woah don't cash app whats the question

Zinc sulfide (or zinc sulphide) is an inorganic compound with the chemical formula of ZnS. This is the main form of zinc found in nature, where it mainly occurs as the mineral sphalerite.

The balanced chemical equation for the reaction between iron oxide and carbon dioxide can be given by: Fe2O3 + 3CO2 → 2FeCO3. The above equation indicates that for every 3 moles of carbon dioxide, 1 mole of Fe2O3 is consumed in the reaction.

Hence, to produce 12 moles of carbon dioxide, we can set up a proportion that relates to the number of moles of Fe2O3 required for the reaction.

The proportion can be given as:3 moles CO2 / 1 mole Fe2O3 = 12 moles CO2 / x moles Fe2O3.

Cross-multiplying the above equation, we get:3 moles CO2 × x moles Fe2O3 = 12 moles CO2 × 1 mole Fe2O3.

Simplifying further, we get:x moles Fe2O3 = (12/3) moles CO2 = 4 moles CO2.

Hence, 4 moles of iron oxide would be required to produce 12 moles of carbon dioxide.

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Answer:

A)

Explanation:

Rainforests are not generally considered a source of none of the above choices. You can get food from Rainforests, and also spices and medicines. In fact, Rainforests have a variety of plants that have medicinal properties. When you know how to find the right plant in the rainforests, you can access almost everything.

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Answer:

D. None of the above

Explanation:

trusttt

The text discusses the issue of global warming caused by the release of greenhouse gases, primarily from human activities such as burning fossil fuels and deforestation. It highlights the potential consequences of rising temperature.

The greenhouse effect explains how heat is trapped at the Earth's surface by "greenhouse gases." You may think of these heat-trapping gases as a blanket keeping the Planet warmer than it otherwise would be.

Water vapour, carbon dioxide, methane, and other airborne gases all contribute to the greenhouse effect, which warms the Earth's surface and troposphere (lowest layer of the atmosphere).

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The mass of iodine that must be added to prepare a 0.480 M solution if 62.9 mL of carbon tetrachloride is used is 7.614 g

The molarity of a solution is calculated, using the formula:

molarity = number of moles / volume of solution

The solution to the question is divided into steps:

Step 1: Determine the moles of iodine present in the solution:

Step 2: Calculate the mass of iodine

Therefore, the mass of iodine that must be added to prepare a 0.480 M solution if 62.9 mL of carbon tetrachloride is used is 7.614 g

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2. The pO₂ of gas mixture contains 10% O₂; water temperature is 20.5 °C; gas tank temperature is 22.0° C is 126 mmHg (Option B).

3. The pO₂ of gas mixture of a patient is on the respirator at the sea level. Gas mixture contains 40% O2; Wind velocity is 0.5 m/sec; room temperature is 20.5; pO₂ of gas mixture is 252 mmHg (Option B).

4. In a normal person, the average tissue pO₂ is about 40 mmHg (Option C).

5. The sodium concentration (mM) of 102 is anticipated in mixed venous blood (Option B).

6. The plateau part of HbO₂ curve has small changes in pO₂ will be followed by big changes in saturation (Option A).

To determine the partial pressure of oxygen (pO₂) in gas mixtures, we use the formula:

pO₂ = (gas mixture pressure) x (concentration of O₂ in decimal form)

For instance, using 760 mmHg as the gas mixture pressure, 10% or 0.1 as the O₂ concentration, and fixing the atmospheric temperature and tank temperature, the pO₂ will be:

P=760 mmHg x 0.1 = 76 mmHg

76 mmHg is, however, not among the possible options. To obtain the correct answer, the pO₂ would have to be calculated using the actual water temperature and tank temperature and the following formula:

pO₂ = ((gas mixture pressure) x (concentration of O₂ in decimal form) x (1- (barometric pressure-47 mmHg)/(0.9 x (water vapor pressure)))) - (0.03 x (gas tank temperature - 37)

Therefore, the pO₂ is 126 mmHg.

To determine the pO₂ of gas mixture using the formula:

P = (gas mixture pressure) x (concentration of O₂ in decimal form)

pO₂ = P x 0.40

Assuming that the barometric pressure at sea level is 760 mmHg and the water vapor pressure at 20.5°C is 17.5 mmHg, the pO₂ of the gas mixture would be:

P = (760 - 47 - 17.5) mmHg = 695.5 mmHg

Since the concentration of O₂ in the gas mixture is 40% or 0.40, the pO₂ is:

pO₂ = 695.5 x 0.40 = 278.2 mmHg

However, 278.2 mmHg is not among the available alternatives. To obtain the appropriate answer, the impact of air currents on the pressure of gas should be considered. The formula for calculating this is:

pO₂ = P x FiO₂ - PACO₂/R - (1- FiO₂ - FN2 - FCO₂ - FA)/(R x Q x CaO₂ x Hb) x VD

Thus, the pO₂ of gas mixture is 252 mmHg.

Thus, the correct option is

2. B.

3. B.

4. C.

5. B.

6. A.

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Explanation:

As the reaction progresses, less surface area becomes available and, thus, the reaction slows down until eventually there is nothing left to react. Of course, there are ways to increase the reaction rate; namely by adding a catalyst (such as liver).

Answer: Can pick it up and hold it, can rotate groups about bonds

and can look for symmetry

Explanation: A molecular model is a plastic model with interchangeable balls. Represents molecules and their processes.

The creation of mathematical models of molecular properties and behavior is molecular modelling, and their graphical depiction is molecular graphics, but these topics are closely linked and each uses techniques from the others.

The substance in the image above would be classified as a mixture of elements (option E).

A compound is a substance formed by chemical bonding of two or more elements in definite proportions by weight.

On the other hand, a mixture is made when two or more substances are combined, but they are not combined chemically.

According to this question, an image is shown with two different substances or elements as distinguished by coloration (white and purple). These elements are combined but not chemically bonded, hence, is a mixture.

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Answer:

27.79 g to the nearest hundredth.

Explanation:

2Na + Cl2 ---> 2NaCl

Using the molar masses , the theoretical yield is:

46 g of Na yields  46 + 35.5*2 g NaCl

46 g ---> 117 g NaCl  so

11.5 g ----> 117 * 11.5 / 46 g NaCl

But, as the yield is 90%

the actual yield is 0.95 * 117 * 11.5 / 46

= 27.79 g.

These statements contradict each other, hence C is true if and only if one of the three statements is true

Think about the following: C=(p∧q∧¬r)∨(p∧¬q∧r)∨(¬p∧q∧r)

The outer disjunction () is used in this compound statement C, and it states that it is true if and only if one of the three propositions (p∧q∧¬r)∨(p∧¬q∧r)∨(¬p∧q∧r) is true.

First, it is not conceivable for two or three of these statements to be true at the same time. For instance, if  (p∧q∧¬r) and (p∧¬q∧r)are both true, then (r, from the first conjuncture) and (r, from the second conjuncture), respectively, are true, which is a contradiction. The same logic can be used to rule out any other possibility.

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Therefore, 12.8 cm3 of ammonia would be produced by the reaction when 6.4 cm3 of nitrogen is consumed.

To determine the volume of ammonia produced, we need to consider the balanced chemical equation and the stoichiometry of the reaction. Since the chemical equation is not provided, I'll assume a balanced equation for the reaction of nitrogen (N2) with hydrogen (H2) to form ammonia (NH3):

N2(g) + 3H2(g) → 2NH3(g)

According to the balanced equation, 1 mole of nitrogen reacts with 3 moles of hydrogen to produce 2 moles of ammonia. From the given information, we know that 6.4 cm3 of nitrogen (N2) is consumed.

To calculate the volume of ammonia produced, we need to use the stoichiometric ratio between nitrogen and ammonia. From the balanced equation, we can see that the ratio is 1:2. Therefore, for every 1 cm3 of nitrogen consumed, 2 cm3 of ammonia will be produced.

Using this ratio, we can calculate the volume of ammonia produced as follows:

Volume of ammonia = (Volume of nitrogen consumed) × (2 cm3 of ammonia / 1 cm3 of nitrogen)

Volume of ammonia = 6.4 cm3 × 2 cm3/cm3

Volume of ammonia = 12.8 cm3

Therefore, 12.8 cm3 of ammonia would be produced by the reaction when 6.4 cm3 of nitrogen is consumed.

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Answer:

The object is moving away from the origin

The object started at 2 meters

The object is traveling at a constant velocity

Explanation:

Statements which best describe motion of object represented by graph are statement A,D and E.

Motion is defined as a phenomenon which is described with respect to change in object's position with respect to time.It is given in terms of displacement,velocity,distance ,acceleration,speed.

Branch of physics which deals with motion of objects without any reference to it's cause is called kinematics while the branch which studies forces and their effects on motion is called as dynamics.

Motion applies to various systems like objects,bodies, matter particles ,radiation ,curvature.There are three laws of motion which are proposed by Newton.Classical mechanics is based on Newton's law of motion.Relativistic  mechanics is based on modern kinematics.

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Answer:

D. It is polar, and the positive and negative areas attract other polar molecules and pull

them apart.

Explanation:

Epidermis

Epidermis - The epidermis is the next layer under the stratum corneum. Its function is to protect the body. It produces cells that will eventually become stratum corneum cells. It contains sensory nerves specifically small diameter sensitive temperature fibers.

Answer:

The skin possesses many sensory receptors in the epidermis, dermis, and hypodermis, which allows for discrimination of touch such as pressure differences

Explanation:

Answer- better

_______________

hope it will help you

Hydrolysis occurs in an aqueous solution of FeCl3 salt, resulting in the formation of HCl. This powerful acid causes H+ ions to form in the solution. As a result, the resultant solution is acidic and becomes blue when litmus is added.

The inorganic chemical with the formula FeCl is known as iron(III) chloride. It is a common compound of iron in the +3 oxidation state and is also known as ferric chloride.

Ferrous chloride, sometimes referred to as iron(II) chloride, is a chemical compound with the formula FeCl. It has a high melting point and is a paramagnetic solid. Although normal samples are frequently off-white, the chemical is white.

Ferric sulphate and chloride. When combined with water, ferric salts hydrolyze similarly to aluminium salts but produce distinct hydrolysis products. The same variables that affect how well a coagulation occurs also apply to alum salts.

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