Who did the ram caught in the thicket (Genesis 22:13) represent?

Answer:

0.877 mL

Explanation:

The box's density would be the ratio of the mass of the box and its volume
which is, (23.23/26.5) mL
or, 0.8766 mL
We must round this down to 3 significant figures,
which will be 0.877 mL

Answer:

The total pressure of a mixture of gases can be defined as the sum of the pressures of each individual gas: Ptotal=P1+P2+… +Pn. + P n . The partial pressure of an individual gas is equal to the total pressure multiplied by the mole fraction of that gas.

The new volume of a sample of gas that initially has a pressure of 3.2 atm and a volume of 345 ml is 120mL.

How to calculate volume?

The volume of a sample of gas can be calculated using the following formula:

P1V1 = P2V2

Where;

P1 = initial pressure

P2 = final pressure

V1 = initial volume

V2 = final volume

3.2 × 345 = 9.2 × V2

1104 = 9.2V2

V2 = 1104/9.2

V2 = 120

Therefore, the new volume of a sample of gas that initially has a pressure of 3.2 atm and a volume of 345 ml is 120mL.

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The number of electrons  you would expect to find in one atom of this element is 10.

The atomic number is the number of protons in the nucleus of an atom. The number of protons define the identity of an element (i.e., an element with 6 protons is a carbon atom, no matter how many neutrons may be present).

Since the atom is electrically neutral, the number of protons in the atom must be equal to the number of electrons in the atom.

For an atom represented as X10, with an atomic number of 10, the number of electrons in the atom is simply 10.

Thus, if  an element X appears on the periodic table as X10 22.076, the number of electrons  you would expect to find in one atom of this element is 10.

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Answer:

\(2.11\ * 10^{-2}\)  is the correct answer to the given question.

Explanation:

Given k=6.40 x 10-3 min-1.

According to the first order reaction .

The concentration of time can be written as

\([\ A\ ]\ = \ [\ A_{0}\ ] * e \ ^\ {-kt}\)

Here \([\ A\ ]_{0}\) = Initial concentration.

So  \([\ A\ ]_{0}= 0.0314 M\)

Putting this value into the above equation.

\(0.0314 \ *\ e^{6.40 x 10^{-3} \ * \ 62.0 }\)

=0.211 M

This can be written as

\(=\ 2.11 *\ 10^{-2}\)

The name of the three compounds are Disulfur Dichloride, Potassium nitrate and Ammonium bromide respectively.

1. The name of the first compound is Disulfur Dichloride.

Disulfur Dichloride is a type of inorganic compound comprise of sulfur and chlorine. There are also many other names which we can be used like sulfur monochloride, disulphur dichloride and sulphur monochloride. It is used to show C-S bonds.

2. The name of the second compound is Potassium nitrate.

Potassium nitrate is a compound that belong to the alkali metal nitrate. Potassium nitrate is also known as Indian saltpetre. The potassium nitrate is present in the nature but in the form of mineral. The potassium nitrate is used for making the explosives, matches, rocket fuel and fireworks.

3.The name of the third compound is Ammonium bromide.

Ammonium bromide is a type of compound that contains ammonium salt of hydrobromic acid. It can melt easy on providing heat. It is also soluble in water. It gives yellow colour. Ammonium bromide is the weak acid.

So we can conclude that the name of the three compounds are Disulfur Dichloride, Potassium nitrate and Ammonium bromide respectively.

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Answer

C. 36.02

Explanation

Given:

Moles of hydrogen that reacts = 2 mol

Moles of oxygen that reacts = 1 mol

What to find:

The mass of water formed when the moles of hydrogen and oxygen above react.

Solution:

The first step is to write a balanced chemical equation for the reaction to know the mole ratio of H to O

The mole ratio of hydrogen to water in the balanced equation is 2:2

The next step is to calculate the mole of water produced from the given moles of H and O using the mole ratio.

The final step is to convert the 2 moles of water produced to mass in grams using the molar mass of water and mole formula.

The molar mass of water = 18.01g/mol

Hence, the mass of water formed is 36.02 g.

The answer is C. 36.02

Answer:

C. aquifer

Explanation:

I just did a lesson on this

:)

The balanced chemical equation for the combustion of propane with oxygen is: C₃H₈ + 5O₂ → 3CO₂ + 4H₂O

To balance the equation, first balance the carbon atoms on both sides of the equation. There are three carbon atoms in the propane molecule and three in the carbon dioxide molecule, so balance the carbon atoms by putting a coefficient of 3 in front of the CO₂ molecule.

C3H8 + 5O2 → 3CO₂

Next, balance the hydrogen atoms. There are eight hydrogen atoms in the propane molecule and four in the water molecule, so balance the hydrogen atoms by putting a coefficient of 4 in front of the H₂O molecule.

C₃H₈ + 5O₂ → 3CO₂ + 4H₂O

Finally, balance the oxygen atoms. There are five oxygen atoms on the left side and 10 on the right side, so balance the oxygen atoms by putting a coefficient of 5 in front of the O₂ molecule.

Therefore, the correct whole number coefficient for propane, C3H8, is 1.

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its True

Yes, burning of wood is an example of oxidation-reduction reaction.

hope it helps

Answer:

Label 2

Explanation:

Earth is about 2/3 of the way up the Orion Arm of the Milky Way Galaxy

Answer:

melting

Explanation:

We frequently observe kids playing with polythene bags filled with water that have little holes drilled into them at various locations so they can sprinkle water on other kids. Through this experiment, we can say that pressure acts in all directions in liquids.

Since both liquids and gases may flow, they are both referred to as fluids. Fluids under rest pressure behave uniformly in all directions.

Weather forecasts can be made using barometers. They track the evolution of atmospheric pressure throughout time.

On weather forecast maps, pressure variations appear as an isobar pattern. Predictions are made using these changes in pressure, and they are fairly accurate when combined with wind observations.

As you go away from a liquid's surface, pressure rises. for instance: A bucket has three holes that are all the same size. Since there is more pressure at the bucket's bottom, the water spills out more forcefully. Dams are thicker at the bottom for this reason.

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The mass of the precipitate is 1.68 g

A chemical reaction is a reaction that occurs between two substances that leads to the emergence of a product. In this case, one of the products is a solid and we call it a precipitate.

The reaction equation is; \(2AgNO_{3} (aq) + K_{2} CrO_{4} (aq) ---- > AgCrO_{4}(s) + 2KNO_{3}(aq)\)

Number of moles of silver nitrate = 0.320 M  * 47.4/1000 L = 0.015 moles

Number of moles of potassium chromate = 0.300 M * 48.0/1000 L = 0.014 moles

Since 2 moles of silver nitrate reacts with 1 mole of potassium chromate

0.015 moles reacts with 0.015 moles  * 1 mole/ 2 moles

= 0.0075 moles

Hence, silver nitrate is the limiting reactant

If 2 moles of silver nitrate produces 1 mole of potassium chromate

0.015 moles of silver nitrate  produces 0.015 moles  * 1 mole /2 moles

= 0.0075 moles of potassium chromate

Mass of solid = 0.0075 moles  * 224 g/mol = 1.68 g

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Answer:

Most aren't able to take in carbon dioxide gas from the air or produce any oxygen.

Explanation:

science bro

Answer:

True if by rifting you mean continental rift. If not idk.

Answer:

2.4 × 10⁻⁴ M/s

Explanation:

Step 1: Given data

Step 2: Convert the time to seconds

We will use the relationship 1 min = 60 s.

\(1.5min \times \frac{60s}{1min} =90s\)

Step 3: Calculate the rate of the reaction

Since A is a reactant, we will calculate the rate of the reaction (r) using the following expression.

\(r=-\frac{\Delta [A]}{t} =-\frac{[A]-[A]_0}{t} =-\frac{0.032M-0.054M}{90s} =2.4 \times 10^{-4} M/s\)

When a 200°C iron bar is placed in thermal contact with a 30°C block of wood, energy leaves the iron bar and enters the wood until the temperatures are equal.

Law of conservation of energy states that the energy cannot be lost or formed but it can only be transformed from one form to another.

According to the given question, the block of wood is at a lower temperature than an iron bar. Hence, heat will flow from the iron bar to the block of wood until the temperatures of both are equal.

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Answer:

2311.2 cal

Explanation:

540 cal / g    *   4.28 g = 2311.2  cal

2311.2 cal heat is needed to change 4.28g of water to steam.

Heat is the transfer of kinetic energy from one medium or object to another, or from an energy source to a medium or object.

The heat of vaporization is defined as the amount of heat needed to turn 1g of a liquid into a vapour, without a rise in the temperature of the liquid.

The heat of vaporization is equal to the thermal energy required for vaporization divided by the mass of the substance that is vaporizing. Its formula is Hv = q/m.

Putting the values in the formula:

540 cal / g  x 4.28 g = 2311.2  cal

Hence,  2311.2 cal heat is needed to change 4.28g of water to steam.

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Weathering changes the chemical and physical nature of an element that is why it is often difficult to identify a highly weathered mineral.

The breakdown and alteration of rocks and minerals at or near the Earth's surface as a result of exposure to various weathering agents, such as water, wind and temperature changes is known as weathering.

Minerals can undergo physical changes as a result of weathering, such as being broken up into smaller pieces or having their color and texture altered. Additionally, it may result in chemical alterations such as the removal or addition of specific chemical components.

This may lead to the creation of brand-new minerals or the modification of already existing minerals into new ones.  Highly weathered minerals might not still possess the same physical and chemical characteristics as their unweathered counterparts.

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Answer:

2 moles of NO

Explanation:

Our reaction is:

4NH₃ + 5O₂  →   6H₂O  +  4NO  

4 moles of ammonia react to 5 moles of oxygen in order to produce 6 moles of water and 4 moles of NO

We need to determine the limiting reactant:

Ratio is 4:5, As 4 moles of ammonia react to 5 moles of oxygen and we have 4 moles, we definetely need 5 moles, but the problem is, we only have 2.5 moles of O₂. Oxygen is the limting reagent.

5 moles of O₂ produce 4 moles of NO, according to stoichiometry

2.5 moles of O₂ may produce (2.5 . 4) / 5 = 2 moles of NO

Potassium + sodium oxide → sodium + potassium oxide

This is because Potassium is higher on the reactivity list than Sodium therefore displaces it.

Please like.

Answer:

Molarity of sucrose = 0.116 M (Approx.)

Explanation:

Given:

Volume of solution = 0.5 liter

Mass of sucrose in gram = 20 gram

Molar mass of sucrose 342.3 g/mol

Find:

Molarity of sucrose

Computation:

Mole of sucrose = Mass of sucrose in gram / Molar mass of sucrose

Mole of sucrose = 20 / 342.3

Mole of sucrose = 0.058 (Approx.)

Molarity of sucrose = Mole of sucrose / Volume of solution

Molarity of sucrose = 0.058 / 0.5

Molarity of sucrose = 0.116 M (Approx.)

Answer:

It is called the Random Walk, where the next move (as seen through the motion of gas particles) depends on chance.

Explanation:

The volume of solution needed if I need to make 2.5 L of a 0.2 M fruit drink solution from the 0.7 M drink solution is 0.714L.

The concentration of a solution can be calculated using the following formula;

McVc = MdVd

According to this question, one needed to make 2.5 L of a 0.2 M fruit drink solution from the 0.7 M drink solution. The final volume needed is as follows:

2.5 × 0.2 = 0.7 × V

0.5 = 0.7V

V = 0.714L

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Answer:

NO I DON'T ✌✌✌✌✌✌✌✌✌

Answer:

A) type of food.

According to the  stoichiometry and the given balanced chemical equation 89.22 g of barium chloride are needed to make 100 grams of barium sulfate.

Stoichiometry is the determination of proportions of elements or compounds in a chemical reaction. The related relations are based on law of conservation of mass and law of combining weights and volumes.

Stoichiometry is used in quantitative analysis for measuring concentrations of substances present in the sample.

In the given chemical equation, 208.23 g of barium chloride produces 233.38 g of barium sulfate ,so for 100 g of barium sulfate 208.23×100/233.38 =89.22 g of barium chloride is required.

Thus, 89.22 g of barium chloride are needed to make 100 grams of barium sulfate.

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The property X is an extrinsic property.

The term extensive property refers to the type of property that depends on the amount of the substance present. We must recall that an intensive property does not in any way depend on the number or the amount of the substance present in the sample.

If we have a good look at the table that is being referred to here, we would see that the mass of the substance tends to increase as a certain un named property of the substance X is increasing. This implies that the property X is affected by the mass of the object which is the quantity of matter in the object. This gives us an idea that the property that we are referring to can not be an intrinsic  property since it varies with the mass of the substance that is under study as shown.

We can then conclude that the property X is an extrinsic property.

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Missing parts;

Carrie measured mass and another property, X, of three pure samples of the same compound. She recorded her data in the table. Which of the following best describes property X?

A. X  is an intensive property because it does not vary with the size of the sample.

B. X is an extensive property because it does not vary with the size of the sample.

C. X is an extensive property because it varies directly with the size of the sample.

D. X is an intensive property because it varies directly with the size of the sample.

The given reaction releases 906 kJ of heat energy when 4 moles of ammonia react.

So, the amount of heat energy released when 1 mole of ammonia reacts is:

906 kJ ÷ 4 mol = 226.5 kJ/mol

To produce 453 kJ of heat energy, we can use the following proportion:

226.5 kJ/mol = 453 kJ/x

where x is the number of moles of ammonia required.

Solving for x, we get:

x = (453 kJ × 4 mol) ÷ 906 kJ

x ≈ 2 mol

Therefore, 2 moles of ammonia must react to produce 453 kJ of heat energy.

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The given reaction releases 906 kJ of heat energy when 4 moles of ammonia react.

So, the amount of heat energy released when 1 mole of ammonia reacts is:

906 kJ ÷ 4 mol = 226.5 kJ/mol

To produce 453 kJ of heat energy, we can use the following proportion:

226.5 kJ/mol = 453 kJ/x

where x is the number of moles of ammonia required.

Solving for x, we get:

x = (453 kJ × 4 mol) ÷ 906 kJ

x ≈ 2 mol

Therefore, 2 moles of ammonia must react to produce 453 kJ of heat energy.

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